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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-c-ii-5.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-c-ii-5.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-c-ii-5.js b/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-c-ii-5.js new file mode 100644 index 0000000000..738c50cab5 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-c-ii-5.js @@ -0,0 +1,36 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.map +description: > + Array.prototype.map - k values are accessed during each iteration + and not prior to starting the loop. +---*/ + +var kIndex = []; + +//By below way, we could verify that k would be setted as 0, 1, ..., length - 1 in order, and each value will be setted one time. +function callbackfn(val, idx, obj) { + //Each position should be visited one time, which means k is accessed one time during iterations. + if (typeof kIndex[idx] === "undefined") { + //when current position is visited, its previous index should has been visited. + if (idx !== 0 && typeof kIndex[idx - 1] === "undefined") { + return true; + } + kIndex[idx] = 1; + return false; + } else { + return true; + } +} + +var testResult = [11, 12, 13, 14].map(callbackfn); + +assert.sameValue(testResult.length, 4, 'testResult.length'); +assert.sameValue(testResult[0], false, 'testResult[0]'); +assert.sameValue(testResult[1], false, 'testResult[1]'); +assert.sameValue(testResult[2], false, 'testResult[2]'); +assert.sameValue(testResult[3], false, 'testResult[3]'); + +reportCompare(0, 0); |