Entropy can be supplied by user

[perso/Immae/Projets/Cryptomonnaies/BIP39.git] / tests.js

// Usage:
// $ phantomjs tests.js


var page = require('webpage').create();
var url = 'src/index.html';
var testMaxTime = 5000;

page.onResourceError = function(e) {
    console.log("Error loading " + e.url);
    phantom.exit();
}

function fail() {
    console.log("Failed");
    phantom.exit();
}

function waitForGenerate(fn, maxTime) {
    if (!maxTime) {
        maxTime = testMaxTime;
    }
    var start = new Date().getTime();
    var prevAddressCount = -1;
    var wait = function keepWaiting() {
        var now = new Date().getTime();
        var hasTimedOut = now - start > maxTime;
        var addressCount = page.evaluate(function() {
            return $(".address").length;
        });
        var hasFinished = addressCount > 0 && addressCount == prevAddressCount;
        prevAddressCount = addressCount;
        if (hasFinished) {
            fn();
        }
        else if (hasTimedOut) {
            console.log("Test timed out");
            fn();
        }
        else {
            setTimeout(keepWaiting, 100);
        }
    }
    wait();
}

function waitForFeedback(fn, maxTime) {
    if (!maxTime) {
        maxTime = testMaxTime;
    }
    var start = new Date().getTime();
    var wait = function keepWaiting() {
        var now = new Date().getTime();
        var hasTimedOut = now - start > maxTime;
        if (hasTimedOut) {
            console.log("Test timed out");
            fn();
            return;
        }
        var feedback = page.evaluate(function() {
            var feedback = $(".feedback");
            if (feedback.css("display") == "none") {
                return "";
            }
            return feedback.text();
        });
        var hasFinished = feedback.length > 0 && feedback != "Calculating...";
        if (hasFinished) {
            fn();
        }
        else {
            setTimeout(keepWaiting, 100);
        }
    }
    wait();
}

function next() {
    if (tests.length > 0) {
        var testsStr = tests.length == 1 ? "test" : "tests";
        console.log(tests.length + " " + testsStr + " remaining");
        tests.shift()();
    }
    else {
        console.log("Finished with 0 failures");
        phantom.exit();
    }
}

/**
 * Randomize array element order in-place.
 * Using Durstenfeld shuffle algorithm.
 * See http://stackoverflow.com/a/12646864
 */
function shuffle(array) {
    for (var i = array.length - 1; i > 0; i--) {
        var j = Math.floor(Math.random() * (i + 1));
        var temp = array[i];
        array[i] = array[j];
        array[j] = temp;
    }
    return array;
}

tests = [

// Page loads with status of 'success'
function() {
page.open(url, function(status) {
    if (status != "success") {
        console.log("Page did not load with status 'success'");
        fail();
    }
    next();
});
},

// Page has text
function() {
page.open(url, function(status) {
    var content = page.evaluate(function() {
        return document.body.textContent.trim();
    });
    if (!content) {
        console.log("Page does not have text");
        fail();
    }
    next();
});
},

// Entering mnemonic generates addresses
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    // get the address
    waitForGenerate(function() {
        var addressCount = page.evaluate(function() {
            return $(".address").length;
        });
        if (addressCount != 20) {
            console.log("Mnemonic did not generate addresses");
            console.log("Expected: " + expected);
            console.log("Got: " + actual);
            fail();
        }
        next();
    });
});
},

// Random button generates random mnemonic
function() {
page.open(url, function(status) {
    // check initial phrase is empty
    var phrase = page.evaluate(function() {
        return $(".phrase").text();
    });
    if (phrase != "") {
        console.log("Initial phrase is not blank");
        fail();
    }
    // press the 'generate' button
    page.evaluate(function() {
        $(".generate").click();
    });
    // get the new phrase
    waitForGenerate(function() {
        var phrase = page.evaluate(function() {
            return $(".phrase").val();
        });
        if (phrase.length <= 0) {
            console.log("Phrase not generated by pressing button");
            fail();
        }
        next();
    });
});
},

// Mnemonic length can be customized
function() {
page.open(url, function(status) {
    // set the length to 6
    var expectedLength = "6";
    page.evaluate(function() {
        $(".strength option[selected]").removeAttr("selected");
        $(".strength option[value=6]").prop("selected", true);
    });
    // press the 'generate' button
    page.evaluate(function() {
        $(".generate").click();
    });
    // check the new phrase is six words long
    waitForGenerate(function() {
        var actualLength = page.evaluate(function() {
            var words = $(".phrase").val().split(" ");
            return words.length;
        });
        if (actualLength != expectedLength) {
            console.log("Phrase not generated with correct length");
            console.log("Expected: " + expectedLength);
            console.log("Actual: " + actualLength);
            fail();
        }
        next();
    });
});
},

