typed-arrays.js - mozsearch

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/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/ */

// Symbol-to-number type conversions involving typed arrays.

for (var T of [Uint8Array, Uint8ClampedArray, Int16Array, Float32Array]) {

    // Typed array constructors convert symbols using ToNumber(), which throws.

    assertThrowsInstanceOf(() => new T([Symbol("a")]), TypeError);

    // Assignment does the same.

    var arr = new T([1]);

    assertThrowsInstanceOf(() => { arr[0] = Symbol.iterator; }, TypeError);

    assertEq(arr[0], 1);

if (typeof reportCompare === "function")

    reportCompare(0, 0);