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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var typedArrayConstructors = [
Uint8Array,
Int8Array,
Uint16Array,
Int16Array,
Uint32Array,
Int32Array,
Uint8ClampedArray,
Float32Array,
Float64Array
];
var lengthCalled = false;
function lengthValue() {
assertFalse(lengthCalled);
lengthCalled = true;
return 5;
}
// ToLength should convert these to usable lengths.
var goodNonIntegerLengths = [
function() { return 4.6; },
function() { return -5; },
function() { return NaN; },
function() { return "5"; },
function() { return "abc"; },
function() { return true; },
function() { return null; },
function() { return undefined; }
];
// This will fail if you use ToLength on it.
function badNonIntegerLength() {
return Symbol("5");
}
for (var constructor of typedArrayConstructors) {
lengthCalled = false;
var a = new constructor(10);
a.set({length: {valueOf: lengthValue}});
assertTrue(lengthCalled);
for (var lengthFun of goodNonIntegerLengths) {
a.set({length: {valueOf: lengthFun}});
}
assertThrows(function() {
a.set({length: {valueOf: badNonIntegerLength}});
}, TypeError);
}
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