// Passphrase can be set
function() {
page.open(url, function(status) {
    // set the phrase and passphrase
    var expected = "15pJzUWPGzR7avffV9nY5by4PSgSKG9rba";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".passphrase").val("secure_passphrase").trigger("input");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Passphrase results in wrong address");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to bitcoin testnet
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "mucaU5iiDaJDb69BHLeDv8JFfGiyg2nJKi";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=1]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Bitcoin testnet address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to litecoin
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "LQ4XU8RX2ULPmPq9FcUHdVmPVchP9nwXdn";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=2]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Litecoin address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to dogecoin
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "DPQH2AtuzkVSG6ovjKk4jbUmZ6iXLpgbJA";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=3]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Dogecoin address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to shadowcash
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "SiSZtfYAXEFvMm3XM8hmtkGDyViRwErtCG";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=4]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Shadowcash address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to shadowcash testnet
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "tM2EDpVKaTiEg2NZg3yKg8eqjLr55BErHe";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=5]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Shadowcash testnet address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to viacoin
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "Vq9Eq4N5SQnjqZvxtxzo7hZPW5XnyJsmXT";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=6]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Viacoin address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to viacoin testnet
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "tM2EDpVKaTiEg2NZg3yKg8eqjLr55BErHe";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=7]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Viacoin testnet address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to jumbucks
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "JLEXccwDXADK4RxBPkRez7mqsHVoJBEUew";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=8]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Jumbucks address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to clam
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "xCp4sakjVx4pUAZ6cBCtuin8Ddb6U1sk9y";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=9]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("CLAM address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to dash
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "XdbhtMuGsPSkE6bPdNTHoFSszQKmK4S5LT";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=10]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("DASH address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to namecoin
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "Mw2vK2Bvex1yYtYF6sfbEg2YGoUc98YUD2";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=11]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Namecoin address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Network can be set to peercoin
function() {
page.open(url, function(status) {
    // set the phrase and coin
    var expected = "PVAiioTaK2eDHSEo3tppT9AVdBYqxRTBAm";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
        $(".network option[selected]").removeAttr("selected");
        $(".network option[value=12]").prop("selected", true);
        $(".network").trigger("change");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Peercoin address is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// BIP39 seed is set from phrase
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "20da140d3dd1df8713cefcc4d54ce0e445b4151027a1ab567b832f6da5fcc5afc1c3a3f199ab78b8e0ab4652efd7f414ac2c9a3b81bceb879a70f377aa0a58f3";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".seed").val();
        });
        if (actual != expected) {
            console.log("BIP39 seed is incorrectly generated from mnemonic");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// BIP32 root key is set from phrase
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "xprv9s21ZrQH143K2jkGDCeTLgRewT9F2pH5JZs2zDmmjXes34geVnFiuNa8KTvY5WoYvdn4Ag6oYRoB6cXtc43NgJAEqDXf51xPm6fhiMCKwpi";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // check the address is generated correctly
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".root-key").val();
        });
        if (actual != expected) {
            console.log("Root key is incorrectly generated from mnemonic");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Tabs show correct addresses when changed
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "17uQ7s2izWPwBmEVFikTmZUjbBKWYdJchz";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // change tabs
    waitForGenerate(function() {
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        // check the address is generated correctly
        waitForGenerate(function() {
            var actual = page.evaluate(function() {
                return $(".address:first").text();
            });
            if (actual != expected) {
                console.log("Clicking tab generates incorrect address");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// BIP44 derivation path is shown
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "m/44'/0'/0'/0";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // check the derivation path of the first address
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $("#bip44 .path").val();
        });
        if (actual != expected) {
            console.log("BIP44 derivation path is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// BIP44 extended private key is shown
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "xprvA2DxxvPZcyRvYgZMGS53nadR32mVDeCyqQYyFhrCVbJNjPoxMeVf7QT5g7mQASbTf9Kp4cryvcXnu2qurjWKcrdsr91jXymdCDNxKgLFKJG";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // check the BIP44 extended private key
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".extended-priv-key").val();
        });
        if (actual != expected) {
            console.log("BIP44 extended private key is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// BIP44 extended public key is shown
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "xpub6FDKNRvTTLzDmAdpNTc49ia9b4byd6vqCdUa46Fp3vqMcC96uBoufCmZXQLiN5AK3iSCJMhf9gT2sxkpyaPepRuA7W3MujV5tGmF5VfbueM";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // check the BIP44 extended public key
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".extended-pub-key").val();
        });
        if (actual != expected) {
            console.log("BIP44 extended public key is incorrect");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// BIP44 purpose field changes address list
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "1JbDzRJ2cDT8aat2xwKd6Pb2zzavow5MhF";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // change the bip44 purpose field to 45
        page.evaluate(function() {
            $("#bip44 .purpose").val("45");
            $("#bip44 .purpose").trigger("input");
        });
        waitForGenerate(function() {
            // check the address for the new derivation path
            var actual = page.evaluate(function() {
                return $(".address:first").text();
            });
            if (actual != expected) {
                console.log("BIP44 purpose field generates incorrect address");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// BIP44 coin field changes address list
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "1F6dB2djQYrxoyfZZmfr6D5voH8GkJTghk";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // change the bip44 purpose field to 45
        page.evaluate(function() {
            $("#bip44 .coin").val("1");
            $("#bip44 .coin").trigger("input");
        });
        waitForGenerate(function() {
            // check the address for the new derivation path
            var actual = page.evaluate(function() {
                return $(".address:first").text();
            });
            if (actual != expected) {
                console.log("BIP44 coin field generates incorrect address");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// BIP44 account field changes address list
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "1Nq2Wmu726XHCuGhctEtGmhxo3wzk5wZ1H";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // change the bip44 purpose field to 45
        page.evaluate(function() {
            $("#bip44 .account").val("1");
            $("#bip44 .account").trigger("input");
        });
        waitForGenerate(function() {
            // check the address for the new derivation path
            var actual = page.evaluate(function() {
                return $(".address:first").text();
            });
            if (actual != expected) {
                console.log("BIP44 account field generates incorrect address");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// BIP44 change field changes address list
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "1KAGfWgqfVbSSXY56fNQ7YnhyKuoskHtYo";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // change the bip44 purpose field to 45
        page.evaluate(function() {
            $("#bip44 .change").val("1");
            $("#bip44 .change").trigger("input");
        });
        waitForGenerate(function() {
            // check the address for the new derivation path
            var actual = page.evaluate(function() {
                return $(".address:first").text();
            });
            if (actual != expected) {
                console.log("BIP44 change field generates incorrect address");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// BIP32 derivation path can be set
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "16pYQQdLD1hH4hwTGLXBaZ9Teboi1AGL8L";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // change tabs
    waitForGenerate(function() {
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        // set the derivation path to m/1
        waitForGenerate(function() {
            page.evaluate(function() {
                $("#bip32 .path").val("m/1");
                $("#bip32 .path").trigger("input");
            });
            // check the address is generated correctly
            waitForGenerate(function() {
                var actual = page.evaluate(function() {
                    return $(".address:first").text();
                });
                if (actual != expected) {
                    console.log("Custom BIP32 path generates incorrect address");
                    console.log("Expected: " + expected);
                    console.log("Actual: " + actual);
                    fail();
                }
                next();
            });
        });
    });
});
},

// BIP32 can use hardened derivation paths
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "14aXZeprXAE3UUKQc4ihvwBvww2LuEoHo4";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // change tabs
    waitForGenerate(function() {
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        // set the derivation path to m/0'
        waitForGenerate(function() {
            page.evaluate(function() {
                $("#bip32 .path").val("m/0'");
                $("#bip32 .path").trigger("input");
            });
            // check the address is generated correctly
            waitForGenerate(function() {
                var actual = page.evaluate(function() {
                    return $(".address:first").text();
                });
                if (actual != expected) {
                    console.log("Hardened BIP32 path generates incorrect address");
                    console.log("Expected: " + expected);
                    console.log("Actual: " + actual);
                    fail();
                }
                next();
            });
        });
    });
});
},

