testTypedArray.js - mozsearch

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// Copyright (c) 2017 Rick Waldron.  All rights reserved.

// This code is governed by the BSD license found in the LICENSE file.

/*---

description: >

    Including testTypedArray.js will expose:

        var typedArrayConstructors = [ array of TypedArray constructors ]

        var TypedArray

        testWithTypedArrayConstructors()

        testTypedArrayConversions()

includes: [compareArray.js, testTypedArray.js]

features: [TypedArray]

---*/

assert(typeof TypedArray === "function");

assert.sameValue(TypedArray, Object.getPrototypeOf(Uint8Array));

var hasFloat16Array = typeof Float16Array !== "undefined";

var expectCtors = [

  Float64Array,

  Float32Array,

  hasFloat16Array ? Float16Array : undefined,

  Int32Array,

  Int16Array,

  Int8Array,

  Uint32Array,

  Uint16Array,

  Uint8Array,

  Uint8ClampedArray

];

if (!hasFloat16Array) expectCtors.splice(2, 1);

assert.compareArray(typedArrayConstructors, expectCtors, "typedArrayConstructors");

var callCounts = {};

var totalCallCount = 0;

testWithTypedArrayConstructors(function(TA, makeCtorArg) {

  var name = TA.name;

  callCounts[name] = (callCounts[name] || 0) + 1;

  totalCallCount++;

});

assert(totalCallCount > typedArrayConstructors.length, "total call count");

var expectEachCallCount = totalCallCount / typedArrayConstructors.length;

for (var i = 0; i < typedArrayConstructors.length; i++) {

  var name = typedArrayConstructors[i].name;

  assert.sameValue(callCounts[name], expectEachCallCount, name + " call count");

reportCompare(0, 0);