JezK
Edit File: regress-conditional-position.js
// Copyright 2010 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. // Flags: --always-full-compiler var functionToCatch; var lineNumber; function catchLineNumber () { var x = {}; Error.prepareStackTrace = function (error, stackTrace) { stackTrace.some(function (frame) { if (frame.getFunction() == functionToCatch) { lineNumber = frame.getLineNumber(); return true; } return false; }); return lineNumber; }; Error.captureStackTrace(x); return x.stack; } function log() { catchLineNumber(); } function foo() {} function test1() { log(foo() == foo() ? 'a' : 'b'); } function test2() { var o = { foo: function () {}} log(o.foo() == o.foo() ? 'a' : 'b'); } function test3() { var o = { log: log, foo: function() { } }; o.log(o.foo() == o.foo() ? 'a' : 'b'); } function test(f, expectedLineNumber) { functionToCatch = f; f(); assertEquals(expectedLineNumber, lineNumber); } test(test1, 58); test(test2, 65); test(test3, 72); eval(test1.toString() + "//@ sourceUrl=foo"); eval(test2.toString() + "//@ sourceUrl=foo"); eval(test3.toString() + "//@ sourceUrl=foo"); test(test1, 2); test(test2, 3); test(test3, 3);