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-// Copyright 2009 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-function testMethodNameInference() {
- function Foo() { }
- Foo.prototype.bar = function () { FAIL; };
- (new Foo).bar();
-}
-
-function testNested() {
- function one() {
- function two() {
- function three() {
- FAIL;
- }
- three();
- }
- two();
- }
- one();
-}
-
-function testArrayNative() {
- [1, 2, 3].map(function () { FAIL; });
-}
-
-function testImplicitConversion() {
- function Nirk() { }
- Nirk.prototype.valueOf = function () { FAIL; };
- return 1 + (new Nirk);
-}
-
-function testEval() {
- eval("function Doo() { FAIL; }; Doo();");
-}
-
-function testNestedEval() {
- var x = "FAIL";
- eval("function Outer() { eval('function Inner() { eval(x); }'); Inner(); }; Outer();");
-}
-
-function testEvalWithSourceURL() {
- eval("function Doo() { FAIL; }; Doo();\n//@ sourceURL=res://name");
-}
-
-function testNestedEvalWithSourceURL() {
- var x = "FAIL";
- var innerEval = 'function Inner() { eval(x); }\n//@ sourceURL=res://inner-eval';
- eval("function Outer() { eval(innerEval); Inner(); }; Outer();\n//@ sourceURL=res://outer-eval");
-}
-
-function testValue() {
- Number.prototype.causeError = function () { FAIL; };
- (1).causeError();
-}
-
-function testConstructor() {
- function Plonk() { FAIL; }
- new Plonk();
-}
-
-function testRenamedMethod() {
- function a$b$c$d() { return FAIL; }
- function Wookie() { }
- Wookie.prototype.d = a$b$c$d;
- (new Wookie).d();
-}
-
-function testAnonymousMethod() {
- (function () { FAIL }).call([1, 2, 3]);
-}
-
-function CustomError(message, stripPoint) {
- this.message = message;
- Error.captureStackTrace(this, stripPoint);
-}
-
-CustomError.prototype.toString = function () {
- return "CustomError: " + this.message;
-};
-
-function testDefaultCustomError() {
- throw new CustomError("hep-hey", undefined);
-}
-
-function testStrippedCustomError() {
- throw new CustomError("hep-hey", CustomError);
-}
-
-MyObj = function() { FAIL; }
-
-MyObjCreator = function() {}
-
-MyObjCreator.prototype.Create = function() {
- return new MyObj();
-}
-
-function testClassNames() {
- (new MyObjCreator).Create();
-}
-
-// Utility function for testing that the expected strings occur
-// in the stack trace produced when running the given function.
-function testTrace(name, fun, expected, unexpected) {
- var threw = false;
- try {
- fun();
- } catch (e) {
- for (var i = 0; i < expected.length; i++) {
- assertTrue(e.stack.indexOf(expected[i]) != -1,
- name + " doesn't contain expected[" + i + "] stack = " + e.stack);
- }
- if (unexpected) {
- for (var i = 0; i < unexpected.length; i++) {
- assertEquals(e.stack.indexOf(unexpected[i]), -1,
- name + " contains unexpected[" + i + "]");
- }
- }
- threw = true;
- }
- assertTrue(threw, name + " didn't throw");
-}
-
-// Test that the error constructor is not shown in the trace
-function testCallerCensorship() {
- var threw = false;
- try {
- FAIL;
- } catch (e) {
- assertEquals(-1, e.stack.indexOf('at new ReferenceError'),
- "CallerCensorship contained new ReferenceError");
- threw = true;
- }
- assertTrue(threw, "CallerCensorship didn't throw");
-}
-
-// Test that the explicit constructor call is shown in the trace
-function testUnintendedCallerCensorship() {
- var threw = false;
- try {
- new ReferenceError({
- toString: function () {
- FAIL;
- }
- });
- } catch (e) {
- assertTrue(e.stack.indexOf('at new ReferenceError') != -1,
- "UnintendedCallerCensorship didn't contain new ReferenceError");
- threw = true;
- }
- assertTrue(threw, "UnintendedCallerCensorship didn't throw");
-}
-
-// If an error occurs while the stack trace is being formatted it should
-// be handled gracefully.
-function testErrorsDuringFormatting() {
- function Nasty() { }
- Nasty.prototype.foo = function () { throw new RangeError(); };
- var n = new Nasty();
- n.__defineGetter__('constructor', function () { CONS_FAIL; });
- var threw = false;
- try {
- n.foo();
- } catch (e) {
- threw = true;
- assertTrue(e.stack.indexOf('<error: ReferenceError') != -1,
- "ErrorsDuringFormatting didn't contain error: ReferenceError");
- }
- assertTrue(threw, "ErrorsDuringFormatting didn't throw");
- threw = false;
- // Now we can't even format the message saying that we couldn't format
- // the stack frame. Put that in your pipe and smoke it!
