400b62a1f7
Review URL: http://codereview.chromium.org/555099 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3711 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
68 lines
2.6 KiB
JavaScript
68 lines
2.6 KiB
JavaScript
// Copyright 2009 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Test unary addition in various contexts.
|
|
|
|
// Test value context.
|
|
assertEquals(1, +'1');
|
|
assertEquals(1, +1);
|
|
assertEquals(1.12, +1.12);
|
|
assertEquals(NaN, +undefined);
|
|
assertEquals(NaN, +{});
|
|
|
|
// Test effect context.
|
|
assertEquals(1, eval("+'1'; 1"));
|
|
assertEquals(1, eval("+1; 1"));
|
|
assertEquals(1, eval("+1.12; 1"));
|
|
assertEquals(1, eval("+undefined; 1"));
|
|
assertEquals(1, eval("+{}; 1"));
|
|
|
|
// Test test context.
|
|
assertEquals(1, (+'1') ? 1 : 2);
|
|
assertEquals(1, (+1) ? 1 : 2);
|
|
assertEquals(1, (+'0') ? 2 : 1);
|
|
assertEquals(1, (+0) ? 2 : 1);
|
|
assertEquals(1, (+1.12) ? 1 : 2);
|
|
assertEquals(1, (+undefined) ? 2 : 1);
|
|
assertEquals(1, (+{}) ? 2 : 1);
|
|
|
|
// Test value/test context.
|
|
assertEquals(1, +'1' || 2);
|
|
assertEquals(1, +1 || 2);
|
|
assertEquals(1.12, +1.12 || 2);
|
|
assertEquals(2, +undefined || 2);
|
|
assertEquals(2, +{} || 2);
|
|
|
|
// Test test/value context.
|
|
assertEquals(2, +'1' && 2);
|
|
assertEquals(2, +1 && 2);
|
|
assertEquals(0, +'0' && 2);
|
|
assertEquals(0, +0 && 2);
|
|
assertEquals(2, +1.12 && 2);
|
|
assertEquals(NaN, +undefined && 2);
|
|
assertEquals(NaN, +{} && 2);
|