// BIP32 extended private key is shown
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "xprv9va99uTVE5aLiutUVLTyfxfe8v8aaXjSQ1XxZbK6SezYVuikA9MnjQVTA8rQHpNA5LKvyQBpLiHbBQiiccKiBDs7eRmBogsvq3THFeLHYbe";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // change tabs
    waitForGenerate(function() {
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        // check the extended private key is generated correctly
        waitForGenerate(function() {
            var actual = page.evaluate(function() {
                return $(".extended-priv-key").val();
            });
            if (actual != expected) {
                console.log("BIP32 extended private key is incorrect");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// BIP32 extended public key is shown
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "xpub69ZVZQzP4T8dwPxwbMzz36cNgwy4yzTHmETZMyihzzXXNi3thgg3HCow1RtY252wdw5rS8369xKnraN5Q93y3FkFfJp2XEHWUrkyXsjS93P";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // change tabs
    waitForGenerate(function() {
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        // check the extended public key is generated correctly
        waitForGenerate(function() {
            var actual = page.evaluate(function() {
                return $(".extended-pub-key").val();
            });
            if (actual != expected) {
                console.log("BIP32 extended public key is incorrect");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// Derivation path is shown in table
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "m/44'/0'/0'/0/0";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // check for derivation path in table
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".index:first").text();
        });
        if (actual != expected) {
            console.log("Derivation path shown incorrectly in table");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Derivation path for address can be hardened
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "18exLzUv7kfpiXRzmCjFDoC9qwNLFyvwyd";
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    // change tabs
    waitForGenerate(function() {
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        waitForGenerate(function() {
            // select the hardened addresses option
            page.evaluate(function() {
                $(".hardened-addresses").prop("checked", true);
                $(".hardened-addresses").trigger("change");
            });
            waitForGenerate(function() {
                // check the generated address is hardened
                var actual = page.evaluate(function() {
                    return $(".address:first").text();
                });
                if (actual != expected) {
                    console.log("Hardened address is incorrect");
                    console.log("Expected: " + expected);
                    console.log("Actual: " + actual);
                    fail();
                }
                next();
            });
        });
    });
});
},

// Derivation path visibility can be toggled
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // toggle path visibility
        page.evaluate(function() {
            $(".index-toggle").click();
        });
        // check the path is not visible
        var isInvisible = page.evaluate(function() {
            return $(".index:first span").hasClass("invisible");
        });
        if (!isInvisible) {
            console.log("Toggled derivation path is visible");
            fail();
        }
        next();
    });
});
},

// Address is shown
function() {
page.open(url, function(status) {
    var expected = "1Di3Vp7tBWtyQaDABLAjfWtF6V7hYKJtug";
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    // get the address
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Address is not shown");
            console.log("Expected: " + expected);
            console.log("Got: " + actual);
            fail();
        }
        next();
    });
});
},

// Addresses are shown in order of derivation path
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    // get the derivation paths
    waitForGenerate(function() {
        var paths = page.evaluate(function() {
            return $(".index").map(function(i, e) {
                return $(e).text();
            });
        });
        if (paths.length != 20) {
            console.log("Total paths is less than expected: " + paths.length);
            fail();
        }
        for (var i=0; i<paths.length; i++) {
            var expected = "m/44'/0'/0'/0/" + i;
            var actual = paths[i];
            if (actual != expected) {
                console.log("Path " + i + " is incorrect");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
        }
        next();
    });
});
},

// Address visibility can be toggled
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // toggle address visibility
        page.evaluate(function() {
            $(".address-toggle").click();
        });
        // check the address is not visible
        var isInvisible = page.evaluate(function() {
            return $(".address:first span").hasClass("invisible");
        });
        if (!isInvisible) {
            console.log("Toggled address is visible");
            fail();
        }
        next();
    });
});
},

// Public key is shown
function() {
page.open(url, function(status) {
    var expected = "033f5aed5f6cfbafaf223188095b5980814897295f723815fea5d3f4b648d0d0b3";
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    // get the address
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".pubkey:first").text();
        });
        if (actual != expected) {
            console.log("Public key is not shown");
            console.log("Expected: " + expected);
            console.log("Got: " + actual);
            fail();
        }
        next();
    });
});
},

// Public key visibility can be toggled
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // toggle public key visibility
        page.evaluate(function() {
            $(".public-key-toggle").click();
        });
        // check the public key is not visible
        var isInvisible = page.evaluate(function() {
            return $(".pubkey:first span").hasClass("invisible");
        });
        if (!isInvisible) {
            console.log("Toggled public key is visible");
            fail();
        }
        next();
    });
});
},

// Private key is shown
function() {
page.open(url, function(status) {
    var expected = "L26cVSpWFkJ6aQkPkKmTzLqTdLJ923e6CzrVh9cmx21QHsoUmrEE";
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    // get the address
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".privkey:first").text();
        });
        if (actual != expected) {
            console.log("Private key is not shown");
            console.log("Expected: " + expected);
            console.log("Got: " + actual);
            fail();
        }
        next();
    });
});
},

// Private key visibility can be toggled
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // toggle private key visibility
        page.evaluate(function() {
            $(".private-key-toggle").click();
        });
        // check the private key is not visible
        var isInvisible = page.evaluate(function() {
            return $(".privkey:first span").hasClass("invisible");
        });
        if (!isInvisible) {
            console.log("Toggled private key is visible");
            fail();
        }
        next();
    });
});
},

// More addresses can be generated
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // generate more addresses
        page.evaluate(function() {
            $(".more").click();
        });
        waitForGenerate(function() {
            // check there are more addresses
            var addressCount = page.evaluate(function() {
                return $(".address").length;
            });
            if (addressCount != 40) {
                console.log("More addresses cannot be generated");
                fail();
            }
            next();
        });
    });
});
},

// A custom number of additional addresses can be generated
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // get the current number of addresses
        var oldAddressCount = page.evaluate(function() {
            return $(".address").length;
        });
        // set a custom number of additional addresses
        page.evaluate(function() {
            $(".rows-to-add").val(1);
        });
        // generate more addresses
        page.evaluate(function() {
            $(".more").click();
        });
        waitForGenerate(function() {
            // check there are the correct number of addresses
            var newAddressCount = page.evaluate(function() {
                return $(".address").length;
            });
            if (newAddressCount - oldAddressCount != 1) {
                console.log("Number of additional addresses cannot be customized");
                console.log(newAddressCount)
                console.log(oldAddressCount)
                fail();
            }
            next();
        });
    });
});
},

