зеркало из https://github.com/mozilla/gecko-dev.git
41 строка
1.0 KiB
JavaScript
41 строка
1.0 KiB
JavaScript
/**
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* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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function getBuffer(size)
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{
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let buffer = new ArrayBuffer(size);
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is(buffer.byteLength, size, "Correct byte length");
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return buffer;
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}
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// May be called for any size, but you should call getBuffer() if you know
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// that size is big and that randomness is not necessary because it is
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// noticeably faster.
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function getRandomBuffer(size)
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{
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let buffer = getBuffer(size);
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let view = new Uint8Array(buffer);
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for (let i = 0; i < size; i++) {
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view[i] = parseInt(Math.random() * 255)
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}
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return buffer;
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}
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function compareBuffers(buffer1, buffer2)
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{
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if (buffer1.byteLength != buffer2.byteLength) {
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return false;
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}
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let view1 = buffer1 instanceof Uint8Array ? buffer1 : new Uint8Array(buffer1);
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let view2 = buffer2 instanceof Uint8Array ? buffer2 : new Uint8Array(buffer2);
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for (let i = 0; i < buffer1.byteLength; i++) {
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if (view1[i] != view2[i]) {
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return false;
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}
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}
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return true;
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}
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