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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/includes/BigInt/length-zero-returns-false.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/includes/BigInt/length-zero-returns-false.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/includes/BigInt/length-zero-returns-false.js b/js/src/tests/test262/built-ins/TypedArray/prototype/includes/BigInt/length-zero-returns-false.js new file mode 100644 index 0000000000..75d998d717 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/includes/BigInt/length-zero-returns-false.js @@ -0,0 +1,41 @@ +// 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.includes +description: Returns false if length is 0 +info: | + 22.2.3.13 %TypedArray%.prototype.includes ( searchElement [ , fromIndex ] ) + + %TypedArray%.prototype.includes is a distinct function that implements the + same algorithm as Array.prototype.includes as defined in 22.1.3.11 except that + the this object's [[ArrayLength]] internal slot is accessed in place of + performing a [[Get]] of "length". + + 22.1.3.11 Array.prototype.includes ( searchElement [ , fromIndex ] ) + + ... + 2. Let len be ? ToLength(? Get(O, "length")). + 3. If len is 0, return false. + ... +includes: [testBigIntTypedArray.js] +features: [BigInt, TypedArray] +---*/ + +var fromIndex = { + valueOf: function() { + throw new Test262Error(); + } +}; + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA(); + assert.sameValue(sample.includes(0), false, "returns false"); + assert.sameValue(sample.includes(), false, "returns false - no arg"); + assert.sameValue( + sample.includes(0n, fromIndex), false, + "length is checked before ToInteger(fromIndex)" + ); +}); + +reportCompare(0, 0); |