X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=tests.js;h=1b1d44577a91b01e8addb301c54b707c594610c8;hb=9bc39377aa0317ffbfed3b6e29814bb26681cfd5;hp=1841af652047bd691f960b0ba8e03b66ab08ff00;hpb=057722b034672d240eea2ff01a7a5a01a4706e00;p=perso%2FImmae%2FProjets%2FCryptomonnaies%2FBIP39.git

diff --git a/tests.js b/tests.js
index 1841af6..1b1d445 100644
--- a/tests.js
+++ b/tests.js
@@ -80,7 +80,7 @@ function waitForEntropyFeedback(fn, maxTime) {
         maxTime = testMaxTime;
     }
     var origFeedback = page.evaluate(function() {
-        return $(".entropy-error").text();
+        return $(".entropy-container").text();
     });
     var start = new Date().getTime();
     var wait = function keepWaiting() {
@@ -92,11 +92,7 @@ function waitForEntropyFeedback(fn, maxTime) {
             return;
         }
         var feedback = page.evaluate(function() {
-            var feedback = $(".entropy-error");
-            if (feedback.css("display") == "none") {
-                return "";
-            }
-            return feedback.text();
+            return $(".entropy-container").text();
         });
         var hasFinished = feedback != origFeedback;
         if (hasFinished) {
@@ -1997,85 +1993,235 @@ page.open(url, function(status) {
 // Entropy unit tests
 function() {
 page.open(url, function(status) {
-    var error = page.evaluate(function() {
+    var response = page.evaluate(function() {
         var e;
         // binary entropy is detected
-        e = Entropy.fromString("01010101");
-        if (e.base.str != "binary") {
-            return "Binary entropy not detected correctly";
+        try {
+            e = Entropy.fromString("01010101");
+            if (e.base.str != "binary") {
+                return "Binary entropy not detected correctly";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // base6 entropy is detected
-        e = Entropy.fromString("012345012345");
-        if (e.base.str != "base 6") {
-            return "base6 entropy not detected correctly";
+        try {
+            e = Entropy.fromString("012345012345");
+            if (e.base.str != "base 6") {
+                return "base6 entropy not detected correctly";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // dice entropy is detected
-        e = Entropy.fromString("123456123456");
-        if (e.base.str != "base 6 (dice)") {
-            return "dice entropy not detected correctly";
+        try {
+            e = Entropy.fromString("123456123456");
+            if (e.base.str != "base 6 (dice)") {
+                return "dice entropy not detected correctly";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // base10 entropy is detected
-        e = Entropy.fromString("0123456789");
-        if (e.base.str != "base 10") {
-            return "base10 entropy not detected correctly";
+        try {
+            e = Entropy.fromString("0123456789");
+            if (e.base.str != "base 10") {
+                return "base10 entropy not detected correctly";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // hex entropy is detected
-        e = Entropy.fromString("0123456789ABCDEF");
-        if (e.base.str != "hexadecimal") {
-            return "hexadecimal entropy not detected correctly";
+        try {
+            e = Entropy.fromString("0123456789ABCDEF");
+            if (e.base.str != "hexadecimal") {
+                return "hexadecimal entropy not detected correctly";
+            }
+        }
+        catch (e) {
+            return e.message;
+        }
+        // card entropy is detected
+        try {
+            e = Entropy.fromString("AC4DTHKS");
+            if (e.base.str != "card") {
+                return "card entropy not detected correctly";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // entropy is case insensitive
-        e = Entropy.fromString("aBcDeF");
-        if (e.cleanStr != "aBcDeF") {
-            return "Entropy should not be case sensitive";
+        try {
+            e = Entropy.fromString("aBcDeF");
+            if (e.cleanStr != "aBcDeF") {
+                return "Entropy should not be case sensitive";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // dice entropy is converted to base6
-        e = Entropy.fromString("123456");
-        if (e.cleanStr != "012345") {
-            return "Dice entropy is not automatically converted to base6";
+        try {
+            e = Entropy.fromString("123456");
+            if (e.cleanStr != "123450") {
+                return "Dice entropy is not automatically converted to base6";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // 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";
