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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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379 | 379 |
380 // Check that repeated trace collection does not crash. | 380 // Check that repeated trace collection does not crash. |
381 error = new Error(); | 381 error = new Error(); |
382 Error.captureStackTrace(error); | 382 Error.captureStackTrace(error); |
383 | 383 |
384 // Check property descriptor. | 384 // Check property descriptor. |
385 var o = {}; | 385 var o = {}; |
386 Error.captureStackTrace(o); | 386 Error.captureStackTrace(o); |
387 assertEquals([], Object.keys(o)); | 387 assertEquals([], Object.keys(o)); |
388 var desc = Object.getOwnPropertyDescriptor(o, "stack"); | 388 var desc = Object.getOwnPropertyDescriptor(o, "stack"); |
389 assertFalse(desc.writable); | |
390 assertFalse(desc.enumerable); | 389 assertFalse(desc.enumerable); |
391 assertTrue(desc.configurable); | 390 assertTrue(desc.configurable); |
| 391 assertTrue(desc.writable); |
392 | 392 |
393 // Check that exceptions thrown within prepareStackTrace throws an exception. | 393 // Check that exceptions thrown within prepareStackTrace throws an exception. |
394 Error.prepareStackTrace = function(e, frames) { throw 42; } | 394 Error.prepareStackTrace = function(e, frames) { throw 42; } |
395 | 395 |
396 var x = {} | 396 var x = {} |
397 assertThrows(() => Error.captureStackTrace(x)); | 397 assertThrows(() => Error.captureStackTrace(x)); |
398 | 398 |
399 // Check that we don't crash when CaptureSimpleStackTrace returns undefined. | 399 // Check that we don't crash when CaptureSimpleStackTrace returns undefined. |
400 var o = {}; | 400 var o = {}; |
401 Error.stackTraceLimit = "not a number"; | 401 Error.stackTraceLimit = "not a number"; |
402 Error.captureStackTrace(o); | 402 Error.captureStackTrace(o); |
403 | 403 |
404 // Check that we don't crash when a callsite's function's script is empty. | 404 // Check that we don't crash when a callsite's function's script is empty. |
405 Error.prepareStackTrace = function(e, frames) { | 405 Error.prepareStackTrace = function(e, frames) { |
406 assertEquals(undefined, frames[0].getEvalOrigin()); | 406 assertEquals(undefined, frames[0].getEvalOrigin()); |
407 } | 407 } |
408 try { | 408 try { |
409 DataView(); | 409 DataView(); |
410 assertUnreachable(); | 410 assertUnreachable(); |
411 } catch (e) { | 411 } catch (e) { |
412 assertEquals(undefined, e.stack); | 412 assertEquals(undefined, e.stack); |
413 } | 413 } |
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