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62 lines
2.7 KiB
62 lines
2.7 KiB
16 years ago
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// Copyright 2008 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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// Ensure that we can correctly change the sign of the most negative smi.
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assertEquals(1073741824, -1073741824 * -1);
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assertEquals(1073741824, -1073741824 / -1);
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assertEquals(1073741824, -(-1073741824));
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assertEquals(1073741824, 0 - (-1073741824));
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var min_smi = -1073741824;
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assertEquals(1073741824, min_smi * -1);
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assertEquals(1073741824, min_smi / -1);
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assertEquals(1073741824, -min_smi);
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assertEquals(1073741824, 0 - min_smi);
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var zero = 0;
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var minus_one = -1;
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assertEquals(1073741824, min_smi * minus_one);
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assertEquals(1073741824, min_smi / minus_one);
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assertEquals(1073741824, -min_smi);
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assertEquals(1073741824, zero - min_smi);
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assertEquals(1073741824, -1073741824 * minus_one);
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assertEquals(1073741824, -1073741824 / minus_one);
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assertEquals(1073741824, -(-1073741824));
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assertEquals(1073741824, zero - (-1073741824));
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var half_min_smi = -(1<<15);
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var half_max_smi = (1<<15);
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assertEquals(1073741824, -half_min_smi * half_max_smi);
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assertEquals(1073741824, half_min_smi * -half_max_smi);
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assertEquals(1073741824, half_max_smi * -half_min_smi);
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assertEquals(1073741824, -half_max_smi * half_min_smi);
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