/** * Test unit conversion functions with various numbers */ public function testUnitConversions() { $values[] = 0; // zero value $values[] = rand(1, 100) / 100; // fraction number $values[] = rand(1, 100); // integer foreach ($values as $value) { $result = Drawing::pixelsToEMU($value); $this->assertEquals(round($value * 9525), $result); $result = Drawing::EMUToPixels($value); $this->assertEquals(round($value / 9525), $result); $result = Drawing::pixelsToPoints($value); $this->assertEquals($value * 0.6777777699999999, $result); $result = Drawing::pointsToPixels($value); $this->assertEquals($value * 1.333333333, $result); $result = Drawing::degreesToAngle($value); $this->assertEquals((int) round($value * 60000), $result); $result = Drawing::angleToDegrees($value); $this->assertEquals(round($value / 60000), $result); $result = Drawing::pixelsToCentimeters($value); $this->assertEquals($value * 0.028, $result); $result = Drawing::centimetersToPixels($value); $this->assertEquals($value / 0.028, $result); } }