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68 lines
2.9 KiB
68 lines
2.9 KiB
11 years ago
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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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
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// are met:
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// 1. 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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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY 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 OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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description(
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"This tests that the DFG can multiply numbers correctly."
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);
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function doMultiplyConstant2(a) {
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return a * 2;
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}
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function doMultiplyConstant3(a) {
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return a * 3;
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}
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function doMultiplyConstant4(a) {
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return a * 4;
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}
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// Get it to compile.
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for (var i = 0; i < 100; ++i) {
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shouldBe("doMultiplyConstant2(1)", "2");
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shouldBe("doMultiplyConstant2(2)", "4");
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shouldBe("doMultiplyConstant2(4)", "8");
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shouldBe("doMultiplyConstant3(1)", "3");
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shouldBe("doMultiplyConstant3(2)", "6");
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shouldBe("doMultiplyConstant3(4)", "12");
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shouldBe("doMultiplyConstant4(1)", "4");
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shouldBe("doMultiplyConstant4(2)", "8");
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shouldBe("doMultiplyConstant4(4)", "16");
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}
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// Now do evil.
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for (var i = 0; i < 10; ++i) {
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shouldBe("doMultiplyConstant2(1073741824)", "2147483648");
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shouldBe("doMultiplyConstant2(2147483648)", "4294967296");
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shouldBe("doMultiplyConstant3(1073741824)", "3221225472");
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shouldBe("doMultiplyConstant3(2147483648)", "6442450944");
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shouldBe("doMultiplyConstant4(1073741824)", "4294967296");
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shouldBe("doMultiplyConstant4(2147483648)", "8589934592");
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shouldBe("doMultiplyConstant2(-1073741824)", "-2147483648");
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shouldBe("doMultiplyConstant2(-2147483648)", "-4294967296");
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shouldBe("doMultiplyConstant3(-1073741824)", "-3221225472");
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shouldBe("doMultiplyConstant3(-2147483648)", "-6442450944");
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shouldBe("doMultiplyConstant4(-1073741824)", "-4294967296");
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shouldBe("doMultiplyConstant4(-2147483648)", "-8589934592");
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}
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