// Additional addresses are shown in order of derivation path
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    waitForGenerate(function() {
        // generate more addresses
        page.evaluate(function() {
            $(".more").click();
        });
        // get the derivation paths
        waitForGenerate(function() {
            var paths = page.evaluate(function() {
                return $(".index").map(function(i, e) {
                    return $(e).text();
                });
            });
            if (paths.length != 40) {
                console.log("Total additional paths is less than expected: " + paths.length);
                fail();
            }
            for (var i=0; i<paths.length; i++) {
                var expected = "m/44'/0'/0'/0/" + i;
                var actual = paths[i];
                if (actual != expected) {
                    console.log("Path " + i + " is not in correct order");
                    console.log("Expected: " + expected);
                    console.log("Actual: " + actual);
                    fail();
                }
            }
            next();
        });
    });
});
},

// BIP32 root key can be set by the user
function() {
page.open(url, function(status) {
    var expected = "1Di3Vp7tBWtyQaDABLAjfWtF6V7hYKJtug";
    // set the root key
    page.evaluate(function() {
        $(".root-key").val("xprv9s21ZrQH143K2jkGDCeTLgRewT9F2pH5JZs2zDmmjXes34geVnFiuNa8KTvY5WoYvdn4Ag6oYRoB6cXtc43NgJAEqDXf51xPm6fhiMCKwpi").trigger("input");
    });
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("Setting BIP32 root key results in wrong address");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Setting BIP32 root key clears the existing phrase, passphrase and seed
function() {
page.open(url, function(status) {
    var expected = "";
    // set a mnemonic
    page.evaluate(function() {
        $(".phrase").val("A non-blank but invalid value");
    });
    // Accept any confirm dialogs
    page.onConfirm = function() {
        return true;
    };
    // set the root key
    page.evaluate(function() {
        $(".root-key").val("xprv9s21ZrQH143K2jkGDCeTLgRewT9F2pH5JZs2zDmmjXes34geVnFiuNa8KTvY5WoYvdn4Ag6oYRoB6cXtc43NgJAEqDXf51xPm6fhiMCKwpi").trigger("input");
    });
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".phrase").val();
        });
        if (actual != expected) {
            console.log("Phrase not cleared when setting BIP32 root key");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Clearing of phrase, passphrase and seed can be cancelled by user
function() {
page.open(url, function(status) {
    var expected = "abandon abandon ability";
    // set a mnemonic
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
    });
    // Cancel any confirm dialogs
    page.onConfirm = function() {
        return false;
    };
    // set the root key
    page.evaluate(function() {
        $(".root-key").val("xprv9s21ZrQH143K3d3vzEDD3KpSKmxsZ3y7CqhAL1tinwtP6wqK4TKEKjpBuo6P2hUhB6ZENo7TTSRytiP857hBZVpBdk8PooFuRspE1eywwNZ").trigger("input");
    });
    var actual = page.evaluate(function() {
        return $(".phrase").val();
    });
    if (actual != expected) {
        console.log("Phrase not retained when cancelling changes to BIP32 root key");
        console.log("Expected: " + expected);
        console.log("Actual: " + actual);
        fail();
    }
    next();
});
},

// Custom BIP32 root key is used when changing the derivation path
function() {
page.open(url, function(status) {
    var expected = "1Nq2Wmu726XHCuGhctEtGmhxo3wzk5wZ1H";
    // set the root key
    page.evaluate(function() {
        $(".root-key").val("xprv9s21ZrQH143K2jkGDCeTLgRewT9F2pH5JZs2zDmmjXes34geVnFiuNa8KTvY5WoYvdn4Ag6oYRoB6cXtc43NgJAEqDXf51xPm6fhiMCKwpi").trigger("input");
    });
    waitForGenerate(function() {
        // change the derivation path
        page.evaluate(function() {
            $("#account").val("1").trigger("input");
        });
        // check the bip32 root key is used for derivation, not the blank phrase
        waitForGenerate(function() {
            var actual = page.evaluate(function() {
                return $(".address:first").text();
            });
            if (actual != expected) {
                console.log("Changing the derivation path does not use BIP32 root key");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// Incorrect mnemonic shows error
function() {
page.open(url, function(status) {
    // set the root key
    page.evaluate(function() {
        $(".phrase").val("abandon abandon abandon").trigger("input");
    });
    waitForFeedback(function() {
        // check there is an error shown
        var feedback = page.evaluate(function() {
            return $(".feedback").text();
        });
        if (feedback.length <= 0) {
            console.log("Invalid mnemonic does not show error");
            fail();
        }
        next();
    });
});
},

// Incorrect word shows suggested replacement
function() {
page.open(url, function(status) {
    // set the root key
    page.evaluate(function() {
        $(".phrase").val("abandon abandon abiliti").trigger("input");
    });
    // check there is a suggestion shown
    waitForFeedback(function() {
        var feedback = page.evaluate(function() {
            return $(".feedback").text();
        });
        if (feedback.indexOf("did you mean ability?") < 0) {
            console.log("Incorrect word does not show suggested replacement");
            console.log("Error: " + error);
            fail();
        }
        next();
    });
});
},

// Incorrect BIP32 root key shows error
function() {
page.open(url, function(status) {
    // set the root key
    page.evaluate(function() {
        $(".root-key").val("xprv9s21ZrQH143K2jkGDCeTLgRewT9F2pH5JZs2zDmmjXes34geVnFiuNa8KTvY5WoYvdn4Ag6oYRoB6cXtc43NgJAEqDXf51xPm6fhiMCKwpj").trigger("input");
    });
    // check there is an error shown
    waitForFeedback(function() {
        var feedback = page.evaluate(function() {
            return $(".feedback").text();
        });
        if (feedback != "Invalid root key") {
            console.log("Invalid root key does not show error");
            console.log("Error: " + error);
            fail();
        }
        next();
    });
});
},

// Derivation path not starting with m shows error
function() {
page.open(url, function(status) {
    // set the mnemonic phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    waitForGenerate(function() {
        // select the bip32 tab so custom derivation path can be set
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        waitForGenerate(function() {
            // set the incorrect derivation path
            page.evaluate(function() {
                $("#bip32 .path").val("n/0").trigger("input");
            });
            waitForFeedback(function() {
                var feedback = page.evaluate(function() {
                    return $(".feedback").text();
                });
                if (feedback != "First character must be 'm'") {
                    console.log("Derivation path not starting with m should show error");
                    console.log("Error: " + error);
                    fail();
                }
                next();
            });
        });
    });
});
},

// Derivation path containing invalid characters shows useful error
function() {
page.open(url, function(status) {
    // set the mnemonic phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    waitForGenerate(function() {
        // select the bip32 tab so custom derivation path can be set
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        waitForGenerate(function() {
            // set the incorrect derivation path
            page.evaluate(function() {
                $("#bip32 .path").val("m/1/0wrong1/1").trigger("input");
            });
            waitForFeedback(function() {
                var feedback = page.evaluate(function() {
                    return $(".feedback").text();
                });
                if (feedback != "Invalid characters 0wrong1 found at depth 2") {
                    console.log("Derivation path with invalid characters should show error");
                    console.log("Error: " + error);
                    fail();
                }
                next();
            });
        });
    });
});
},

