| // 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"); |