+        try {
+            e = Entropy.fromString("12345");
+            if (e.base.str != "base 6 (dice)") {
+                return "dice not used as default over base 6";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // unused characters are ignored
-        e = Entropy.fromString("fghijkl");
-        if (e.cleanStr != "f") {
-            return "additional characters are not ignored";
+        try {
+            e = Entropy.fromString("fghijkl");
+            if (e.cleanStr != "f") {
+                return "additional characters are not ignored";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // 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";
+        try {
+            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";
+        catch (e) {
+            return e.message;
         }
         // Leading zeros are retained
-        e = Entropy.fromString("000A");
-        if (e.cleanStr != "000A") {
-            return "Leading zeros are not retained";
+        try {
+            e = Entropy.fromString("000A");
+            if (e.cleanStr != "000A") {
+                return "Leading zeros are not retained";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // 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";
+        try {
+            e = Entropy.fromString("2A");
+            if (e.binaryStr != "00101010") {
+                return "Hex leading zeros are not correct in binary";
+            }
+        }
+        catch (e) {
+            return e.message;
+        }
+        // Leading zeros for base 6 as binary string
+        // 20 = 2 events at 2.58 bits per event = 5 bits
+        // 20 in base 6 = 12 in base 10 = 1100 in base 2
+        // so it needs 1 bit of padding to be the right bit length
+        try {
+            e = Entropy.fromString("20");
+            if (e.binaryStr != "01100") {
+                return "Base 6 as binary has leading zeros";
+            }
+        }
+        catch (e) {
+            return e.message;
+        }
+        // Leading zeros for base 10 as binary string
+        try {
+            e = Entropy.fromString("17");
+            if (e.binaryStr != "010001") {
+                return "Base 10 as binary has leading zeros";
+            }
+        }
+        catch (e) {
+            return e.message;
+        }
+        // Leading zeros for card entropy as binary string
+        try {
+            e = Entropy.fromString("2c");
+            if (e.binaryStr != "00001") {
+                return "Card entropy as binary has leading zeros";
+            }
+        }
+        catch (e) {
+            return e.message;
         }
         // 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";
+        try {
+            e = Entropy.fromString("aj;se ifj; ask,dfv js;ifj");
+            if (e.binaryStr.length >= 30) {
+                return "Keyboard mashing should produce weak entropy";
+            }
         }
-        return false;
+        catch (e) {
+            return e.message;
+        }
+        // Card entropy is used if every pair could be a card
+        try {
+            e = Entropy.fromString("4c3c2c");
+            if (e.base.str != "card") {
+                return "Card entropy not used if all pairs are cards";
+            }
+        }
+        catch (e) {
+            return e.message;
+        }
+        // Card entropy uses base 52
+        // [ cards, binary ]
+        try {
+            var cards = [
+                [ "ac", "00000" ],
+                [ "acac", "00000000000" ],
+                [ "acac2c", "00000000000000001" ],
+                [ "acks", "00000110011" ],
+                [ "acacks", "00000000000110011" ],
+                [ "2c", "00001" ],
+                [ "3d", "01111" ],
+                [ "4h", "11101" ],
+                [ "5s", "101011" ],
+                [ "6c", "00101" ],
+                [ "7d", "10011" ],
+                [ "8h", "100001" ],
+                [ "9s", "101111" ],
+                [ "tc", "01001" ],
+                [ "jd", "10111" ],
+                [ "qh", "100101" ],
+                [ "ks", "110011" ],
+                [ "ks2c", "101001011101" ],
+                [ "KS2C", "101001011101" ],
+            ];
+            for (var i=0; i<cards.length; i++) {
+                var card = cards[i][0];
+                var result = cards[i][1];
+                e = Entropy.fromString(card);
+                console.log(e.binary + " " + result);
+                if (e.binaryStr !== result) {
+                    return "card entropy not parsed correctly: " + result + " != " + e.binaryStr;