// Github Issue 11: Default word length is 15
// https://github.com/iancoleman/bip39/issues/11
function() {
page.open(url, function(status) {
    // get the word length
    var defaultLength = page.evaluate(function() {
        return $(".strength").val();
    });
    if (defaultLength != 15) {
        console.log("Default word length is not 15");
        fail();
    }
    next();
});
},


// Github Issue 12: Generate more rows with private keys hidden
// https://github.com/iancoleman/bip39/issues/12
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // toggle private keys hidden, then generate more addresses
        page.evaluate(function() {
            $(".private-key-toggle").click();
            $(".more").click();
        });
        waitForGenerate(function() {
            // check more have been generated
            var expected = 40;
            var numPrivKeys = page.evaluate(function() {
                return $(".privkey").length;
            });
            if (numPrivKeys != expected) {
                console.log("Wrong number of addresses when clicking 'more' with hidden privkeys");
                console.log("Expected: " + expected);
                console.log("Actual: " + numPrivKeys);
                fail();
            }
            // check no private keys are shown
            var numHiddenPrivKeys = page.evaluate(function() {
                return $(".privkey span[class=invisible]").length;
            });
            if (numHiddenPrivKeys != expected) {
                console.log("Generating more does not retain hidden state of privkeys");
                console.log("Expected: " + expected);
                console.log("Actual: " + numHiddenPrivKeys);
                fail();
            }
            next();
        });
    });
});
},

// Github Issue 19: Mnemonic is not sensitive to whitespace
// https://github.com/iancoleman/bip39/issues/19
function() {
page.open(url, function(status) {
    // set the phrase
    var expected = "xprv9s21ZrQH143K3isaZsWbKVoTtbvd34Y1ZGRugGdMeBGbM3AgBVzTH159mj1cbbtYSJtQr65w6L5xy5L9SFC7c9VJZWHxgAzpj4mun5LhrbC";
    page.evaluate(function() {
        var doubleSpace = "  ";
        $(".phrase").val("urge cat" + doubleSpace + "bid");
        $(".phrase").trigger("input");
    });
    waitForGenerate(function() {
        // Check the bip32 root key is correct
        var actual = page.evaluate(function() {
            return $(".root-key").val();
        });
        if (actual != expected) {
            console.log("Mnemonic is sensitive to whitespace");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        next();
    });
});
},

// Github Issue 23: Part 1: Use correct derivation path when changing tabs
// https://github.com/iancoleman/bip39/issues/23
function() {
page.open(url, function(status) {
    // 1) and 2) set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    waitForGenerate(function() {
        // 3) select bip32 tab
        page.evaluate(function() {
            $("#bip32-tab a").click();
        });
        waitForGenerate(function() {
            // 4) switch from bitcoin to litecoin
            page.evaluate(function() {
                $(".network").val("2").trigger("change");
            });
            waitForGenerate(function() {
                // 5) Check derivation path is displayed correctly
                var expected = "m/0/0";
                var actual = page.evaluate(function() {
                    return $(".index:first").text();
                });
                if (actual != expected) {
                    console.log("Github Issue 23 Part 1: derivation path display error");
                    console.log("Expected: " + expected);
                    console.log("Actual: " + actual);
                    fail();
                }
                // 5) Check address is displayed correctly
                var expected = "LS8MP5LZ5AdzSZveRrjm3aYVoPgnfFh5T5";
                var actual = page.evaluate(function() {
                    return $(".address:first").text();
                });
                if (actual != expected) {
                    console.log("Github Issue 23 Part 1: address display error");
                    console.log("Expected: " + expected);
                    console.log("Actual: " + actual);
                    fail();
                }
                next();
            });
        });
    });
});
},

// Github Issue 23 Part 2: Coin selection in derivation path
// https://github.com/iancoleman/bip39/issues/23#issuecomment-238011920
function() {
page.open(url, function(status) {
    // set the phrase
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    waitForGenerate(function() {
        // switch from bitcoin to clam
        page.evaluate(function() {
            $(".network").val("9").trigger("change");
        });
        waitForGenerate(function() {
            // check derivation path is displayed correctly
            var expected = "m/44'/23'/0'/0/0";
            var actual = page.evaluate(function() {
                return $(".index:first").text();
            });
            if (actual != expected) {
                console.log("Github Issue 23 Part 2: Coin in BIP44 derivation path is incorrect");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// Github Issue 26: When using a Root key derrived altcoins are incorrect
// https://github.com/iancoleman/bip39/issues/26
function() {
page.open(url, function(status) {
    // 1) 2) and 3) set the root key
    page.evaluate(function() {
        $(".root-key").val("xprv9s21ZrQH143K2jkGDCeTLgRewT9F2pH5JZs2zDmmjXes34geVnFiuNa8KTvY5WoYvdn4Ag6oYRoB6cXtc43NgJAEqDXf51xPm6fhiMCKwpi").trigger("input");
    });
    waitForGenerate(function() {
        // 4) switch from bitcoin to viacoin
        page.evaluate(function() {
            $(".network").val("6").trigger("change");
        });
        waitForGenerate(function() {
            // 5) ensure the derived address is correct
            var expected = "Vq9Eq4N5SQnjqZvxtxzo7hZPW5XnyJsmXT";
            var actual = page.evaluate(function() {
                return $(".address:first").text();
            });
            if (actual != expected) {
                console.log("Github Issue 26: address is incorrect when changing networks and using root-key to derive");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// Selecting a language with no existing phrase should generate a phrase in
// that language.
function() {
page.open(url, function(status) {
    // Select a language
    // Need to manually simulate hash being set due to quirk between
    // 'click' event triggered by javascript vs triggered by mouse.
    // Perhaps look into page.sendEvent
    // http://phantomjs.org/api/webpage/method/send-event.html
    page.evaluate(function() {
        window.location.hash = "#japanese";
        $("a[href='#japanese']").trigger("click");
    });
    waitForGenerate(function() {
        // Check the mnemonic is in Japanese
        var phrase = page.evaluate(function() {
            return $(".phrase").val();
        });
        if (phrase.length <= 0) {
            console.log("No Japanese phrase generated");
            fail();
        }
        if (phrase.charCodeAt(0) < 128) {
            console.log("First character of Japanese phrase is ascii");
            console.log("Phrase: " + phrase);
            fail();
        }
        next();
    });
});
},

