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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-may-detach-buffer.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-may-detach-buffer.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-may-detach-buffer.js new file mode 100644 index 0000000000..a86b1b06b0 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findIndex/predicate-may-detach-buffer.js @@ -0,0 +1,47 @@ +// 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: > + Predicate may detach the buffer +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 ] ) + + Repeat, while k < len, + Let Pk be ! ToString(F(k)). + Let kValue be ? Get(O, Pk). + Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, F(k), O »)). + ... + + IntegerIndexedElementGet ( O, index ) + + Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot. + If IsDetachedBuffer(buffer) is true, return undefined. + +includes: [testTypedArray.js, detachArrayBuffer.js] +features: [TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA(2); + var loops = 0; + + sample.findIndex(function() { + if (loops === 0) { + $DETACHBUFFER(sample.buffer); + } + loops++; + }); + assert.sameValue(loops, 2, "predicate is called once"); +}); + +reportCompare(0, 0); |