5ea0364a6a
Review URL: http://codereview.chromium.org/6696037 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7183 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
84 lines
3.8 KiB
JavaScript
84 lines
3.8 KiB
JavaScript
// Copyright 2010 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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function non_int32() {
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return 2600822924; // It's not a signed Int32.
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}
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function hidden_smi() {
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return 46512102; // It's a Smi
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}
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function hidden_int32() {
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return 1600822924; // It's a signed Int32.
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}
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function f() {
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var x = non_int32(); // Not a constant.
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var y = hidden_smi(); // Not a constant.
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var z = hidden_int32();
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assertEquals(46512102 & 2600822924, 46512102 & x, "1");
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assertEquals(1600822924 & 2600822924, 1600822924 & x, "2");
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assertEquals(2600822924 & 2600822924, 2600822924 & x, "3");
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assertEquals(46512102 & 46512102, 46512102 & y, "4");
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assertEquals(1600822924 & 46512102, 1600822924 & y, "5");
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assertEquals(2600822924 & 46512102, 2600822924 & y, "6");
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assertEquals(46512102 & 1600822924, 46512102 & z, "7");
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assertEquals(1600822924 & 1600822924, 1600822924 & z, "8");
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assertEquals(2600822924 & 1600822924, 2600822924 & z, "9");
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assertEquals(46512102 & 2600822924, y & x, "10");
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assertEquals(1600822924 & 2600822924, z & x, "11");
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assertEquals(46512102 & 2600822924, x & 46512102, "1rev");
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assertEquals(1600822924 & 2600822924, x & 1600822924, "2rev");
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assertEquals(2600822924 & 2600822924, x & 2600822924, "3rev");
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assertEquals(46512102 & 46512102, y & 46512102, "4rev");
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assertEquals(1600822924 & 46512102, y & 1600822924, "5rev");
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assertEquals(2600822924 & 46512102, y & 2600822924, "6rev");
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assertEquals(46512102 & 1600822924, z & 46512102, "7rev");
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assertEquals(1600822924 & 1600822924, z & 1600822924, "8rev");
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assertEquals(2600822924 & 1600822924, z & 2600822924, "9rev");
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assertEquals(46512102 & 2600822924, x & y, "10rev");
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assertEquals(1600822924 & 2600822924, x & z, "11rev");
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assertEquals((46512102 & -0x20123456) | 1, (y & -0x20123456) | 1, "12");
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assertEquals((1600822924 & -0x20123456) | 1, (z & -0x20123456) | 1, "13");
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assertEquals((2600822924 & -0x20123456) | 1, (x & -0x20123456) | 1, "14");
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assertEquals((46512102 & -0x20123456) | 1, (-0x20123456 & y) | 1, "12rev");
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assertEquals((1600822924 & -0x20123456) | 1, (-0x20123456 & z) | 1, "13rev");
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assertEquals((2600822924 & -0x20123456) | 1, (-0x20123456 & x) | 1, "14rev");
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assertEquals(2600822924 & 2600822924, x & x, "xx");
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assertEquals(y, y & y, "yy");
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assertEquals(z, z & z, "zz");
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}
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for (var i = 0; i < 5; i++) {
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f();
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}
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