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comparison: js/src/tests/ecma_6/Array/for_of_1.js
js/src/tests/ecma_6/Array/for_of_1.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:974c5688f72d |
|---|---|
| 1 // Test corner cases of for-of iteration over Arrays. | |
| 2 // The current spidermonky JSOP_SPREAD implementation for function calls | |
| 3 // with '...rest' arguments uses a ForOfIterator to extract values from | |
| 4 // the array, so we use that mechanism to test ForOfIterator here. | |
| 5 | |
| 6 | |
| 7 // Test the properties and prototype of a generator object. | |
| 8 function TestManySmallArrays() { | |
| 9 function doIter(f, arr) { | |
| 10 return f(...arr) | |
| 11 } | |
| 12 | |
| 13 function fun(a, b, c) { | |
| 14 var result = 0; | |
| 15 for (var i = 0; i < arguments.length; i++) | |
| 16 result += arguments[i]; | |
| 17 return result; | |
| 18 } | |
| 19 | |
| 20 | |
| 21 var TRUE_SUM = 0; | |
| 22 var N = 100; | |
| 23 var M = 3; | |
| 24 var sum = 0; | |
| 25 for (var i = 0; i < N; i++) { | |
| 26 var arr = new Array(M); | |
| 27 for (var j = 0; j < M; j++) { | |
| 28 arr[j] = j; | |
| 29 TRUE_SUM += j; | |
| 30 } | |
| 31 sum += doIter(fun, arr); | |
| 32 } | |
| 33 assertEq(sum, TRUE_SUM); | |
| 34 } | |
| 35 TestManySmallArrays(); | |
| 36 | |
| 37 // Test the properties and prototype of a generator object. | |
| 38 function TestSingleSmallArray() { | |
| 39 function doIter(f, arr) { | |
| 40 return f(...arr) | |
| 41 } | |
| 42 | |
| 43 function fun(a, b, c) { | |
| 44 var result = 0; | |
| 45 for (var i = 0; i < arguments.length; i++) | |
| 46 result += arguments[i]; | |
| 47 return result; | |
| 48 } | |
| 49 | |
| 50 | |
| 51 var TRUE_SUM = 0; | |
| 52 var N = 100; | |
| 53 var M = 3; | |
| 54 var arr = new Array(M); | |
| 55 for (var j = 0; j < M; j++) { | |
| 56 arr[j] = j; | |
| 57 TRUE_SUM += j; | |
| 58 } | |
| 59 TRUE_SUM *= N; | |
| 60 | |
| 61 var sum = 0; | |
| 62 for (var i = 0; i < N; i++) { | |
| 63 sum += doIter(fun, arr); | |
| 64 } | |
| 65 assertEq(sum, TRUE_SUM); | |
| 66 } | |
| 67 TestSingleSmallArray(); | |
| 68 | |
| 69 | |
| 70 function TestChangeArrayPrototype() { | |
| 71 function doIter(f, arr) { | |
| 72 return f(...arr) | |
| 73 } | |
| 74 | |
| 75 function fun(a, b, c) { | |
| 76 var result = 0; | |
| 77 for (var i = 0; i < arguments.length; i++) | |
| 78 result += arguments[i]; | |
| 79 return result; | |
| 80 } | |
| 81 | |
| 82 var Proto1 = Object.create(Array.prototype); | |
| 83 | |
| 84 var TRUE_SUM = 0; | |
| 85 var N = 100; | |
| 86 var MID = N/2; | |
| 87 var M = 3; | |
| 88 var arr = new Array(M); | |
| 89 var ARR_SUM = 0; | |
| 90 for (var j = 0; j < M; j++) { | |
| 91 arr[j] = j; | |
| 92 ARR_SUM += j; | |
| 93 } | |
| 94 | |
| 95 var sum = 0; | |
| 96 for (var i = 0; i < N; i++) { | |
| 97 sum += doIter(fun, arr); | |
| 98 if (i == MID) | |
| 99 arr.__proto__ = Proto1; | |
| 100 TRUE_SUM += ARR_SUM; | |
| 101 } | |
| 102 assertEq(sum, TRUE_SUM); | |
| 103 } | |
| 104 TestChangeArrayPrototype(); | |
| 105 | |
| 106 | |
| 107 function TestChangeManyArrayShape() { | |
| 108 function doIter(f, arr) { | |
| 109 return f(...arr) | |
| 110 } | |
| 111 | |
| 112 function fun(a, b, c) { | |
| 113 var result = 0; | |
| 114 for (var i = 0; i < arguments.length; i++) | |
| 115 result += arguments[i]; | |
| 116 return result; | |
| 117 } | |
| 118 | |
| 119 var TRUE_SUM = 0; | |
| 120 var N = 100; | |
| 121 var MID = N/2; | |
| 122 var M = 3; | |
| 123 var sum = 0; | |
| 124 for (var i = 0; i < N; i++) { | |
| 125 var arr = new Array(M); | |
| 126 var ARR_SUM = 0; | |
| 127 for (var j = 0; j < M; j++) { | |
| 128 arr[j] = j; | |
| 129 ARR_SUM += j; | |
| 130 } | |
| 131 arr['v_' + i] = i; | |
| 132 sum += doIter(fun, arr); | |
| 133 TRUE_SUM += ARR_SUM; | |
| 134 } | |
| 135 assertEq(sum, TRUE_SUM); | |
| 136 } | |
| 137 TestChangeManyArrayShape(); | |
| 138 | |
| 139 if (typeof reportCompare === "function") | |
| 140 reportCompare(true, true); |
