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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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 |
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281 testTraceNativeConstructor(RegExp); // Does ToString on argument. | 281 testTraceNativeConstructor(RegExp); // Does ToString on argument. |
282 testTraceNativeConstructor(Date); // Does ToNumber on argument. | 282 testTraceNativeConstructor(Date); // Does ToNumber on argument. |
283 | 283 |
284 // Omitted because QuickSort has builtins object as receiver, and is non-native | 284 // Omitted because QuickSort has builtins object as receiver, and is non-native |
285 // builtin. | 285 // builtin. |
286 testOmittedBuiltin(function(){ [thrower, 2].sort(function (a,b) { | 286 testOmittedBuiltin(function(){ [thrower, 2].sort(function (a,b) { |
287 (b < a) - (a < b); }); | 287 (b < a) - (a < b); }); |
288 }, "QuickSort"); | 288 }, "QuickSort"); |
289 | 289 |
290 // Omitted because ADD from runtime.js is non-native builtin. | 290 // Omitted because ADD from runtime.js is non-native builtin. |
291 testOmittedBuiltin(function(){ thrower + 2; }, "ADD"); | 291 testOmittedBuiltin(function(){ thrower + 2; }, "ADD"); |
292 | |
293 var error = new Error(); | |
294 error.toString = function() { assertUnreachable(); }; | |
295 error.stack; | |
296 | |
297 error = new Error(); | |
298 error.name = { toString: function() { assertUnreachable(); }}; | |
299 error.message = { toString: function() { assertUnreachable(); }}; | |
300 error.stack; | |
301 | |
302 error = new Error(); | |
303 Array.prototype.push = function(x) { assertUnreachable(); }; | |
304 Array.prototype.join = function(x) { assertUnreachable(); }; | |
305 error.stack; | |
306 | |
307 var fired = false; | |
308 error = new Error({ toString: function() { fired = true; } }); | |
309 assertTrue(fired); | |
310 error.stack; | |
311 assertTrue(fired); | |
312 | |
313 // Check that throwing exception in a custom stack trace formatting function | |
314 // does not lead to recursion. | |
315 Error.prepareStackTrace = function() { throw new Error("abc"); }; | |
316 var message; | |
317 try { | |
318 throw new Error(); | |
319 } catch (e) { | |
320 message = e.message; | |
321 } | |
322 | |
323 assertEquals("abc", message); | |
324 | |
325 // Test that modifying Error.prepareStackTrace by itself works. | |
326 Error.prepareStackTrace = function() { Error.prepareStackTrace = "custom"; }; | |
327 new Error(); | |
328 | |
329 assertEquals("custom", Error.prepareStackTrace); | |
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