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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-changes-value.js | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-changes-value.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-changes-value.js new file mode 100644 index 0000000000..8ee1fcccae --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-call-changes-value.js @@ -0,0 +1,69 @@ +// 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.findindex +description: > + Change values during predicate call +info: | + 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] ) + + %TypedArray%.prototype.findIndex is a distinct function that implements the + same algorithm as Array.prototype.findIndex as defined in 22.1.3.9 except that + the this object's [[ArrayLength]] internal slot is accessed in place of + performing a [[Get]] of "length". + + ... + + 22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] ) + + ... + 6. Repeat, while k < len + ... + c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)). + ... +includes: [compareArray.js, testTypedArray.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var arr = [10, 20, 30]; + var sample; + var result; + + sample = new TA(3); + sample.findIndex(function(val, i) { + sample[i] = arr[i]; + + assert.sameValue(val, 0, "value is not mapped to instance"); + }); + assert(compareArray(sample, arr), "values set during each predicate call"); + + sample = new TA(arr); + result = sample.findIndex(function(val, i) { + if ( i === 0 ) { + sample[2] = 7; + } + return val === 7; + }); + assert.sameValue(result, 2, "value found"); + + sample = new TA(arr); + result = sample.findIndex(function(val, i) { + if ( i === 0 ) { + sample[2] = 7; + } + return val === 30; + }); + assert.sameValue(result, -1, "value not found"); + + sample = new TA(arr); + result = sample.findIndex(function(val, i) { + if ( i > 0 ) { + sample[0] = 7; + } + return val === 7; + }); + assert.sameValue(result, -1, "value not found - changed after call"); +}); + +reportCompare(0, 0); |