+                }
+            }
+        }
+        catch (e) {
+            return e.message;
+        }
+        return "PASS";
     });
-    if (error) {
+    if (response != "PASS") {
         console.log("Entropy unit tests");
-        console.log(error);
+        console.log(response);
         fail();
     };
     next();
@@ -2158,6 +2304,7 @@ page.open(url, function(status) {
         "dice",
         "base 10",
         "hexadecimal",
+        "cards",
     ];
     for (var i=0; i<options.length; i++) {
         var option = options[i];
@@ -2317,7 +2464,7 @@ page.open(url, function(status) {
         var entropyText = page.evaluate(function() {
             return $(".entropy-container").text();
         });
-        if (entropyText.indexOf("012345") == -1) {
+        if (entropyText.indexOf("123450") == -1) {
             console.log("Dice entropy is not shown to user as base 6 value");
             fail();
         }
@@ -2338,11 +2485,11 @@ page.open(url, function(status) {
         [ "0000 0000 0000 0000 0000", "20" ],
         [ "0", "1" ],
         [ "0000", "4" ],
-        [ "6", "3" ],
-        [ "7", "3" ],
+        [ "6", "2" ], // 6 in card is 0 in base 6, 0 in base 6 is 2.6 bits (rounded down to 2 bits)
+        [ "7", "3" ], // 7 in base 10 is 111 in base 2, no leading zeros
         [ "8", "4" ],
         [ "F", "4" ],
-        [ "29", "5" ],
+        [ "29", "6" ],
         [ "0A", "8" ],
         [ "1A", "8" ], // hex is always multiple of 4 bits of entropy
         [ "2A", "8" ],
@@ -2350,11 +2497,13 @@ page.open(url, function(status) {
         [ "8A", "8" ],
         [ "FA", "8" ],
         [ "000A", "16" ],
-        [ "2220", "10" ],
-        [ "2221", "9" ], // uses dice, so entropy is actually 1110
-        [ "2227", "12" ],
+        [ "5555", "11" ],
+        [ "6666", "10" ], // uses dice, so entropy is actually 0000 in base 6, which is 4 lots of 2.58 bits, which is 10.32 bits (rounded down to 10 bits)
+        [ "2227", "13" ], // Uses base 10, which is 4 lots of 3.32 bits, which is 13.3 bits (rounded down to 13)
         [ "222F", "16" ],
         [ "FFFF", "16" ],
+        [ "0000101017", "33" ], // 10 events at 3.32 bits per event
+        [ "ac2c3c4c5c6c7c8c9ctcjcqckcad2d3d4d5d6d7d8d9dtdjdqdkdah2h3h4h5h6h7h8h9hthjhqhkhas2s3s4s5s6s7s8s9stsjsqsks", "226" ], // cards are not replaced, so a full deck is not 52^52 entropy which is 296 bits, it's 52!, which is 226 bits
     ]
     // use entropy
     page.evaluate(function(e) {
@@ -2371,11 +2520,10 @@ page.open(url, function(status) {
         // check the number of bits of entropy is shown
         waitForEntropyFeedback(function() {
             var entropyText = page.evaluate(function() {
-                return $(".entropy-error").text();
+                return $(".entropy-container").text();
             });
-            if (entropyText.indexOf("Have " + expected + " bits of entropy") == -1) {
+            if (entropyText.replace(/\s/g,"").indexOf("Bits" + expected) == -1) {
                 console.log("Accumulated entropy is not shown correctly for " + entropy);
-                console.log(entropyText);
                 fail();
             }
             var isLastTest = i == tests.length - 1;
@@ -2391,93 +2539,200 @@ page.open(url, function(status) {
 });
 },
 
-// 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
-    waitForEntropyFeedback(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
+// There is feedback provided about the supplied entropy
 function() {
 page.open(url, function(status) {
     var tests = [
         {
             entropy: "A",
+            filtered: "A",
+            type: "hexadecimal",
+            events: 1,
+            bits: 4,
             words: 0,
-            nextStrength: "an extremely weak",
+            strength: "extremely weak",
         },
         {
             entropy: "AAAAAAAA",
+            filtered: "AAAAAAAA",
+            type: "hexadecimal",
+            events: 8,
+            bits: 32,
             words: 3,
-            nextStrength: "a very weak",
+            strength: "extremely weak",
         },
         {
             entropy: "AAAAAAAA B",
+            filtered: "AAAAAAAAB",
+            type: "hexadecimal",
+            events: 9,
+            bits: 36,
             words: 3,
-            nextStrength: "a very weak",
+            strength: "extremely weak",
         },
         {
             entropy: "AAAAAAAA BBBBBBBB",
+            filtered: "AAAAAAAABBBBBBBB",
+            type: "hexadecimal",
+            events: 16,
+            bits: 64,
             words: 6,