// Selecting a language with existing phrase should update the phrase to use
// that language.
function() {
page.open(url, function(status) {
    // Set the phrase to an English phrase.
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    waitForGenerate(function() {
        // Change to Italian
        // Need to manually simulate hash being set due to quirk between
        // 'click' event triggered by javascript vs triggered by mouse.
        // Perhaps look into page.sendEvent
        // http://phantomjs.org/api/webpage/method/send-event.html
        page.evaluate(function() {
            window.location.hash = "#italian";
            $("a[href='#italian']").trigger("click");
        });
        waitForGenerate(function() {
            // Check only the language changes, not the phrase
            var expected = "abaco abaco abbaglio";
            var actual = page.evaluate(function() {
                return $(".phrase").val();
            });
            if (actual != expected) {
                console.log("Changing language with existing phrase");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            // Check the address is correct
            var expected = "1Dz5TgDhdki9spa6xbPFbBqv5sjMrx3xgV";
            var actual = page.evaluate(function() {
                return $(".address:first").text();
            });
            if (actual != expected) {
                console.log("Changing language generates incorrect address");
                console.log("Expected: " + expected);
                console.log("Actual: " + actual);
                fail();
            }
            next();
        });
    });
});
},

// Suggested replacement for erroneous word in non-English language
function() {
page.open(url, function(status) {
    // Set an incorrect phrase in Italian
    page.evaluate(function() {
        $(".phrase").val("abaco abaco zbbaglio").trigger("input");
    });
    waitForFeedback(function() {
        // Check the suggestion is correct
        var feedback = page.evaluate(function() {
            return $(".feedback").text();
        });
        if (feedback.indexOf("did you mean abbaglio?") < 0) {
            console.log("Incorrect Italian word does not show suggested replacement");
            console.log("Error: " + error);
            fail();
        }
        next();
    });
});
},


// Japanese word does not break across lines.
// Point 2 from
// https://github.com/bitcoin/bips/blob/master/bip-0039/bip-0039-wordlists.md#japanese
function() {
page.open(url, function(status) {
    hasWordBreakCss = page.content.indexOf("word-break: keep-all;") > -1;
    if (!hasWordBreakCss) {
        console.log("Japanese words can break across lines mid-word");
        console.log("Check CSS for '.phrase { word-break: keep-all; }'");
        fail();
    }
    // Run the next test
    next();
});
},

// Language can be specified at page load using hash value in url
function() {
page.open(url, function(status) {
    // Set the page hash as if it were on a fresh page load
    page.evaluate(function() {
        window.location.hash = "#japanese";
    });
    // Generate a random phrase
    page.evaluate(function() {
        $(".generate").trigger("click");
    });
    waitForGenerate(function() {
        // Check the phrase is in Japanese
        var phrase = page.evaluate(function() {
            return $(".phrase").val();
        });
        if (phrase.length <= 0) {
            console.log("No phrase generated using url hash");
            fail();
        }
        if (phrase.charCodeAt(0) < 128) {
            console.log("Language not detected from url hash on page load.");
            console.log("Phrase: " + phrase);
            fail();
        }
        next();
    });
});
},

// Entropy unit tests
function() {
page.open(url, function(status) {
    var error = page.evaluate(function() {
        var e;
        // binary entropy is detected
        e = Entropy.fromString("01010101");
        if (e.base.str != "binary") {
            return "Binary entropy not detected correctly";
        }
        // base6 entropy is detected
        e = Entropy.fromString("012345012345");
        if (e.base.str != "base 6") {
            return "base6 entropy not detected correctly";
        }
        // dice entropy is detected
        e = Entropy.fromString("123456123456");
        if (e.base.str != "base 6 (dice)") {
            return "dice entropy not detected correctly";
        }
        // base10 entropy is detected
        e = Entropy.fromString("0123456789");
        if (e.base.str != "base 10") {
            return "base10 entropy not detected correctly";
        }
        // hex entropy is detected
        e = Entropy.fromString("0123456789ABCDEF");
        if (e.base.str != "hexadecimal") {
            return "hexadecimal entropy not detected correctly";
        }
        // entropy is case insensitive
        e = Entropy.fromString("aBcDeF");
        if (e.cleanStr != "aBcDeF") {
            return "Entropy should not be case sensitive";
        }
        // dice entropy is converted to base6
        e = Entropy.fromString("123456");
        if (e.cleanStr != "012345") {
            return "Dice entropy is not automatically converted to base6";
        }
        // dice entropy is preferred to base6 if ambiguous
        e = Entropy.fromString("12345");
        if (e.base.str != "base 6 (dice)") {
            return "dice not used as default over base 6";
        }
        // unused characters are ignored
        e = Entropy.fromString("fghijkl");
        if (e.cleanStr != "f") {
            return "additional characters are not ignored";
        }
        // the lowest base is used by default
        // 7 could be decimal or hexadecimal, but should be detected as decimal
        e = Entropy.fromString("7");
        if (e.base.str != "base 10") {
            return "lowest base is not used";
        }
        // Hexadecimal representation is returned
        e = Entropy.fromString("1010");
        if (e.hexStr != "A") {
            return "Hexadecimal representation not returned";
        }
        // Leading zeros are retained
        e = Entropy.fromString("000A");
        if (e.cleanStr != "000A") {
            return "Leading zeros are not retained";
        }
        // Leading zeros are correctly preserved for hex in binary string
        e = Entropy.fromString("2A");
        if (e.binaryStr != "00101010") {
            return "Hex leading zeros are not correct in binary";
        }
        // Keyboard mashing results in weak entropy
        // Despite being a long string, it's less than 30 bits of entropy
        e = Entropy.fromString("aj;se ifj; ask,dfv js;ifj");
        if (e.binaryStr.length >= 30) {
            return "Keyboard mashing should produce weak entropy";
        }
        return false;
    });
    if (error) {
        console.log("Entropy unit tests");
        console.log(error);
        fail();
    };
    next();
});
},

// Entropy can be entered by the user
function() {
page.open(url, function(status) {
    expected = {
        mnemonic: "abandon abandon ability",
        address: "1Di3Vp7tBWtyQaDABLAjfWtF6V7hYKJtug",
    }
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val("00000000 00000000 00000000 00000000").trigger("input");
    });
    // check the mnemonic is set and address is correct
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return {
                address: $(".address:first").text(),
                mnemonic: $(".phrase").val(),
            }
        });
        if (actual.mnemonic != expected.mnemonic) {
            console.log("Entropy does not generate correct mnemonic");
            console.log("Expected: " + expected.mnemonic);
            console.log("Got: " + actual.mnemonic);
            fail();
        }
        if (actual.address != expected.address) {
            console.log("Entropy does not generate correct address");
            console.log("Expected: " + expected.address);
            console.log("Got: " + actual.address);
            fail();
        }
        next();
    });
});
},

