sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1 | // Copyright 2009 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 | |
| 28 | // Test unary addition in various contexts. |
| 29 | |
| 30 | // Test value context. |
| 31 | assertEquals(1, +'1'); |
| 32 | assertEquals(1, +1); |
| 33 | assertEquals(1.12, +1.12); |
| 34 | assertEquals(NaN, +undefined); |
| 35 | assertEquals(NaN, +{}); |
| 36 | |
| 37 | // Test effect context. |
| 38 | assertEquals(1, eval("+'1'; 1")); |
| 39 | assertEquals(1, eval("+1; 1")); |
| 40 | assertEquals(1, eval("+1.12; 1")); |
| 41 | assertEquals(1, eval("+undefined; 1")); |
| 42 | assertEquals(1, eval("+{}; 1")); |
| 43 | |
| 44 | // Test test context. |
| 45 | assertEquals(1, (+'1') ? 1 : 2); |
| 46 | assertEquals(1, (+1) ? 1 : 2); |
| 47 | assertEquals(1, (+'0') ? 2 : 1); |
| 48 | assertEquals(1, (+0) ? 2 : 1); |
| 49 | assertEquals(1, (+1.12) ? 1 : 2); |
| 50 | assertEquals(1, (+undefined) ? 2 : 1); |
| 51 | assertEquals(1, (+{}) ? 2 : 1); |
| 52 | |
| 53 | // Test value/test context. |
| 54 | assertEquals(1, +'1' || 2); |
| 55 | assertEquals(1, +1 || 2); |
| 56 | assertEquals(1.12, +1.12 || 2); |
| 57 | assertEquals(2, +undefined || 2); |
| 58 | assertEquals(2, +{} || 2); |
| 59 | |
| 60 | // Test test/value context. |
| 61 | assertEquals(2, +'1' && 2); |
| 62 | assertEquals(2, +1 && 2); |
| 63 | assertEquals(0, +'0' && 2); |
| 64 | assertEquals(0, +0 && 2); |
| 65 | assertEquals(2, +1.12 && 2); |
| 66 | assertEquals(NaN, +undefined && 2); |
| 67 | assertEquals(NaN, +{} && 2); |