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Issue 524059: Speed up compares with characters ie single-character strings.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 11 months ago
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1 // Copyright 2008 the V8 project authors. All rights reserved. 1 // Copyright 2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 24 matching lines...) Expand all
35 assertFalse(NaN <= x, "NaN <= " + x); 35 assertFalse(NaN <= x, "NaN <= " + x);
36 assertFalse(NaN >= x, "NaN >= " + x); 36 assertFalse(NaN >= x, "NaN >= " + x);
37 37
38 assertFalse(x == NaN, "" + x + " == NaN"); 38 assertFalse(x == NaN, "" + x + " == NaN");
39 assertFalse(x === NaN, "" + x + " === NaN"); 39 assertFalse(x === NaN, "" + x + " === NaN");
40 assertFalse(x < NaN, "" + x + " < NaN"); 40 assertFalse(x < NaN, "" + x + " < NaN");
41 assertFalse(x > NaN, "" + x + " > NaN"); 41 assertFalse(x > NaN, "" + x + " > NaN");
42 assertFalse(x <= NaN, "" + x + " <= NaN"); 42 assertFalse(x <= NaN, "" + x + " <= NaN");
43 assertFalse(x >= NaN, "" + x + " >= NaN"); 43 assertFalse(x >= NaN, "" + x + " >= NaN");
44 } 44 }
45
46 var b = ["NaN", "-1", "0", "1", "1.2", "-7.9", "true", "false", "'foo'", "'0'",
47 "'NaN'" ];
48 for (var i in b) {
49 var x = b[i];
50 var program =
51 "assertFalse(NaN == " + x + ", 'NaN == ' + " + x + ");\n" +
52 "assertFalse(NaN === " + x + ", 'NaN === ' + " + x + ");\n" +
53 "assertFalse(NaN < " + x + ", 'NaN < ' + " + x + ");\n" +
54 "assertFalse(NaN > " + x + ", 'NaN > ' + " + x + ");\n" +
55 "assertFalse(NaN <= " + x + ", 'NaN <= ' + " + x + ");\n" +
56 "assertFalse(NaN >= " + x + ", 'NaN >= ' + " + x + ");\n" +
57
58 "assertFalse(" + x + " == NaN, '' + " + x + " + ' == NaN');\n" +
59 "assertFalse(" + x + " === NaN, '' + " + x + " + ' === NaN');\n" +
60 "assertFalse(" + x + " < NaN, '' + " + x + " + ' < NaN');\n" +
61 "assertFalse(" + x + " > NaN, '' + " + x + " + ' > NaN');\n" +
62 "assertFalse(" + x + " <= NaN, '' + " + x + " + ' <= NaN');\n" +
63 "assertFalse(" + x + " >= NaN, '' + " + x + " + ' >= NaN');\n";
64 eval(program);
65 }
66
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