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Edit File: regress-70066.js
// Copyright 2011 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. // Regression test for Chromium issue 70066. Delete should work properly // from inside 'with' scopes. // http://code.google.com/p/chromium/issues/detail?id=70066 x = 0; // Delete on a slot from a function's own context. function test1() { var value = 1; var status; with ({}) { status = delete value; } return value + ":" + status; } assertEquals("1:false", test1(), "test1"); assertEquals(0, x, "test1"); // Global x is undisturbed. // Delete on a slot from an outer context. function test2() { function f() { with ({}) { return delete value; } } var value = 2; var status = f(); return value + ":" + status; } assertEquals("2:false", test2(), "test2"); assertEquals(0, x, "test2"); // Global x is undisturbed. // Delete on a parameter. function test3(value) { var status; with ({}) { status = delete value; } return value + ":" + status; } assertEquals("3:false", test3(3), "test3"); assertEquals(0, x, "test3"); // Global x is undisturbed. // Delete on a parameter found in an outer context. function test4(value) { function f() { with ({}) { return delete value; } } var status = f(); return value + ":" + status; } assertEquals("4:false", test4(4), "test4"); assertEquals(0, x, "test4"); // Global x is undisturbed. // Delete on a parameter, arguments object should be unaffected. function test5(value) { var status; with ({}) { status = delete value; } return arguments[0] + ":" + status; } assertEquals("5:false", test5(5), "test5"); assertEquals(0, x, "test5"); // Global x is undisturbed. function test6(value) { function f() { with ({}) { return delete value; } } var status = f(); return arguments[0] + ":" + status; } assertEquals("6:false", test6(6), "test6"); assertEquals(0, x, "test6"); // Global x is undisturbed. // Delete on a property found on 'with' object. function test7(object) { with (object) { return delete value; } } var o = {value: 7}; assertEquals(true, test7(o), "test7"); assertEquals(void 0, o.value, "test7"); assertEquals(0, x, "test7"); // Global x is undisturbed. // Delete on a global property. function test8() { with ({}) { return delete x; } } assertEquals(true, test8(), "test8"); assertThrows("x", "test8"); // Global x should be deleted. // Delete on a property that is not found anywhere. function test9() { with ({}) { return delete x; } } assertThrows("x", "test9"); // Make sure it's not there. assertEquals(true, test9(), "test9"); // Delete on a DONT_DELETE property of the global object. var y = 10; function test10() { with ({}) { return delete y; } } assertEquals(false, test10(), "test10"); assertEquals(10, y, "test10");