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53 lines
1.7 KiB
53 lines
1.7 KiB
<?php
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namespace RouterOS\Tests\Helpers;
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use PHPUnit\Framework\TestCase;
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use RouterOS\Helpers\BinaryStringHelper;
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/**
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* Limit code coverage to the class
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*
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* @coversDefaultClass \RouterOS\Helpers\BinaryStringHelper
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*/
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class BinaryStringHelperTest extends TestCase
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{
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/**
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* @dataProvider IntegerToNBOBinaryStringProvider
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* @covers ::IntegerToNBOBinaryString
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*/
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public function test__IntegerToNBOBinaryString($value, $expected)
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{
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$this->assertEquals($expected, BinaryStringHelper::IntegerToNBOBinaryString($value));
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}
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public function IntegerToNBOBinaryStringProvider(): array
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{
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$default = [
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[0, chr(0)], // lower boundary value
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[0xFFFFFFFF, chr(0xFF) . chr(0xFF) . chr(0xFF) . chr(0xFF)], // 32 bits maximal value
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// strange behaviour :
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// TypeError: Argument 1 passed to RouterOS\Tests\Helpers\BinaryStringHelperTest::test__IntegerToNBOBinaryString() must be of the type integer, float given
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// Seems that php auto convert to float 0xFFF....
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//
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// [0xFFFFFFFFFFFFFFFF, chr(0xFF).chr(0xFF).chr(0xFF).chr(0xFF).chr(0xFF).chr(0xFF).chr(0xFF).chr(0xFF)],
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// Let's try random value
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[0x390DDD99, chr(0x39) . chr(0x0D) . chr(0xDD) . chr(0x99)],
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];
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if (PHP_INT_SIZE < 8) {
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return $default;
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}
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$append = [
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// -1 is encoded with 0xFFFFFFF.....
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// 64 bits maximal value (on a 64 bits system only)
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[-1, chr(0xFF) . chr(0xFF) . chr(0xFF) . chr(0xFF) . chr(0xFF) . chr(0xFF) . chr(0xFF) . chr(0xFF)], // 64 bits upper boundary value
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];
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return array_merge($default, $append);
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}
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}
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