diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/includes/using-fromindex.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/includes/using-fromindex.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/includes/using-fromindex.js b/js/src/tests/test262/built-ins/Array/prototype/includes/using-fromindex.js new file mode 100644 index 0000000000..ea55845ba7 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/includes/using-fromindex.js @@ -0,0 +1,52 @@ +// 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 using fromIndex +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] +---*/ + +var sample = ["a", "b", "c"]; +assert.sameValue(sample.includes("a", 0), true, "includes('a', 0)"); +assert.sameValue(sample.includes("a", 1), false, "includes('a', 1)"); +assert.sameValue(sample.includes("a", 2), false, "includes('a', 2)"); + +assert.sameValue(sample.includes("b", 0), true, "includes('b', 0)"); +assert.sameValue(sample.includes("b", 1), true, "includes('b', 1)"); +assert.sameValue(sample.includes("b", 2), false, "includes('b', 2)"); + +assert.sameValue(sample.includes("c", 0), true, "includes('c', 0)"); +assert.sameValue(sample.includes("c", 1), true, "includes('c', 1)"); +assert.sameValue(sample.includes("c", 2), true, "includes('c', 2)"); + +assert.sameValue(sample.includes("a", -1), false, "includes('a', -1)"); +assert.sameValue(sample.includes("a", -2), false, "includes('a', -2)"); +assert.sameValue(sample.includes("a", -3), true, "includes('a', -3)"); +assert.sameValue(sample.includes("a", -4), true, "includes('a', -4)"); + +assert.sameValue(sample.includes("b", -1), false, "includes('b', -1)"); +assert.sameValue(sample.includes("b", -2), true, "includes('b', -2)"); +assert.sameValue(sample.includes("b", -3), true, "includes('b', -3)"); +assert.sameValue(sample.includes("b", -4), true, "includes('b', -4)"); + +assert.sameValue(sample.includes("c", -1), true, "includes('c', -1)"); +assert.sameValue(sample.includes("c", -2), true, "includes('c', -2)"); +assert.sameValue(sample.includes("c", -3), true, "includes('c', -3)"); +assert.sameValue(sample.includes("c", -4), true, "includes('c', -4)"); + +reportCompare(0, 0); |