- ReferenceError.prototype.toString = function () { NESTED_FAIL; };
- try {
- n.foo();
- } catch (e) {
- threw = true;
- assertTrue(e.stack.indexOf('<error>') != -1,
- "ErrorsDuringFormatting didn't contain <error>");
- }
- assertTrue(threw, "ErrorsDuringFormatting didnt' throw (2)");
-}
-
-
-// Poisonous object that throws a reference error if attempted converted to
-// a primitive values.
-var thrower = { valueOf: function() { FAIL; },
- toString: function() { FAIL; } };
-
-// Tests that a native constructor function is included in the
-// stack trace.
-function testTraceNativeConstructor(nativeFunc) {
- var nativeFuncName = nativeFunc.name;
- try {
- new nativeFunc(thrower);
- assertUnreachable(nativeFuncName);
- } catch (e) {
- assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName);
- }
-}
-
-// Tests that a native conversion function is included in the
-// stack trace.
-function testTraceNativeConversion(nativeFunc) {
- var nativeFuncName = nativeFunc.name;
- try {
- nativeFunc(thrower);
- assertUnreachable(nativeFuncName);
- } catch (e) {
- assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName);
- }
-}
-
-
-function testOmittedBuiltin(throwing, omitted) {
- try {
- throwing();
- assertUnreachable(omitted);
- } catch (e) {
- assertTrue(e.stack.indexOf(omitted) < 0, omitted);
- }
-}
-
-
-testTrace("testArrayNative", testArrayNative, ["Array.map (native)"]);
-testTrace("testNested", testNested, ["at one", "at two", "at three"]);
-testTrace("testMethodNameInference", testMethodNameInference, ["at Foo.bar"]);
-testTrace("testImplicitConversion", testImplicitConversion, ["at Nirk.valueOf"]);
-testTrace("testEval", testEval, ["at Doo (eval at testEval"]);
-testTrace("testNestedEval", testNestedEval, ["eval at Inner (eval at Outer"]);
-testTrace("testEvalWithSourceURL", testEvalWithSourceURL,
- [ "at Doo (res://name:1:18)" ]);
-testTrace("testNestedEvalWithSourceURL", testNestedEvalWithSourceURL,
- [" at Inner (res://inner-eval:1:20)",
- " at Outer (res://outer-eval:1:37)"]);
-testTrace("testValue", testValue, ["at Number.causeError"]);
-testTrace("testConstructor", testConstructor, ["new Plonk"]);
-testTrace("testRenamedMethod", testRenamedMethod, ["Wookie.a$b$c$d [as d]"]);
-testTrace("testAnonymousMethod", testAnonymousMethod, ["Array.<anonymous>"]);
-testTrace("testDefaultCustomError", testDefaultCustomError,
- ["hep-hey", "new CustomError"],
- ["collectStackTrace"]);
-testTrace("testStrippedCustomError", testStrippedCustomError, ["hep-hey"],
- ["new CustomError", "collectStackTrace"]);
-testTrace("testClassNames", testClassNames,
- ["new MyObj", "MyObjCreator.Create"], ["as Create"]);
-testCallerCensorship();
-testUnintendedCallerCensorship();
-testErrorsDuringFormatting();
-
-testTraceNativeConversion(String); // Does ToString on argument.
-testTraceNativeConversion(Number); // Does ToNumber on argument.
-testTraceNativeConversion(RegExp); // Does ToString on argument.
-
-testTraceNativeConstructor(String); // Does ToString on argument.
-testTraceNativeConstructor(Number); // Does ToNumber on argument.
-testTraceNativeConstructor(RegExp); // Does ToString on argument.
-testTraceNativeConstructor(Date); // Does ToNumber on argument.
-
-// Omitted because QuickSort has builtins object as receiver, and is non-native
-// builtin.
-testOmittedBuiltin(function(){ [thrower, 2].sort(function (a,b) {
- (b < a) - (a < b); });
- }, "QuickSort");
-
-// Omitted because ADD from runtime.js is non-native builtin.
-testOmittedBuiltin(function(){ thrower + 2; }, "ADD");
-
-var error = new Error();
-error.toString = function() { assertUnreachable(); };
-error.stack;
-
-error = new Error();
-error.name = { toString: function() { assertUnreachable(); }};
-error.message = { toString: function() { assertUnreachable(); }};
-error.stack;
-
-error = new Error();
-Array.prototype.push = function(x) { assertUnreachable(); };
-Array.prototype.join = function(x) { assertUnreachable(); };
-error.stack;
-
-var fired = false;
-error = new Error({ toString: function() { fired = true; } });
-assertTrue(fired);
-error.stack;
-assertTrue(fired);
-
-// Check that throwing exception in a custom stack trace formatting function
-// does not lead to recursion.
-Error.prepareStackTrace = function() { throw new Error("abc"); };
-var message;
-try {
- throw new Error();
-} catch (e) {
- message = e.message;
-}
-
-assertEquals("abc", message);
-
-// Test that modifying Error.prepareStackTrace by itself works.
-Error.prepareStackTrace = function() { Error.prepareStackTrace = "custom"; };
-new Error();
-
-assertEquals("custom", Error.prepareStackTrace);