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| 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| 3 // |
| 4 // Redistribution and use in source and binary forms, with or without |
| 5 // modification, are permitted provided that the following conditions |
| 6 // are met: |
| 7 // 1. Redistributions of source code must retain the above copyright |
| 8 // notice, this list of conditions and the following disclaimer. |
| 9 // 2. Redistributions in binary form must reproduce the above copyright |
| 10 // notice, this list of conditions and the following disclaimer in the |
| 11 // documentation and/or other materials provided with the distribution. |
| 12 // |
| 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y |
| 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y |
| 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N |
| 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 |
| 24 var wasPostTestScriptParsed = false; |
| 25 var errorMessage; |
| 26 |
| 27 function description(msg) |
| 28 { |
| 29 print(msg); |
| 30 print("\nOn success, you will see a series of \"PASS\" messages, followed by
\"TEST COMPLETE\".\n"); |
| 31 print(); |
| 32 } |
| 33 |
| 34 function debug(msg) |
| 35 { |
| 36 print(msg); |
| 37 } |
| 38 |
| 39 function escapeString(text) |
| 40 { |
| 41 return text.replace(/\0/g, ""); |
| 42 } |
| 43 |
| 44 function testPassed(msg) |
| 45 { |
| 46 print("PASS", escapeString(msg)); |
| 47 } |
| 48 |
| 49 function testFailed(msg) |
| 50 { |
| 51 errorMessage = msg; |
| 52 print("FAIL", escapeString(msg)); |
| 53 } |
| 54 |
| 55 function areArraysEqual(_a, _b) |
| 56 { |
| 57 if (Object.prototype.toString.call(_a) != Object.prototype.toString.call([])
) |
| 58 return false; |
| 59 if (_a.length !== _b.length) |
| 60 return false; |
| 61 for (var i = 0; i < _a.length; i++) |
| 62 if (_a[i] !== _b[i]) |
| 63 return false; |
| 64 return true; |
| 65 } |
| 66 |
| 67 function isMinusZero(n) |
| 68 { |
| 69 // the only way to tell 0 from -0 in JS is the fact that 1/-0 is |
| 70 // -Infinity instead of Infinity |
| 71 return n === 0 && 1/n < 0; |
| 72 } |
| 73 |
| 74 function isResultCorrect(_actual, _expected) |
| 75 { |
| 76 if (_expected === 0) |
| 77 return _actual === _expected && (1/_actual) === (1/_expected); |
| 78 if (_actual === _expected) |
| 79 return true; |
| 80 if (typeof(_expected) == "number" && isNaN(_expected)) |
| 81 return typeof(_actual) == "number" && isNaN(_actual); |
| 82 if (Object.prototype.toString.call(_expected) == Object.prototype.toString.c
all([])) |
| 83 return areArraysEqual(_actual, _expected); |
| 84 return false; |
| 85 } |
| 86 |
| 87 function stringify(v) |
| 88 { |
| 89 if (v === 0 && 1/v < 0) |
| 90 return "-0"; |
| 91 else return "" + v; |
| 92 } |
| 93 |
| 94 function shouldBe(_a, _b) |
| 95 { |
| 96 if (typeof _a != "string" || typeof _b != "string") |
| 97 debug("WARN: shouldBe() expects string arguments"); |
| 98 var exception; |
| 99 var _av; |
| 100 try { |
| 101 _av = eval(_a); |
| 102 } catch (e) { |
| 103 exception = e; |
| 104 } |
| 105 var _bv = eval(_b); |
| 106 |
| 107 if (exception) |
| 108 testFailed(_a + " should be " + _bv + ". Threw exception " + exception); |
| 109 else if (isResultCorrect(_av, _bv)) |
| 110 testPassed(_a + " is " + _b); |
| 111 else if (typeof(_av) == typeof(_bv)) |
| 112 testFailed(_a + " should be " + _bv + ". Was " + stringify(_av) + "."); |
| 113 else |
| 114 testFailed(_a + " should be " + _bv + " (of type " + typeof _bv + "). Was "
+ _av + " (of type " + typeof _av + ")."); |
| 115 } |
| 116 |
| 117 function shouldBeTrue(_a) { shouldBe(_a, "true"); } |
| 118 function shouldBeFalse(_a) { shouldBe(_a, "false"); } |
| 119 function shouldBeNaN(_a) { shouldBe(_a, "NaN"); } |
| 120 function shouldBeNull(_a) { shouldBe(_a, "null"); } |
| 121 |
| 122 function shouldBeEqualToString(a, b) |
| 123 { |
| 124 if (typeof a !== "string" || typeof b !== "string") |
| 125 debug("WARN: shouldBeEqualToString() expects string arguments"); |
| 126 var unevaledString = JSON.stringify(b); |
| 127 shouldBe(a, unevaledString); |
| 128 } |
| 129 |
| 130 function shouldBeUndefined(_a) |
| 131 { |
| 132 var exception; |
| 133 var _av; |
| 134 try { |
| 135 _av = eval(_a); |
| 136 } catch (e) { |
| 137 exception = e; |
| 138 } |
| 139 |
| 140 if (exception) |
| 141 testFailed(_a + " should be undefined. Threw exception " + exception); |
| 142 else if (typeof _av == "undefined") |
| 143 testPassed(_a + " is undefined."); |
| 144 else |
| 145 testFailed(_a + " should be undefined. Was " + _av); |
| 146 } |
| 147 |
| 148 |
| 149 function shouldThrow(_a, _e) |
| 150 { |
| 151 var exception; |
| 152 var _av; |
| 153 try { |
| 154 _av = eval(_a); |
| 155 } catch (e) { |
| 156 exception = e; |
| 157 } |
| 158 |
| 159 var _ev; |
| 160 if (_e) |
| 161 _ev = eval(_e); |
| 162 |
| 163 if (exception) { |
| 164 if (typeof _e == "undefined" || exception == _ev) |
| 165 testPassed(_a + " threw exception " + exception + "."); |
| 166 else |
| 167 testFailed(_a + " should throw " + (typeof _e == "undefined" ? "an excepti
on" : _ev) + ". Threw exception " + exception + "."); |
| 168 } else if (typeof _av == "undefined") |
| 169 testFailed(_a + " should throw " + (typeof _e == "undefined" ? "an exception
" : _ev) + ". Was undefined."); |
| 170 else |
| 171 testFailed(_a + " should throw " + (typeof _e == "undefined" ? "an exception
" : _ev) + ". Was " + _av + "."); |
| 172 } |
| 173 |
| 174 function isSuccessfullyParsed() |
| 175 { |
| 176 // FIXME: Remove this and only report unexpected syntax errors. |
| 177 if (!errorMessage) |
| 178 successfullyParsed = true; |
| 179 shouldBeTrue("successfullyParsed"); |
| 180 debug("\nTEST COMPLETE\n"); |
| 181 } |
| 182 |
| 183 // It's possible for an async test to call finishJSTest() before js-test-post.js |
| 184 // has been parsed. |
| 185 function finishJSTest() |
| 186 { |
| 187 wasFinishJSTestCalled = true; |
| 188 if (!wasPostTestScriptParsed) |
| 189 return; |
| 190 isSuccessfullyParsed(); |
| 191 } |
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