function ToolkitGdTest::testCreateImageFromScratch

Tests creation of image from scratch, and saving to storage.

@dataProvider providerSupportedImageTypes

File

core/tests/Drupal/KernelTests/Core/Image/ToolkitGdTest.php, line 408

Class

ToolkitGdTest

Tests for the GD image toolkit.

Namespace

Code

public function testCreateImageFromScratch(int $type) : void {
  // Build an image from scratch.
  $image = $this->imageFactory
    ->get();
  $image->createNew(50, 20, image_type_to_extension($type, FALSE), '#ffff00');
  $file = 'from_null' . image_type_to_extension($type);
  $file_path = $this->directory . '/' . $file;
  $this->assertSame(50, $image->getWidth());
  $this->assertSame(20, $image->getHeight());
  $this->assertSame(image_type_to_mime_type($type), $image->getMimeType());
  $this->assertTrue($image->save($file_path), "Image '{$file}' should have been saved successfully, but it has not.");
  // Reload and check saved image.
  $image_reloaded = $this->imageFactory
    ->get($file_path);
  $this->assertTrue($image_reloaded->isValid());
  $this->assertSame(50, $image_reloaded->getWidth());
  $this->assertSame(20, $image_reloaded->getHeight());
  $this->assertSame(image_type_to_mime_type($type), $image_reloaded->getMimeType());
  if ($image_reloaded->getToolkit()
    ->getType() == IMAGETYPE_GIF) {
    $this->assertSame('#ffff00', $image_reloaded->getToolkit()
      ->getTransparentColor(), "Image '{$file}' after reload should have color channel set to #ffff00, but it has not.");
  }
  else {
    $this->assertNull($image_reloaded->getToolkit()
      ->getTransparentColor(), "Image '{$file}' after reload should have no color channel set, but it has.");
  }
}