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<?php |
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namespace SPSS\Tests; |
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use SPSS\Buffer; |
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use SPSS\Sav\Record\Info\MachineFloatingPoint; |
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class MachineFloatingPointTest extends TestCase |
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{ |
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public function provider() |
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{ |
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return [ |
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[ |
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[ |
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'sysmis' => -1, |
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'highest' => 5, |
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'lowest' => -10, |
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], |
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[ |
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'sysmis' => -1, |
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'highest' => 5, |
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'lowest' => -10, |
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], |
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], |
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[ |
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[], |
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// -1.7976931348623E+308 php min double |
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// 1.7976931348623E+308 php max double |
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[ |
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'sysmis' => -1.7976931348623158E+308, |
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'highest' => 1.7976931348623158E+308, |
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'lowest' => -1.7976931348623158E+308, |
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], |
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], |
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]; |
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} |
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/** |
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* @dataProvider provider |
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* @param array $attributes |
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* @param array $expected |
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*/ |
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public function testWriteRead(array $attributes, array $expected) |
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{ |
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$subject = new MachineFloatingPoint(); |
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foreach ($attributes as $key => $value) { |
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$subject->{$key} = $value; |
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} |
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$buffer = Buffer::factory('', ['memory' => true]); |
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$this->assertEquals(0, $buffer->position()); |
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$subject->write($buffer); |
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$buffer->rewind(); |
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$buffer->skip(8); |
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$read = MachineFloatingPoint::fill($buffer); |
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$this->assertEquals(40, $buffer->position()); |
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foreach ($expected as $key => $value) { |
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$expected = 0; |
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$actual = bcsub($value, $read->{$key}); |
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$msg = "Wrong value received for '$key', expected '$value', got '{$read->{$key}}'"; |
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$this->assertEquals($expected, $actual, $msg); |
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} |
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} |
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} |
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collecthor /
spss
