1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 // Flags: --builtins-in-stack-traces
31 // Poisonous object that throws a reference error if attempted converted to
32 // a primitive values.
33 var thrower = { valueOf: function() { FAIL; },
34 toString: function() { FAIL; } };
36 // Tests that a native constructor function is included in the
38 function testTraceNativeConstructor(nativeFunc) {
39 var nativeFuncName = nativeFunc.name;
41 new nativeFunc(thrower);
42 assertUnreachable(nativeFuncName);
44 assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName);
48 // Tests that a native conversion function is included in the
50 function testTraceNativeConversion(nativeFunc) {
51 var nativeFuncName = nativeFunc.name;
54 assertUnreachable(nativeFuncName);
56 assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName);
61 function testNotOmittedBuiltin(throwing, included) {
64 assertUnreachable(included);
66 assertTrue(e.stack.indexOf(included) >= 0, included);
71 testTraceNativeConversion(String); // Does ToString on argument.
72 testTraceNativeConversion(Number); // Does ToNumber on argument.
73 testTraceNativeConversion(RegExp); // Does ToString on argument.
75 testTraceNativeConstructor(String); // Does ToString on argument.
76 testTraceNativeConstructor(Number); // Does ToNumber on argument.
77 testTraceNativeConstructor(RegExp); // Does ToString on argument.
78 testTraceNativeConstructor(Date); // Does ToNumber on argument.
80 // QuickSort has builtins object as receiver, and is non-native
81 // builtin. Should not be omitted with the --builtins-in-stack-traces flag.
82 testNotOmittedBuiltin(function(){ [thrower, 2].sort(function (a,b) {
83 (b < a) - (a < b); });
86 // Not omitted even though ADD from runtime.js is a non-native builtin.
87 testNotOmittedBuiltin(function(){ thrower + 2; }, "ADD");