diff core/tests/Drupal/Tests/Component/Utility/RectangleTest.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/tests/Drupal/Tests/Component/Utility/RectangleTest.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,106 @@
+<?php
+
+namespace Drupal\Tests\Component\Utility;
+
+use Drupal\Component\Utility\Rectangle;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @coversDefaultClass \Drupal\Component\Utility\Rectangle
+ * @group Image
+ */
+class RectangleTest extends TestCase {
+
+  /**
+   * Tests wrong rectangle width.
+   *
+   * @covers ::rotate
+   */
+  public function testWrongWidth() {
+    $this->setExpectedException(\InvalidArgumentException::class);
+    $rect = new Rectangle(-40, 20);
+  }
+
+  /**
+   * Tests wrong rectangle height.
+   *
+   * @covers ::rotate
+   */
+  public function testWrongHeight() {
+    $this->setExpectedException(\InvalidArgumentException::class);
+    $rect = new Rectangle(40, 0);
+  }
+
+  /**
+   * Tests getting rectangle dimensions after a rotation operation.
+   *
+   * @param int $width
+   *   The width of the rectangle.
+   * @param int $height
+   *   The height of the rectangle.
+   * @param float $angle
+   *   The angle for rotation.
+   * @param int $exp_width
+   *   The expected width of the rotated rectangle.
+   * @param int $exp_height
+   *   The expected height of the rotated rectangle.
+   *
+   * @covers ::rotate
+   * @covers ::getBoundingWidth
+   * @covers ::getBoundingHeight
+   *
+   * @dataProvider providerPhp55RotateDimensions
+   */
+  public function testRotateDimensions($width, $height, $angle, $exp_width, $exp_height) {
+    $rect = new Rectangle($width, $height);
+    $rect->rotate($angle);
+    $this->assertEquals($exp_width, $rect->getBoundingWidth());
+    $this->assertEquals($exp_height, $rect->getBoundingHeight());
+  }
+
+  /**
+   * Provides data for image dimension rotation tests.
+   *
+   * This dataset sample was generated by running on PHP 5.5 the function below
+   * - first, for all integer rotation angles (-360 to 360) on a rectangle
+   *   40x20;
+   * - second, for 500 random float rotation angle in the range -360 to 360 on
+   *   a rectangle 40x20;
+   * - third, on 1000 rectangles of random WxH rotated to a random float angle
+   *   in the range -360 to 360
+   * - fourth, on 2000 rectangles of random WxH rotated to a random integer
+   *   angle multiple of 30 degrees in the range -360 to 360 (which is the most
+   *   tricky case).
+   * Using the GD toolkit operations gives us true data coming from the GD
+   * library that can be used to match against the Rectangle class under test.
+   * @code
+   *   protected function rotateResults($width, $height, $angle, &$new_width, &$new_height) {
+   *     $image = \Drupal::service('image.factory')->get(NULL, 'gd');
+   *     $image->createNew($width, $height);
+   *     $old_res = $image->getToolkit()->getResource();
+   *     $image->rotate($angle);
+   *     $new_width = $image->getWidth();
+   *     $new_height = $image->getHeight();
+   *     if (is_resource($old_res)) {
+   *       imagedestroy($old_res);
+   *     }
+   *   }
+   * @endcode
+   *
+   * @return array[]
+   *   A simple array of simple arrays, each having the following elements:
+   *   - original image width
+   *   - original image height
+   *   - rotation angle in degrees
+   *   - expected image width after rotation
+   *   - expected image height after rotation
+   *
+   * @see testRotateDimensions()
+   */
+  public function providerPhp55RotateDimensions() {
+    // The dataset is stored in a .json file because it is very large and causes
+    // problems for PHPCS.
+    return json_decode(file_get_contents(__DIR__ . '/fixtures/RectangleTest.json'));
+  }
+
+}