-            nextStrength: "a weak",
+            strength: "very weak",
         },
         {
             entropy: "AAAAAAAA BBBBBBBB CCCCCCCC",
+            filtered: "AAAAAAAABBBBBBBBCCCCCCCC",
+            type: "hexadecimal",
+            events: 24,
+            bits: 96,
             words: 9,
-            nextStrength: "a strong",
+            strength: "weak",
         },
         {
             entropy: "AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD",
+            filtered: "AAAAAAAABBBBBBBBCCCCCCCCDDDDDDDD",
+            type: "hexadecimal",
+            events: 32,
+            bits: 128,
             words: 12,
-            nextStrength: "a very strong",
+            strength: "easily cracked",
         },
         {
-            entropy: "AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD EEEEEEEE",
+            entropy: "AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDA",
+            filtered: "AAAAAAAABBBBBBBBCCCCCCCCDDDDDDDA",
+            type: "hexadecimal",
+            events: 32,
+            bits: 128,
+            words: 12,
+            strength: "strong",
+        },
+        {
+            entropy: "AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDA EEEEEEEE",
+            filtered: "AAAAAAAABBBBBBBBCCCCCCCCDDDDDDDAEEEEEEEE",
+            type: "hexadecimal",
+            events: 40,
+            bits: 160,
             words: 15,
-            nextStrength: "an extremely strong",
-        }
+            strength: "very strong",
+        },
+        {
+            entropy: "AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDA EEEEEEEE FFFFFFFF",
+            filtered: "AAAAAAAABBBBBBBBCCCCCCCCDDDDDDDAEEEEEEEEFFFFFFFF",
+            type: "hexadecimal",
+            events: 48,
+            bits: 192,
+            words: 18,
+            strength: "extremely strong",
+        },
+        {
+            entropy: "7d",
+            type: "card",
+            events: 1,
+            bits: 5,
+            words: 0,
+            strength: "extremely weak",
+        },
+        {
+            entropy: "ac2c3c4c5c6c7c8c9ctcjcqckcad2d3d4d5d6d7d8d9dtdjdqdkdah2h3h4h5h6h7h8h9hthjhqhkhas2s3s4s5s6s7s8s9stsjsqsks",
+            type: "card (full deck)",
+            events: 52,
+            bits: 226,
+            words: 27,
+            strength: "extremely strong",
+        },
+        {
+            entropy: "ac2c3c4c5c6c7c8c9ctcjcqckcad2d3d4d5d6d7d8d9dtdjdqdkdah2h3h4h5h6h7h8h9hthjhqhkhas2s3s4s5s6s7s8s9stsjsqsks3d",
+            type: "card (full deck, 1 duplicate: 3d)",
+            events: 53,
+            bits: 226,
+            words: 27,
+            strength: "extremely strong",
+        },
+        {
+            entropy: "ac2c3c4c5c6c7c8c9ctcjcqckcad2d3d4d5d6d7d8d9dtdjdqdkdah2h3h4h5h6h7h8h9hthjhqhkhas2s3s4s5s6s7s8s9stsjsqs3d4d",
+            type: "card (2 duplicates: 3d 4d)",
+            events: 53,
+            bits: 226,
+            words: 27,
+            strength: "extremely strong",
+        },
+        {
+            entropy: "ac2c3c4c5c6c7c8c9ctcjcqckcad2d3d4d5d6d7d8d9dtdjdqdkdah2h3h4h5h6h7h8h9hthjhqhkhas2s3s4s5s6s7s8s9stsjsqs3d4d5d6d",
+            type: "card (4 duplicates: 3d 4d 5d...)",
+            events: 53,
+            bits: 226,
+            words: 27,
+            strength: "extremely strong",
+        },
+        // Next test was throwing uncaught error in zxcvbn
+        {
+            entropy: "ac2c3c4c5c6c7c8c9ctcjcqckcad2d3d4d5d6d7d8d9dtdjdqdkdah2h3h4h5h6h7h8h9hthjhqhkhas2s3s4s5s6s7s8s9stsjsqsksac2c3c4c5c6c7c8c9ctcjcqckcad2d3d4d5d6d7d8d9dtdjdqdkdah2h3h4h5h6h7h8h9hthjhqhkhas2s3s4s5s6s7s8s9stsjsqsks",
+            type: "card (full deck, 52 duplicates: ac 2c 3c...)",
+            events: 104,
+            bits: 226,
+            words: 54,
+            strength: "extremely strong",
+        },
     ];
     // use entropy
     page.evaluate(function() {
         $(".use-entropy").prop("checked", true).trigger("change");
     });
     var nextTest = function runNextTest(i) {
+        function getFeedbackError(expected, actual) {
+            if ("filtered" in expected && actual.indexOf(expected.filtered) == -1) {
+                return "Filtered value not in feedback";
+            }
+            if (actual.indexOf(expected.type) == -1) {
+                return "Entropy type not in feedback";
+            }
+            if (actual.indexOf(expected.events) == -1) {
+                return "Event count not in feedback";
+            }
+            if (actual.indexOf(expected.bits) == -1) {
+                return "Bit count not in feedback";
+            }
