Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\Component\Utility;
Chris@0: 
Chris@0: use Drupal\Component\Utility\Rectangle;
Chris@0: use PHPUnit\Framework\TestCase;
Chris@0: 
Chris@0: /**
Chris@0:  * @coversDefaultClass \Drupal\Component\Utility\Rectangle
Chris@0:  * @group Image
Chris@0:  */
Chris@0: class RectangleTest extends TestCase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests wrong rectangle width.
Chris@0:    *
Chris@0:    * @covers ::rotate
Chris@0:    */
Chris@0:   public function testWrongWidth() {
Chris@14:     if (method_exists($this, 'expectException')) {
Chris@14:       $this->expectException(\InvalidArgumentException::class);
Chris@14:     }
Chris@14:     else {
Chris@14:       $this->setExpectedException(\InvalidArgumentException::class);
Chris@14:     }
Chris@0:     $rect = new Rectangle(-40, 20);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests wrong rectangle height.
Chris@0:    *
Chris@0:    * @covers ::rotate
Chris@0:    */
Chris@0:   public function testWrongHeight() {
Chris@14:     if (method_exists($this, 'expectException')) {
Chris@14:       $this->expectException(\InvalidArgumentException::class);
Chris@14:     }
Chris@14:     else {
Chris@14:       $this->setExpectedException(\InvalidArgumentException::class);
Chris@14:     }
Chris@0:     $rect = new Rectangle(40, 0);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests getting rectangle dimensions after a rotation operation.
Chris@0:    *
Chris@0:    * @param int $width
Chris@0:    *   The width of the rectangle.
Chris@0:    * @param int $height
Chris@0:    *   The height of the rectangle.
Chris@0:    * @param float $angle
Chris@0:    *   The angle for rotation.
Chris@0:    * @param int $exp_width
Chris@0:    *   The expected width of the rotated rectangle.
Chris@0:    * @param int $exp_height
Chris@0:    *   The expected height of the rotated rectangle.
Chris@0:    *
Chris@0:    * @covers ::rotate
Chris@0:    * @covers ::getBoundingWidth
Chris@0:    * @covers ::getBoundingHeight
Chris@0:    *
Chris@0:    * @dataProvider providerPhp55RotateDimensions
Chris@0:    */
Chris@0:   public function testRotateDimensions($width, $height, $angle, $exp_width, $exp_height) {
Chris@0:     $rect = new Rectangle($width, $height);
Chris@0:     $rect->rotate($angle);
Chris@0:     $this->assertEquals($exp_width, $rect->getBoundingWidth());
Chris@0:     $this->assertEquals($exp_height, $rect->getBoundingHeight());
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Provides data for image dimension rotation tests.
Chris@0:    *
Chris@0:    * This dataset sample was generated by running on PHP 5.5 the function below
Chris@0:    * - first, for all integer rotation angles (-360 to 360) on a rectangle
Chris@0:    *   40x20;
Chris@0:    * - second, for 500 random float rotation angle in the range -360 to 360 on
Chris@0:    *   a rectangle 40x20;
Chris@0:    * - third, on 1000 rectangles of random WxH rotated to a random float angle
Chris@0:    *   in the range -360 to 360
Chris@0:    * - fourth, on 2000 rectangles of random WxH rotated to a random integer
Chris@0:    *   angle multiple of 30 degrees in the range -360 to 360 (which is the most
Chris@0:    *   tricky case).
Chris@0:    * Using the GD toolkit operations gives us true data coming from the GD
Chris@0:    * library that can be used to match against the Rectangle class under test.
Chris@0:    * @code
Chris@0:    *   protected function rotateResults($width, $height, $angle, &$new_width, &$new_height) {
Chris@0:    *     $image = \Drupal::service('image.factory')->get(NULL, 'gd');
Chris@0:    *     $image->createNew($width, $height);
Chris@0:    *     $old_res = $image->getToolkit()->getResource();
Chris@0:    *     $image->rotate($angle);
Chris@0:    *     $new_width = $image->getWidth();
Chris@0:    *     $new_height = $image->getHeight();
Chris@0:    *     if (is_resource($old_res)) {
Chris@0:    *       imagedestroy($old_res);
Chris@0:    *     }
Chris@0:    *   }
Chris@0:    * @endcode
Chris@0:    *
Chris@0:    * @return array[]
Chris@0:    *   A simple array of simple arrays, each having the following elements:
Chris@0:    *   - original image width
Chris@0:    *   - original image height
Chris@0:    *   - rotation angle in degrees
Chris@0:    *   - expected image width after rotation
Chris@0:    *   - expected image height after rotation
Chris@0:    *
Chris@0:    * @see testRotateDimensions()
Chris@0:    */
Chris@0:   public function providerPhp55RotateDimensions() {
Chris@0:     // The dataset is stored in a .json file because it is very large and causes
Chris@0:     // problems for PHPCS.
Chris@0:     return json_decode(file_get_contents(__DIR__ . '/fixtures/RectangleTest.json'));
Chris@0:   }
Chris@0: 
Chris@0: }