68 lines
2.6 KiB
JavaScript
68 lines
2.6 KiB
JavaScript
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// Copyright 2009 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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// Test unary addition in various contexts.
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// Test value context.
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assertEquals(1, +'1');
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assertEquals(1, +1);
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assertEquals(1.12, +1.12);
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assertEquals(NaN, +undefined);
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assertEquals(NaN, +{});
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// Test effect context.
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assertEquals(1, eval("+'1'; 1"));
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assertEquals(1, eval("+1; 1"));
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assertEquals(1, eval("+1.12; 1"));
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assertEquals(1, eval("+undefined; 1"));
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assertEquals(1, eval("+{}; 1"));
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// Test test context.
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assertEquals(1, (+'1') ? 1 : 2);
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assertEquals(1, (+1) ? 1 : 2);
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assertEquals(1, (+'0') ? 2 : 1);
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assertEquals(1, (+0) ? 2 : 1);
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assertEquals(1, (+1.12) ? 1 : 2);
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assertEquals(1, (+undefined) ? 2 : 1);
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assertEquals(1, (+{}) ? 2 : 1);
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// Test value/test context.
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assertEquals(1, +'1' || 2);
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assertEquals(1, +1 || 2);
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assertEquals(1.12, +1.12 || 2);
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assertEquals(2, +undefined || 2);
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assertEquals(2, +{} || 2);
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// Test test/value context.
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assertEquals(2, +'1' && 2);
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assertEquals(2, +1 && 2);
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assertEquals(0, +'0' && 2);
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assertEquals(0, +0 && 2);
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assertEquals(2, +1.12 && 2);
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assertEquals(NaN, +undefined && 2);
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assertEquals(NaN, +{} && 2);
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