| // 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 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]); |
| } |
| |
| // Utility function for testing that the expected strings occur |
| // in the stack trace produced when running the given function. |
| function testTrace(fun, expected) { |
| var threw = false; |
| try { |
| fun(); |
| } catch (e) { |
| for (var i = 0; i < expected.length; i++) { |
| assertTrue(e.stack.indexOf(expected[i]) != -1); |
| } |
| threw = true; |
| } |
| assertTrue(threw); |
| } |
| |
| // 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')); |
| threw = true; |
| } |
| assertTrue(threw); |
| } |
| |
| // 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); |
| threw = true; |
| } |
| assertTrue(threw); |
| } |
| |
| // 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); |
| } |
| assertTrue(threw); |
| 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); |
| } |
| assertTrue(threw); |
| } |
| |
| testTrace(testArrayNative, ["Array.map (native)"]); |
| testTrace(testNested, ["at one", "at two", "at three"]); |
| testTrace(testMethodNameInference, ["at Foo.bar"]); |
| testTrace(testImplicitConversion, ["at Nirk.valueOf"]); |
| testTrace(testEval, ["at Doo (eval at testEval"]); |
| testTrace(testNestedEval, ["eval at Inner (eval at Outer"]); |
| testTrace(testValue, ["at Number.causeError"]); |
| testTrace(testConstructor, ["new Plonk"]); |
| testTrace(testRenamedMethod, ["Wookie.a$b$c$d [as d]"]); |
| testTrace(testAnonymousMethod, ["Array.<anonymous>"]); |
| |
| testCallerCensorship(); |
| testUnintendedCallerCensorship(); |
| testErrorsDuringFormatting(); |