v8/test/mjsunit/regress/regress-2110.js
jkummerow@chromium.org f6dacfe83a Fixed corner cases in truncation behavior when storing to TypedArrays.
Also simplified ia32 KeyedStoreStubCompiler::GenerateStoreExternalArray a bit.

BUG=v8:2110
TEST=mjsunit/regress/regress-2110

Review URL: https://chromiumcodereview.appspot.com/10260011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-04-30 15:17:59 +00:00

54 lines
2.0 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.
// Flags: --allow-natives-syntax
var uint8 = new Uint8Array(1);
function test() {
uint8[0] = 0x800000aa;
assertEquals(0xaa, uint8[0]);
}
test();
test();
test();
%OptimizeFunctionOnNextCall(test);
test();
var uint32 = new Uint32Array(1);
function test2() {
uint32[0] = 0x80123456789abcde;
assertEquals(0x789ac000, uint32[0]);
}
test2();
test2();
%OptimizeFunctionOnNextCall(test2);
test2();