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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/find/predicate-call-parameters.js | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/find/predicate-call-parameters.js b/js/src/tests/test262/built-ins/TypedArray/prototype/find/predicate-call-parameters.js new file mode 100644 index 0000000000..3df875dc37 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/find/predicate-call-parameters.js @@ -0,0 +1,64 @@ +// 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.find +description: > + Predicate called as F.call( thisArg, kValue, k, O ) for each array entry. +info: | + 22.2.3.10 %TypedArray%.prototype.find (predicate [ , thisArg ] ) + + %TypedArray%.prototype.find is a distinct function that implements the same + algorithm as Array.prototype.find as defined in 22.1.3.8 except that the this + object's [[ArrayLength]] internal slot is accessed in place of performing a + [[Get]] of "length". The implementation of the algorithm may be optimized with + the knowledge that the this value is an object that has a fixed length and + whose integer indexed properties are not sparse. + + ... + + 22.1.3.8 Array.prototype.find ( predicate[ , thisArg ] ) + + ... + 4. If thisArg was supplied, let T be thisArg; else let T be undefined. + 5. Let k be 0. + 6. Repeat, while k < len + ... + c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)). + ... +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([39, 2, 62]); + var results = []; + var result; + + sample.foo = "bar"; // Ignores non integer index properties + + sample.find(function() { + results.push(arguments); + }); + + assert.sameValue(results.length, 3, "predicate is called for each index"); + + result = results[0]; + assert.sameValue(result[0], 39, "results[0][0] === 39, value"); + assert.sameValue(result[1], 0, "results[0][1] === 0, index"); + assert.sameValue(result[2], sample, "results[0][2] === sample, instance"); + assert.sameValue(result.length, 3, "results[0].length === 3 arguments"); + + result = results[1]; + assert.sameValue(result[0], 2, "results[1][0] === 2, value"); + assert.sameValue(result[1], 1, "results[1][1] === 1, index"); + assert.sameValue(result[2], sample, "results[1][2] === sample, instance"); + assert.sameValue(result.length, 3, "results[1].length === 3 arguments"); + + result = results[2]; + assert.sameValue(result[0], 62, "results[2][0] === 62, value"); + assert.sameValue(result[1], 2, "results[2][1] === 2, index"); + assert.sameValue(result[2], sample, "results[2][2] === sample, instance"); + assert.sameValue(result.length, 3, "results[2].length === 3 arguments"); +}); + +reportCompare(0, 0); |