From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- ...n-undefined-if-predicate-returns-false-value.js | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 js/src/tests/test262/built-ins/TypedArray/prototype/find/return-undefined-if-predicate-returns-false-value.js (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/find/return-undefined-if-predicate-returns-false-value.js') diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/find/return-undefined-if-predicate-returns-false-value.js b/js/src/tests/test262/built-ins/TypedArray/prototype/find/return-undefined-if-predicate-returns-false-value.js new file mode 100644 index 0000000000..bbfa0928e9 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/find/return-undefined-if-predicate-returns-false-value.js @@ -0,0 +1,62 @@ +// 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: > + Return undefined if predicate always returns a boolean false value. +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 ] ) + + ... + 6. Repeat, while k < len + ... + c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)). + ... + 7. Return undefined. +includes: [testTypedArray.js] +features: [Symbol, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA(3); + var called = 0; + + var result = sample.find(function() { + called++; + return false; + }); + + assert.sameValue(called, 3, "predicate was called three times"); + assert.sameValue(result, undefined); + + result = sample.find(function() { return ""; }); + assert.sameValue(result, undefined, "ToBoolean(empty string)"); + + result = sample.find(function() { return undefined; }); + assert.sameValue(result, undefined, "ToBoolean(undefined)"); + + result = sample.find(function() { return null; }); + assert.sameValue(result, undefined, "ToBoolean(null)"); + + result = sample.find(function() { return 0; }); + assert.sameValue(result, undefined, "ToBoolean(0)"); + + result = sample.find(function() { return -0; }); + assert.sameValue(result, undefined, "ToBoolean(-0)"); + + result = sample.find(function() { return NaN; }); + assert.sameValue(result, undefined, "ToBoolean(NaN)"); +}); + +reportCompare(0, 0); -- cgit v1.2.3