2011-01-24 14:03:30 +00:00
|
|
|
// 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.
|
|
|
|
|
|
|
|
|
2011-06-16 14:12:58 +00:00
|
|
|
// Delete on a parameter.
|
2011-01-24 14:03:30 +00:00
|
|
|
function test3(value) {
|
|
|
|
var status;
|
|
|
|
with ({}) { status = delete value; }
|
|
|
|
return value + ":" + status;
|
|
|
|
}
|
|
|
|
|
2011-06-16 14:12:58 +00:00
|
|
|
assertEquals("3:false", test3(3), "test3");
|
2011-01-24 14:03:30 +00:00
|
|
|
assertEquals(0, x, "test3"); // Global x is undisturbed.
|
|
|
|
|
2011-01-25 13:32:36 +00:00
|
|
|
|
2011-06-16 14:12:58 +00:00
|
|
|
// Delete on a parameter found in an outer context.
|
2011-01-24 14:03:30 +00:00
|
|
|
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.
|
|
|
|
|
|
|
|
|
2011-06-16 14:12:58 +00:00
|
|
|
// Delete on a parameter, arguments object should be unaffected.
|
2011-01-24 14:03:30 +00:00
|
|
|
function test5(value) {
|
|
|
|
var status;
|
|
|
|
with ({}) { status = delete value; }
|
|
|
|
return arguments[0] + ":" + status;
|
|
|
|
}
|
|
|
|
|
2011-06-16 14:12:58 +00:00
|
|
|
assertEquals("5:false", test5(5), "test5");
|
2011-01-24 14:03:30 +00:00
|
|
|
assertEquals(0, x, "test5"); // Global x is undisturbed.
|
|
|
|
|
|
|
|
function test6(value) {
|
|
|
|
function f() {
|
|
|
|
with ({}) { return delete value; }
|
|
|
|
}
|
|
|
|
var status = f();
|
|
|
|
return arguments[0] + ":" + status;
|
|
|
|
}
|
|
|
|
|
2011-06-16 14:12:58 +00:00
|
|
|
assertEquals("6:false", test6(6), "test6");
|
2011-01-24 14:03:30 +00:00
|
|
|
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");
|
2016-01-07 14:48:57 +00:00
|
|
|
assertThrows("x"); // Global x should be deleted.
|
2011-01-24 14:03:30 +00:00
|
|
|
|
|
|
|
|
|
|
|
// Delete on a property that is not found anywhere.
|
|
|
|
function test9() {
|
|
|
|
with ({}) { return delete x; }
|
|
|
|
}
|
|
|
|
|
2016-01-07 14:48:57 +00:00
|
|
|
assertThrows("x"); // Make sure it's not there.
|
2011-01-24 14:03:30 +00:00
|
|
|
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");
|