cff8c9b933
BUG=chromium:505228 LOG=Y Review URL: https://codereview.chromium.org/1219723002 Cr-Commit-Position: refs/heads/master@{#29355}
48 lines
2.2 KiB
JavaScript
48 lines
2.2 KiB
JavaScript
// Copyright 2012 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.
|
|
|
|
// Test that a function declaration cannot overwrite a read-only property.
|
|
|
|
// Flags: --es52-globals
|
|
|
|
function foobl() {}
|
|
assertTrue(typeof this.foobl == "function");
|
|
assertTrue(Object.getOwnPropertyDescriptor(this, "foobl").writable);
|
|
|
|
Object.defineProperty(this, "foobl", {value: 1, writable: false});
|
|
assertSame(1, this.foobl);
|
|
assertFalse(Object.getOwnPropertyDescriptor(this, "foobl").writable);
|
|
|
|
// This has to run in global scope, so cannot use assertThrows...
|
|
try {
|
|
eval("function foobl() {}"); // Should throw.
|
|
assertUnreachable();
|
|
} catch (e) {
|
|
assertInstanceof(e, TypeError);
|
|
}
|
|
assertSame(1, this.foobl);
|