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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/subarray/results-with-different-length.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/results-with-different-length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/results-with-different-length.js new file mode 100644 index 0000000000..3445ae36be --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/results-with-different-length.js @@ -0,0 +1,60 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-%typedarray%.prototype.subarray +description: Subarray may return a new instance with a smaller length +info: | + 22.2.3.27 %TypedArray%.prototype.subarray( begin , end ) + + ... + 17. Return ? TypedArraySpeciesCreate(O, argumentsList). +includes: [testTypedArray.js, compareArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([40, 41, 42, 43]); + + function testRes(result, expected, msg) { + assert(compareArray(result, expected), msg + ", result: [" + result + "]"); + } + + testRes(sample.subarray(1), [41, 42, 43], "begin == 1"); + testRes(sample.subarray(2), [42, 43], "begin == 2"); + testRes(sample.subarray(3), [43], "begin == 3"); + + testRes(sample.subarray(1, 4), [41, 42, 43], "begin == 1, end == length"); + testRes(sample.subarray(2, 4), [42, 43], "begin == 2, end == length"); + testRes(sample.subarray(3, 4), [43], "begin == 3, end == length"); + + testRes(sample.subarray(0, 1), [40], "begin == 0, end == 1"); + testRes(sample.subarray(0, 2), [40, 41], "begin == 0, end == 2"); + testRes(sample.subarray(0, 3), [40, 41, 42], "begin == 0, end == 3"); + + testRes(sample.subarray(-1), [43], "begin == -1"); + testRes(sample.subarray(-2), [42, 43], "begin == -2"); + testRes(sample.subarray(-3), [41, 42, 43], "begin == -3"); + + testRes(sample.subarray(-1, 4), [43], "begin == -1, end == length"); + testRes(sample.subarray(-2, 4), [42, 43], "begin == -2, end == length"); + testRes(sample.subarray(-3, 4), [41, 42, 43], "begin == -3, end == length"); + + testRes(sample.subarray(0, -1), [40, 41, 42], "begin == 0, end == -1"); + testRes(sample.subarray(0, -2), [40, 41], "begin == 0, end == -2"); + testRes(sample.subarray(0, -3), [40], "begin == 0, end == -3"); + + testRes(sample.subarray(-0, -1), [40, 41, 42], "begin == -0, end == -1"); + testRes(sample.subarray(-0, -2), [40, 41], "begin == -0, end == -2"); + testRes(sample.subarray(-0, -3), [40], "begin == -0, end == -3"); + + testRes(sample.subarray(-2, -1), [42], "length == 4, begin == -2, end == -1"); + testRes(sample.subarray(1, -1), [41, 42], "length == 4, begin == 1, end == -1"); + testRes(sample.subarray(1, -2), [41], "length == 4, begin == 1, end == -2"); + testRes(sample.subarray(2, -1), [42], "length == 4, begin == 2, end == -1"); + + testRes(sample.subarray(-1, 5), [43], "begin == -1, end > length"); + testRes(sample.subarray(-2, 4), [42, 43], "begin == -2, end > length"); + testRes(sample.subarray(-3, 4), [41, 42, 43], "begin == -3, end > length"); +}); + +reportCompare(0, 0); |