84 lines
3.3 KiB
JavaScript
84 lines
3.3 KiB
JavaScript
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// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --builtins-in-stack-traces
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// Poisonous object that throws a reference error if attempted converted to
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// a primitive values.
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var thrower = { valueOf: function() { FAIL; },
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toString: function() { FAIL; } };
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// Tests that a native constructor function is included in the
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// stack trace.
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function testTraceNativeConstructor(nativeFunc) {
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var nativeFuncName = nativeFunc.name;
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try {
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new nativeFunc(thrower);
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assertUnreachable(nativeFuncName);
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} catch (e) {
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assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName);
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}
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}
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// Tests that a native conversion function is included in the
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// stack trace.
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function testTraceNativeConversion(nativeFunc) {
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var nativeFuncName = nativeFunc.name;
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try {
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nativeFunc(thrower);
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assertUnreachable(nativeFuncName);
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} catch (e) {
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assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName);
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}
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}
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function testNotOmittedBuiltin(throwing, included) {
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try {
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throwing();
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assertUnreachable(included);
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} catch (e) {
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assertTrue(e.stack.indexOf(included) >= 0, included);
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}
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}
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testTraceNativeConversion(String); // Does ToString on argument.
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testTraceNativeConversion(Number); // Does ToNumber on argument.
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testTraceNativeConversion(RegExp); // Does ToString on argument.
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testTraceNativeConstructor(String); // Does ToString on argument.
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testTraceNativeConstructor(Number); // Does ToNumber on argument.
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testTraceNativeConstructor(RegExp); // Does ToString on argument.
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// QuickSort has builtins object as receiver, and is non-native
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// builtin. Should not be omitted with the --builtins-in-stack-traces flag.
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testNotOmittedBuiltin(function(){ [thrower, 2].sort(function (a,b) {
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(b < a) - (a < b); });
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}, "QuickSort");
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