+            if (actual.indexOf(expected.strength) == -1) {
+                return "Strength not in feedback";
+            }
+            return false;
+        }
         test = tests[i];
         page.evaluate(function(e) {
             $(".addresses").empty();
             $(".phrase").val("");
             $(".entropy").val(e).trigger("input");
         }, test.entropy);
-        if (test.words == 0) {
+        waitForEntropyFeedback(function() {
             var mnemonic = page.evaluate(function() {
                 return $(".phrase").val();
             });
-            if (mnemonic.length > 0) {
-                console.log("Mnemonic length for " + test.nextStrength + " strength is not " + test.words);
-                console.log("Mnemonic: " + mnemonic);
+            // Check mnemonic length
+            if (test.words == 0) {
+                if (mnemonic.length > 0) {
+                    console.log("Mnemonic length for " + test.strength + " strength is not " + test.words);
+                    console.log("Mnemonic: " + mnemonic);
+                    fail();
+                }
+            }
+            else {
+                if (mnemonic.split(" ").length != test.words) {
+                    console.log("Mnemonic length for " + test.strength + " strength is not " + test.words);
+                    console.log("Mnemonic: " + mnemonic);
+                    fail();
+                }
+            }
+            // check feedback
+            var feedback = page.evaluate(function() {
+                return $(".entropy-container").text();
+            });
+            var feedbackError = getFeedbackError(test, feedback);
+            if (feedbackError) {
+                console.log("Entropy feedback for " + test.entropy + " returned error");
+                console.log(feedbackError);
                 fail();
             }
+            // Run next test
             var isLastTest = i == tests.length - 1;
             if (isLastTest) {
                 next();
@@ -2485,49 +2740,21 @@ page.open(url, function(status) {
             else {
                 runNextTest(i+1);
             }
-        }
-        else {
-            waitForGenerate(function() {
-                // check the strength of the current mnemonic
-                var mnemonic = page.evaluate(function() {
-                    return $(".phrase").val();
-                });
-                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
+// Entropy is truncated from the left
 function() {
 page.open(url, function(status) {
-    var expected = "abandon abandon ability";
+    var expected = "avocado zoo zone";
     // 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 += "11111111 11111111 11111111 1111"; // Missing last byte
         $(".entropy").val(entropy).trigger("input");
     });
     // check the entropy is truncated from the right
@@ -2578,16 +2805,14 @@ page.open(url, function(status) {
 // 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";
+    var expected = "train then jungle barely whip fiber purpose puppy eagle cloud clump hospital robot brave balcony utility detect estate old green desk skill multiply virus";
     // use entropy
     page.evaluate(function() {
         $(".use-entropy").prop("checked", true).trigger("change");
-        var entropy  = "123450123450123450123450123450123450123450123450123450123450123450123450123450123450123450123450123";
+        var entropy  = "543210543210543210543210543210543210543210543210543210543210543210543210543210543210543210543210543";
         $(".entropy").val(entropy).trigger("input");
     });
     // check the mnemonic matches the expected value from bip32jp
@@ -2645,6 +2870,31 @@ page.open(url, function(status) {
 });
 },
 
+// Mnemonic length can be selected even for weak entropy
+function() {
+page.open(url, function(status) {
+    // use entropy
+    page.evaluate(function() {
+        $(".use-entropy").prop("checked", true).trigger("change");
+        $(".entropy").val("012345");
+        $(".mnemonic-length").val("18").trigger("change");
+    });
+    // check the mnemonic is the correct length
+    waitForGenerate(function() {
+        var phrase = page.evaluate(function() {
+            return $(".phrase").val();
+        });
+        var numberOfWords = phrase.split(/\s/g).length;
+        if (numberOfWords != 18) {
+            console.log("Weak entropy cannot be overridden to give 18 word mnemonic");
+            console.log(phrase);
+            fail();
+        }
+        next();
+    });
+});
+},
+
 // If you wish to add more tests, do so here...
 
 // Here is a blank test template