91 lines
2.6 KiB
PHP
91 lines
2.6 KiB
PHP
<?php
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/**
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* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0.
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*/
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use AWS\CRT\CRT;
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require_once('common.inc');
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final class CrcTest extends CrtTestCase {
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public function testCrc32ZeroesOneShot() {
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$input = implode(array_map("chr", array_fill(0, 32, 0)));
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$output = CRT::crc32($input);
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$expected = 0x190A55AD;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32ZeroesIterated() {
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$output = 0;
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for ($i = 0; $i < 32; $i++) {
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$output = CRT::crc32("\x00", $output);
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}
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$expected = 0x190A55AD;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32ValuesOneShot() {
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$input = implode(array_map("chr", range(0, 31)));
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$output = CRT::crc32($input);
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$expected = 0x91267E8A;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32ValuesIterated() {
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$output = 0;
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foreach (range(0, 31) as $n) {
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$output = CRT::crc32(chr($n), $output);
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}
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$expected = 0x91267E8A;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32LargeBuffer() {
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$input = implode(array_map("chr", array_fill(0, 1 << 20, 0)));
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$output = CRT::crc32($input);
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$expected = 0xA738EA1C;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32cZeroesOneShot() {
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$input = implode(array_map("chr", array_fill(0, 32, 0)));
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$output = CRT::crc32c($input);
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$expected = 0x8A9136AA;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32cZeroesIterated() {
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$output = 0;
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for ($i = 0; $i < 32; $i++) {
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$output = CRT::crc32c("\x00", $output);
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}
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$expected = 0x8A9136AA;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32cValuesOneShot() {
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$input = implode(array_map("chr", range(0, 31)));
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$output = CRT::crc32c($input);
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$expected = 0x46DD794E;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32cValuesIterated() {
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$output = 0;
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foreach (range(0, 31) as $n) {
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$output = CRT::crc32c(chr($n), $output);
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}
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$expected = 0x46DD794E;
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$this->assertEquals($output, $expected);
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}
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public function testCrc32cLargeBuffer() {
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$input = implode(array_map("chr", array_fill(0, 1 << 20, 0)));
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$output = CRT::crc32c($input);
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$expected = 0x14298C12;
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$this->assertEquals($output, $expected);
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}
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}
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