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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/predicate-call-changes-value.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/predicate-call-changes-value.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/predicate-call-changes-value.js b/js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/predicate-call-changes-value.js new file mode 100644 index 0000000000..64667d84a6 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/find/BigInt/predicate-call-changes-value.js @@ -0,0 +1,80 @@ +// 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: > + Change values during predicate call +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: [compareArray.js, testBigIntTypedArray.js] +features: [BigInt, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var arr = [1n, 2n, 3n]; + var sample; + var result; + + sample = new TA(3); + sample.find(function(val, i) { + sample[i] = arr[i]; + + assert.sameValue(val, 0n, "value is not mapped to instance"); + }); + assert(compareArray(sample, arr), "values set during each predicate call"); + + sample = new TA(arr); + result = sample.find(function(val, i) { + if ( i === 0 ) { + sample[2] = 7n; + } + return val === 7n; + }); + assert.sameValue(result, 7n, "value found"); + + sample = new TA(arr); + result = sample.find(function(val, i) { + if ( i === 0 ) { + sample[2] = 7n; + } + return val === 3n; + }); + assert.sameValue(result, undefined, "value not found"); + + sample = new TA(arr); + result = sample.find(function(val, i) { + if ( i > 0 ) { + sample[0] = 7n; + } + return val === 7n; + }); + assert.sameValue(result, undefined, "value not found - changed after call"); + + sample = new TA(arr); + result = sample.find(function() { + sample[0] = 7n; + return true; + }); + assert.sameValue(result, 1n, "find() returns previous found value"); +}); + +reportCompare(0, 0); |