efc26f9b2b
According to Web IDL spec, we should round to the nearest integer, choosing the even integer if it lies halfway between two. R=yangguo@chromium.org,kbr@chromium.org BUG=v8:2294 Review URL: https://chromiumcodereview.appspot.com/10831409 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12364 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
71 lines
2.7 KiB
JavaScript
71 lines
2.7 KiB
JavaScript
// Copyright 2012 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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// Flags: --allow-natives-syntax
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var clampedArray = new Uint8ClampedArray(10);
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function test() {
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clampedArray[0] = 0.499;
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assertEquals(0, clampedArray[0]);
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clampedArray[0] = 0.5;
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assertEquals(0, clampedArray[0]);
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clampedArray[0] = 0.501;
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assertEquals(1, clampedArray[0]);
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clampedArray[0] = 1.499;
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assertEquals(1, clampedArray[0]);
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clampedArray[0] = 1.5;
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assertEquals(2, clampedArray[0]);
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clampedArray[0] = 1.501;
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assertEquals(2, clampedArray[0]);
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clampedArray[0] = 2.5;
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assertEquals(2, clampedArray[0]);
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clampedArray[0] = 3.5;
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assertEquals(4, clampedArray[0]);
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clampedArray[0] = 252.5;
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assertEquals(252, clampedArray[0]);
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clampedArray[0] = 253.5;
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assertEquals(254, clampedArray[0]);
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clampedArray[0] = 254.5;
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assertEquals(254, clampedArray[0]);
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clampedArray[0] = 256.5;
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assertEquals(255, clampedArray[0]);
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clampedArray[0] = -0.5;
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assertEquals(0, clampedArray[0]);
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clampedArray[0] = -1.5;
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assertEquals(0, clampedArray[0]);
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clampedArray[0] = 1000000000000;
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assertEquals(255, clampedArray[0]);
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clampedArray[0] = -1000000000000;
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assertEquals(0, clampedArray[0]);
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}
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test();
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test();
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%OptimizeFunctionOnNextCall(test);
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test();
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