// A warning about entropy is shown to the user, with additional information
function() {
page.open(url, function(status) {
    // get text content from entropy sections of page
    var hasWarning = page.evaluate(function() {
        var entropyText = $(".entropy-container").text();
        var warning = "mnemonic may be insecure";
        if (entropyText.indexOf(warning) == -1) {
            return false;
        }
        var readMoreText = $("#entropy-notes").parent().text();
        var goodSources = "flipping a fair coin, rolling a fair dice, noise measurements etc";
        if (readMoreText.indexOf(goodSources) == -1) {
            return false;
        }
        return true;
    });
    // check the warnings and information are shown
    if (!hasWarning) {
        console.log("Page does not contain warning about using own entropy");
        fail();
    }
    next();
});
},

// The types of entropy available are described to the user
function() {
page.open(url, function(status) {
    // get placeholder text for entropy field
    var placeholder = page.evaluate(function() {
        return $(".entropy").attr("placeholder");
    });
    var options = [
        "binary",
        "base 6",
        "dice",
        "base 10",
        "hexadecimal",
    ];
    for (var i=0; i<options.length; i++) {
        var option = options[i];
        if (placeholder.indexOf(option) == -1) {
            console.log("Available entropy type is not shown to user: " + option);
            fail();
        }
    }
    next();
});
},

// The actual entropy used is shown to the user
function() {
page.open(url, function(status) {
    // use entropy
    var badEntropySource = page.evaluate(function() {
        var entropy = "Not A Very Good Entropy Source At All";
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val(entropy).trigger("input");
    });
    // check the actual entropy being used is shown
    waitForGenerate(function() {
        var expectedText = "AedEceAA";
        var entropyText = page.evaluate(function() {
            return $(".entropy-container").text();
        });
        if (entropyText.indexOf(expectedText) == -1) {
            console.log("Actual entropy used is not shown");
            fail();
        }
        next();
    });
});
},

// Binary entropy can be entered
function() {
page.open(url, function(status) {
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val("01").trigger("input");
    });
    // check the entropy is shown to be the correct type
    waitForGenerate(function() {
        var entropyText = page.evaluate(function() {
            return $(".entropy-container").text();
        });
        if (entropyText.indexOf("binary") == -1) {
            console.log("Binary entropy is not detected and presented to user");
            fail();
        }
        next();
    });
});
},

// Base 6 entropy can be entered
function() {
page.open(url, function(status) {
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val("012345").trigger("input");
    });
    // check the entropy is shown to be the correct type
    waitForGenerate(function() {
        var entropyText = page.evaluate(function() {
            return $(".entropy-container").text();
        });
        if (entropyText.indexOf("base 6") == -1) {
            console.log("Base 6 entropy is not detected and presented to user");
            fail();
        }
        next();
    });
});
},

// Base 6 dice entropy can be entered
function() {
page.open(url, function(status) {
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val("123456").trigger("input");
    });
    // check the entropy is shown to be the correct type
    waitForGenerate(function() {
        var entropyText = page.evaluate(function() {
            return $(".entropy-container").text();
        });
        if (entropyText.indexOf("dice") == -1) {
            console.log("Dice entropy is not detected and presented to user");
            fail();
        }
        next();
    });
});
},

// Base 10 entropy can be entered
function() {
page.open(url, function(status) {
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val("789").trigger("input");
    });
    // check the entropy is shown to be the correct type
    waitForGenerate(function() {
        var entropyText = page.evaluate(function() {
            return $(".entropy-container").text();
        });
        if (entropyText.indexOf("base 10") == -1) {
            console.log("Base 10 entropy is not detected and presented to user");
            fail();
        }
        next();
    });
});
},

// Hexadecimal entropy can be entered
function() {
page.open(url, function(status) {
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val("abcdef").trigger("input");
    });
    // check the entropy is shown to be the correct type
    waitForGenerate(function() {
        var entropyText = page.evaluate(function() {
            return $(".entropy-container").text();
        });
        if (entropyText.indexOf("hexadecimal") == -1) {
            console.log("Hexadecimal entropy is not detected and presented to user");
            fail();
        }
        next();
    });
});
},

// Dice entropy value is shown as the converted base 6 value
function() {
page.open(url, function(status) {
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val("123456").trigger("input");
    });
    // check the entropy is shown as base 6, not as the original dice value
    waitForGenerate(function() {
        var entropyText = page.evaluate(function() {
            return $(".entropy-container").text();
        });
        if (entropyText.indexOf("012345") == -1) {
            console.log("Dice entropy is not shown to user as base 6 value");
            fail();
        }
        if (entropyText.indexOf("123456") > -1) {
            console.log("Dice entropy value is shown instead of true base 6 value");
            fail();
        }
        next();
    });
});
},

// The number of bits of entropy accumulated is shown
function() {
page.open(url, function(status) {
    var tests = {
        "0000 0000 0000 0000 0000": "20",
        "0": "1",
        "0000": "4",
        "6": "3",
        "7": "3",
        "8": "4",
        "F": "4",
        "29": "5",
        "0A": "8",
        "1A": "8", // hex is always multiple of 4 bits of entropy
        "2A": "8",
        "4A": "8",
        "8A": "8",
        "FA": "8",
        "000A": "16",
        "2220": "10",
        "2221": "9", // uses dice, so entropy is actually 1110
        "2227": "12",
        "222F": "16",
        "FFFF": "16",
    }
    // Arrange tests in array so last one can be easily detected
    var entropys = [];
    var results = [];
    for (var entropy in tests) {
        entropys.push(entropy);
        results.push(tests[entropy]);
    }
    // use entropy
    page.evaluate(function(e) {
        $(".use-entropy").prop("checked", true).trigger("change");
    });
    // Run each test
    var nextTest = function runNextTest(i) {
        var entropy = entropys[i];
        var expected = results[i];
        // set entropy
        page.evaluate(function(e) {
            $(".addresses").empty(); // bit of a hack, but needed for waitForGenerate
            $(".entropy").val(e).trigger("input");
        }, entropy);
        // check the number of bits of entropy is shown
        waitForGenerate(function() {
            var entropyText = page.evaluate(function() {
                return $(".entropy-container").text();
            });
            if (entropyText.indexOf("Have " + expected + " bits of entropy") == -1) {
                console.log("Accumulated entropy is not shown correctly for " + entropy);
                fail();
            }
            var isLastTest = i == results.length - 1;
            if (isLastTest) {
                next();
            }
            else {
                runNextTest(i+1);
            }
        });
    }
    nextTest(0);
});
},

