42 lines
1.1 KiB
PHP
42 lines
1.1 KiB
PHP
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<?php
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namespace NoccyLabs\Histogram;
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class BufferTest extends \PhpUnit\Framework\TestCase
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{
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public function testThatCreatingBufferSetsSize()
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{
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$buffer = new Buffer(2);
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$buffer->pushSamples(1, 2, 3);
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$this->assertEquals(2, count($buffer));
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$this->assertEquals([2, 3], $buffer->getSamples());
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}
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public function testGettingSampleMaxMinValues()
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{
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$buffer = new Buffer(5);
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$buffer->pushSamples(10, 20, 30, 40, 50);
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$this->assertEquals(10, $buffer->getSampleMin());
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$this->assertEquals(30, $buffer->getSampleAverage());
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$this->assertEquals(50, $buffer->getSampleMax());
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}
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public function testMappingTheBuffer()
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{
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$buffer = new Buffer(5);
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$buffer->pushSamples(10, 20, 30, 40, 50);
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$mapped = $buffer->getMappedSamples(0, 1000, 0, 100);
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$this->assertEquals([1, 2, 3, 4, 5], $mapped);
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$mapped = $buffer->getMappedSamples(0, 100, 500, 600);
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$this->assertEquals([510, 520, 530, 540, 550], $mapped);
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$mapped = $buffer->getMappedSamples(0, 100);
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$this->assertEquals([0.1, 0.2, 0.3, 0.4, 0.5], $mapped);
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}
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}
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