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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/includes/sparse.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/includes/sparse.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/includes/sparse.js b/js/src/tests/test262/built-ins/Array/prototype/includes/sparse.js new file mode 100644 index 0000000000..96e0a6db14 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/includes/sparse.js @@ -0,0 +1,54 @@ +// 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-array.prototype.includes +description: Searches all indexes from a sparse array +info: | + 22.1.3.11 Array.prototype.includes ( searchElement [ , fromIndex ] ) + + ... + 5. If n ≥ 0, then + a. Let k be n. + 6. Else n < 0, + a. Let k be len + n. + b. If k < 0, let k be 0. + 7. Repeat, while k < len + a. Let elementK be the result of ? Get(O, ! ToString(k)). + b. If SameValueZero(searchElement, elementK) is true, return true. + c. Increase k by 1. + ... +features: [Array.prototype.includes] +---*/ + +assert.sameValue( + [, , , ].includes(undefined), + true, + "[ , , , ].includes(undefined)" +); + +assert.sameValue( + [, , , 42, ].includes(undefined, 4), + false, + "[ , , , 42, ].includes(undefined, 4)" +); + +var sample = [, , , 42, , ]; + +assert.sameValue( + sample.includes(undefined), + true, + "sample.includes(undefined)" +); +assert.sameValue( + sample.includes(undefined, 4), + true, + "sample.includes(undefined, 4)" +); +assert.sameValue( + sample.includes(42, 3), + true, + "sample.includes(42, 3)" +); + +reportCompare(0, 0); |