1 // Copyright 2014 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 // Mimics assert module in node. 29 30 function compose(message1, message2) { 31 return message2 ? message1 + ': ' + message2 : message1 32 } 33 34 function fail(actual, expected, message, operator) { 35 var e = Error(compose('FAIL', message) + 36 ': (' + actual + ' ' + operator + ' ' + expected + ') should hold'); 37 fails.push(e); 38 throw e; 39 } 40 41 function ok(value, message) { 42 if (!value) { 43 throw Error(compose('FAIL', + message) + ': value = ' + value); 44 } 45 } 46 47 function equal(actual, expected, message) { 48 if (!(expected == actual)) { 49 fail(actual, expected, message, '=='); 50 } 51 } 52 53 function notEqual(actual, expected, message) { 54 if (!(expected != actual)) { 55 fail(actual, expected, message, '!='); 56 } 57 } 58 59 function strictEqual(actual, expected, message) { 60 if (!(expected === actual)) { 61 fail(actual, expected, message, '==='); 62 } 63 } 64 65 function notStrictEqual(actual, expected, message) { 66 if (!(expected !== actual)) { 67 fail(actual, expected, message, '!=='); 68 } 69 } 70 71 function assert(value, message) { 72 return ok(value, message); 73 } 74 75 function notImplemented() { 76 throw Error('FAIL: This assertion function is not yet implemented.'); 77 } 78 79 function clear() { 80 this.fails = []; 81 } 82 83 assert.fail = fail; 84 assert.ok = ok; 85 assert.equal = equal; 86 assert.notEqual = notEqual; 87 assert.deepEqual = notImplemented; 88 assert.notDeepEqual = notImplemented; 89 assert.strictEqual = strictEqual; 90 assert.notStrictEqual = notStrictEqual; 91 assert.throws = notImplemented; 92 assert.doesNotThrow = notImplemented; 93 assert.ifError = notImplemented; 94 95 assert.clear = clear; 96 97 exports = assert; 98