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<?php |
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namespace itertools; |
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use DateInterval; |
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use PHPUnit_Framework_TestCase; |
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class StopwatchIteratorTest extends PHPUnit_Framework_TestCase |
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{ |
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/** @test */ |
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public function testBasicFunctionality() |
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{ |
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$stopwatchIterator = new StopwatchIterator(new RangeIterator(0, 10)); |
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$this->assertEquals(0, $stopwatchIterator->getElapsedTime()); |
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$this->assertTrue(is_nan($stopwatchIterator->getSpeed())); |
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$count = 0; |
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foreach($stopwatchIterator as $element) { |
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usleep(10 * 1000); |
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$this->assertEquals($count, $element); |
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$this->assertEquals($count, $stopwatchIterator->getIterationCount()); |
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$count += 1; |
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if($element != 0) { |
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$this->assertGreaterThan(10, $stopwatchIterator->getSpeed()); |
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} |
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} |
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$this->assertLessThan(microtime(true), $stopwatchIterator->getStartTime()); |
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$elapsedTime = $stopwatchIterator->getElapsedTime(); |
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$this->assertEquals($elapsedTime, $stopwatchIterator->getElapsedTime(), 'Time counter should stop after finish'); |
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$this->assertNotNull($stopwatchIterator->getStopTime()); |
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} |
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/** @test */ |
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public function testAutoPrint() |
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{ |
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$fp = fopen('php://memory', 'r+'); |
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$stopwatchIterator = new StopwatchIterator(new RangeIterator(0, 10), array('autoPrint' => true, 'printTo' => $fp, 'printInterval' => DateInterval::createFromDateString('0 seconds'))); |
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foreach($stopwatchIterator as $element) { |
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} |
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rewind($fp); |
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$this->assertEquals(11, substr_count(stream_get_contents($fp), "\n")); |
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} |
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/** @test */ |
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public function testAutoPrintWithStringFile() |
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{ |
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$stopwatchIterator = new StopwatchIterator(new RangeIterator(0, 10), array('autoPrint' => true, 'printTo' => 'php://memory', 'printInterval' => DateInterval::createFromDateString('0 seconds'))); |
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foreach($stopwatchIterator as $element) { |
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} |
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} |
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/** |
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* @test |
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* @expectedException InvalidArgumentException |
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*/ |
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public function testAutoPrintWithInvalidStringFile() |
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{ |
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$stopwatchIterator = new StopwatchIterator(new RangeIterator(0, 10), array('autoPrint' => true, 'printTo' => '', 'printInterval' => DateInterval::createFromDateString('0 seconds'))); |
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foreach($stopwatchIterator as $element) { |
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} |
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} |
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/** |
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* @test |
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* @expectedException InvalidArgumentException |
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*/ |
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public function testAutoPrintWithInvalidFile() |
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{ |
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$stopwatchIterator = new StopwatchIterator(new RangeIterator(0, 10), array('autoPrint' => true, 'printTo' => 1234, 'printInterval' => DateInterval::createFromDateString('0 seconds'))); |
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foreach($stopwatchIterator as $element) { |
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} |
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} |
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/** |
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* @test |
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* @expectedException InvalidArgumentException |
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*/ |
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public function testAutoPrintWithInvalidPrintInterval() |
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{ |
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$stopwatchIterator = new StopwatchIterator(new RangeIterator(0, 10), array('printInterval' => 123)); |
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foreach($stopwatchIterator as $element) { |
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} |
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} |
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/** |
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* @test |
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* @expectedException InvalidArgumentException |
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*/ |
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public function testFileCsvIteratorWithInvalidArguments() |
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{ |
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$stopwatchIterator = new StopwatchIterator(new RangeIterator(0, 10), array('a' => 'b')); |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.