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Diffstat (limited to 'deps/v8/test/mjsunit/regress/regress-675.js')
| -rw-r--r-- | deps/v8/test/mjsunit/regress/regress-675.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-675.js b/deps/v8/test/mjsunit/regress/regress-675.js new file mode 100644 index 0000000000..19ca646f61 --- /dev/null +++ b/deps/v8/test/mjsunit/regress/regress-675.js @@ -0,0 +1,61 @@ +// 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. + +// Regression test for http://code.google.com/p/v8/issues/detail?id=675. +// +// Test that load ICs for nonexistent properties check global +// property cells. + +function f() { return this.x; } + +// Initialize IC for nonexistent x property on global object. +f(); +f(); + +// Assign to global property cell for x. +this.x = 23; + +// Check that we bail out from the IC. +assertEquals(23, f()); + + +// Same test, but test that the global property cell is also checked +// if the global object is the last object in the prototype chain for +// the load. +this.__proto__ = null; +function g() { return this.y; } + +// Initialize IC. +g(); +g(); + +// Update global property cell. +this.y = 42; + +// Check that IC bails out. +assertEquals(42, g()); + |