1// Copyright 2011 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28assertEquals(Boolean(void 0), false); 29assertEquals(Boolean(null), false); 30assertEquals(Boolean(false), false); 31assertEquals(Boolean(true), true); 32assertEquals(Boolean(0), false); 33assertEquals(Boolean(1), true); 34assertEquals(Boolean(assertEquals), true); 35assertEquals(Boolean(new Object()), true); 36assertTrue(new Boolean(false) !== false); 37assertTrue(new Boolean(false) == false); 38assertTrue(new Boolean(true) !== true); 39assertTrue(new Boolean(true) == true); 40 41assertEquals(true, !false); 42assertEquals(false, !true); 43assertEquals(true, !!true); 44assertEquals(false, !!false); 45 46assertEquals(true, true ? true : false); 47assertEquals(false, false ? true : false); 48 49assertEquals(false, true ? false : true); 50assertEquals(true, false ? false : true); 51 52 53assertEquals(true, true && true); 54assertEquals(false, true && false); 55assertEquals(false, false && true); 56assertEquals(false, false && false); 57 58// Regression. 59var t = 42; 60assertEquals(void 0, t.p); 61assertEquals(void 0, t.p && true); 62assertEquals(void 0, t.p && false); 63assertEquals(void 0, t.p && (t.p == 0)); 64assertEquals(void 0, t.p && (t.p == null)); 65assertEquals(void 0, t.p && (t.p == t.p)); 66 67var o = new Object(); 68o.p = 'foo'; 69assertEquals('foo', o.p); 70assertEquals('foo', o.p || true); 71assertEquals('foo', o.p || false); 72assertEquals('foo', o.p || (o.p == 0)); 73assertEquals('foo', o.p || (o.p == null)); 74assertEquals('foo', o.p || (o.p == o.p)); 75