// The number of bits of entropy to reach the next mnemonic strength is shown
function() {
page.open(url, function(status) {
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        $(".entropy").val("7654321").trigger("input");
    });
    // check the amount of additional entropy required is shown
    waitForGenerate(function() {
        var entropyText = page.evaluate(function() {
            return $(".entropy-container").text();
        });
        if (entropyText.indexOf("3 more base 10 chars required") == -1) {
            console.log("Additional entropy requirement is not shown");
            fail();
        }
        next();
    });
});
},

// The next strength above 0-word mnemonics is considered extremely weak
// The next strength above 3-word mnemonics is considered very weak
// The next strength above 6-word mnemonics is considered weak
// The next strength above 9-word mnemonics is considered strong
// The next strength above 12-word mnemonics is considered very strong
// The next strength above 15-word mnemonics is considered extremely strong
function() {
page.open(url, function(status) {
    var tests = [
        {
            entropy: "A",
            words: 0,
            nextStrength: "an extremely weak",
        },
        {
            entropy: "AAAAAAAA",
            words: 3,
            nextStrength: "a very weak",
        },
        {
            entropy: "AAAAAAAA B",
            words: 3,
            nextStrength: "a very weak",
        },
        {
            entropy: "AAAAAAAA BBBBBBBB",
            words: 6,
            nextStrength: "a weak",
        },
        {
            entropy: "AAAAAAAA BBBBBBBB CCCCCCCC",
            words: 9,
            nextStrength: "a strong",
        },
        {
            entropy: "AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD",
            words: 12,
            nextStrength: "a very strong",
        },
        {
            entropy: "AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD EEEEEEEE",
            words: 15,
            nextStrength: "an extremely strong",
        }
    ];
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
    });
    var nextTest = function runNextTest(i) {
        test = tests[i];
        page.evaluate(function(e) {
            $(".addresses").empty();
            $(".entropy").val(e).trigger("input");
        }, test.entropy);
        waitForGenerate(function() {
            // check the strength of the current mnemonic
            var mnemonic = page.evaluate(function() {
                return $(".phrase").val();
            });
            if (test.words == 0) {
                if (mnemonic.length > 0) {
                    console.log("Mnemonic length for " + test.nextStrength + " strength is not " + test.words);
                    console.log("Mnemonic: " + mnemonic);
                    fail();
                }
            }
            else {
                if (mnemonic.split(" ").length != test.words) {
                    console.log("Mnemonic length for " + test.nextStrength + " strength is not " + test.words);
                    console.log("Mnemonic: " + mnemonic);
                    fail();
                }
            }
            // check the strength of the next mnemonic is shown
            var entropyText = page.evaluate(function() {
                return $(".entropy-container").text();
            });
            if (entropyText.indexOf("required to generate " + test.nextStrength + " mnemonic") == -1) {
                console.log("Strength indicator for " + test.nextStrength + " mnemonic is incorrect");
                fail();
            }
            var isLastTest = i == tests.length - 1;
            if (isLastTest) {
                next();
            }
            else {
                runNextTest(i+1);
            }
        });
    }
    nextTest(0);
});
},

// Entropy is truncated from the right
function() {
page.open(url, function(status) {
    var expected = "abandon abandon ability";
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        var entropy  = "00000000 00000000 00000000 00000000";
            entropy += "11111111 11111111 11111111 1111"; // Missing last byte, only first 8 bytes are used
        $(".entropy").val(entropy).trigger("input");
    });
    // check the entropy is truncated from the right
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".phrase").val();
        });
        if (actual != expected) {
            console.log("Entropy is not truncated from the right");
            console.log("Expected: " + expected);
            console.log("Got: " + actual);
            fail();
        }
        next();
    });
});
},

// Very large entropy results in very long mnemonics
function() {
page.open(url, function(status) {
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        var entropy  = "";
        // Generate a very long entropy string
        for (var i=0; i<33; i++) {
            entropy += "AAAAAAAA"; // 3 words * 33 iterations = 99 words
        }
        $(".entropy").val(entropy).trigger("input");
    });
    // check the mnemonic is very long
    waitForGenerate(function() {
        var wordCount = page.evaluate(function() {
            return $(".phrase").val().split(" ").length;
        });
        if (wordCount != 99) {
            console.log("Large entropy does not generate long mnemonic");
            console.log("Expected 99 words, got " + wordCount);
            fail();
        }
        next();
    });
});
},

// Is compatible with bip32jp entropy
// https://bip32jp.github.io/english/index.html
// NOTES:
// Is incompatible with:
//     base 6 with leading zeros
//     base 6 wth 12 words / 53 chars
//     base 20
function() {
page.open(url, function(status) {
    var expected = "defy trip fatal jaguar mean rack rifle survey satisfy drift twist champion steel wife state furnace night consider glove olympic oblige donor novel left";
    // use entropy
    page.evaluate(function() {
        $(".use-entropy").prop("checked", true).trigger("change");
        var entropy  = "123450123450123450123450123450123450123450123450123450123450123450123450123450123450123450123450123";
        $(".entropy").val(entropy).trigger("input");
    });
    // check the mnemonic matches the expected value from bip32jp
    waitForGenerate(function() {
        var actual = page.evaluate(function() {
            return $(".phrase").val();
        });
        if (actual != expected) {
            console.log("Mnemonic does not match bip32jp for base 6 entropy");
            console.log("Expected: " + expected);
            console.log("Got: " + actual);
            fail();
        }
        next();
    });
});
},

// If you wish to add more tests, do so here...

// Here is a blank test template
/*

function() {
page.open(url, function(status) {
    // Do something on the page
    page.evaluate(function() {
        $(".phrase").val("abandon abandon ability").trigger("input");
    });
    waitForGenerate(function() {
        // Check the result of doing the thing
        var expected = "1Di3Vp7tBWtyQaDABLAjfWtF6V7hYKJtug";
        var actual = page.evaluate(function() {
            return $(".address:first").text();
        });
        if (actual != expected) {
            console.log("A specific message about what failed");
            console.log("Expected: " + expected);
            console.log("Actual: " + actual);
            fail();
        }
        // Run the next test
        next();
    });
});
},

*/

];

console.log("Running tests...");
tests = shuffle(tests);
next();