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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArray/prototype/join/this-is-not-typedarray-instance.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/join/this-is-not-typedarray-instance.js b/js/src/tests/test262/built-ins/TypedArray/prototype/join/this-is-not-typedarray-instance.js new file mode 100644 index 0000000000..926c39a97e --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArray/prototype/join/this-is-not-typedarray-instance.js @@ -0,0 +1,44 @@ +// 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.join +description: > + Throws a TypeError exception when `this` is not a TypedArray instance +info: | + 22.2.3.15 %TypedArray%.prototype.join ( separator ) + + This function is not generic. ValidateTypedArray is applied to the this value + prior to evaluating the algorithm. If its result is an abrupt completion that + exception is thrown instead of evaluating the algorithm. + + 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O ) + + 1. If Type(O) is not Object, throw a TypeError exception. + 2. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError + exception. + ... +includes: [testTypedArray.js] +features: [TypedArray] +---*/ + +var join = TypedArray.prototype.join; + +assert.throws(TypeError, function() { + join.call({}, ""); +}, "this is an Object"); + +assert.throws(TypeError, function() { + join.call([], ""); +}, "this is an Array"); + +var ab = new ArrayBuffer(8); +assert.throws(TypeError, function() { + join.call(ab, ""); +}, "this is an ArrayBuffer instance"); + +var dv = new DataView(new ArrayBuffer(8), 0, 1); +assert.throws(TypeError, function() { + join.call(dv, ""); +}, "this is a DataView instance"); + +reportCompare(0, 0); |