Test the image_scale_effect() function.
function testScaleEffect() {
// @todo: need to test upscaling.
$this
->assertTrue(image_scale_effect($this->image, array(
'width' => 10,
'height' => 10,
)), 'Function returned the expected value.');
$this
->assertToolkitOperationsCalled(array(
'resize',
));
// Check the parameters.
$calls = image_test_get_all_calls();
$this
->assertEqual($calls['resize'][0][1], 10, 'Width was passed correctly');
$this
->assertEqual($calls['resize'][0][2], 5, 'Height was based off aspect ratio and passed correctly');
}