kjs/tests/tocode.js

0001 // normalize a piece of source code
0002 function normalize(s)
0003 {
0004     return s.replace(/[ \u000A]+/g, " ").replace(/ +$/, "").replace(/^ +/, "");
0005 }
0006
0007 // compare toString() conversion of code without
0008 // taking newlines, indentation and other whitespace into account
0009 function tolerantSourceCompare(s, s2)
0010 {
0011     var expected = normalize(s2 ? s2 : s);
0012     var actual = normalize(eval("String(" + s + ")"));
0013     if (expected === actual)
0014         testPassed("Got the expected '" + expected + "'");
0015     else
0016         testFailed("Expected '" + expected + "', got '" + actual + "'");
0017 }
0018
0019 tolerantSourceCompare('function () { bar("x"); }');
0020 tolerantSourceCompare('function () { bar(/abc/i); }');
0021 var cccc = String.fromCharCode(0xCCCC);
0022 var ff = String.fromCharCode(0xFF);
0023 tolerantSourceCompare('function () { bar("' + cccc + '"); }', 'function () { bar("\\uCCCC"); }');
0024 tolerantSourceCompare('function () { var o = { "a": 1 }; }');
0025 tolerantSourceCompare('function () { var o = { "' + cccc + '": 1 }; }',
0026                       'function () { var o = { "\\uCCCC": 1 }; }');
0027 tolerantSourceCompare('function () { var a' + ff + '; }',
0028                       'function () { var a\\xFF; }');
0029 tolerantSourceCompare('function f' + ff + '() { }',
0030                       'function f\\xFF() { }');
0031
0032 tolerantSourceCompare('function () { do 1; while (false); }',
0033                       'function () { do 1; while (false); }');
0034 tolerantSourceCompare('function () { do 1; while (false) }',
0035                       'function () { do 1; while (false); }');
0036
0037
0038 var sinStr = '\nfunction sin() {\n    [native code]\n}\n'
0039 shouldBe("normalize(String(Math.sin))", "normalize(sinStr)");
0040
0041 tolerantSourceCompare('function () { [1]; }');
0042 tolerantSourceCompare('function () { [1,2]; }');
0043 tolerantSourceCompare('function () { [1,]; }');
0044 tolerantSourceCompare('function () { [1,,]; }');
0045 tolerantSourceCompare('function () { [1,,,]; }');
0046
0047 /**** non-portable JS extension
0048 tolerantSourceCompare('function () { import a.b; }');
0049 tolerantSourceCompare('function () { import a.b }',
0050                       'function () { import a.b; }');
0051 tolerantSourceCompare('function () { import a.b.*; }');
0052 tolerantSourceCompare('function () { import a.b.* }',
0053                       'function () { import a.b.*; }');
0054 tolerantSourceCompare('function () { import x = a.b.c; }');
0055 tolerantSourceCompare('function () { import x = a.b.c }',
0056                       'function () { import x = a.b.c; }');
0057 */