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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/copyWithin/negative-target.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/copyWithin/negative-target.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/copyWithin/negative-target.js b/js/src/tests/test262/built-ins/Array/prototype/copyWithin/negative-target.js new file mode 100644 index 0000000000..232ddf0d2d --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/copyWithin/negative-target.js @@ -0,0 +1,32 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.copywithin +description: > + Set values with negative target argument. +info: | + 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] ) + + ... + 7. If relativeTarget < 0, let to be max((len + relativeTarget),0); else let to + be min(relativeTarget, len). + ... +includes: [compareArray.js] +---*/ + +assert.compareArray( + [0, 1, 2, 3].copyWithin(-1, 0), [0, 1, 2, 0], + '[0, 1, 2, 3].copyWithin(-1, 0) must return [0, 1, 2, 0]' +); + +assert.compareArray( + [0, 1, 2, 3, 4].copyWithin(-2, 2), [0, 1, 2, 2, 3], + '[0, 1, 2, 3, 4].copyWithin(-2, 2) must return [0, 1, 2, 2, 3]' +); + +assert.compareArray( + [0, 1, 2, 3].copyWithin(-1, 2), [0, 1, 2, 2], + '[0, 1, 2, 3].copyWithin(-1, 2) must return [0, 1, 2, 2]' +); + +reportCompare(0, 0); |