1 files changed, 45 insertions, 0 deletions
diff --git a/modules/simpletest/tests/common.test b/modules/simpletest/tests/common.test
index e7b5af694..291750982 100644
--- a/modules/simpletest/tests/common.test
+++ b/modules/simpletest/tests/common.test
@@ -625,6 +625,51 @@ class DrupalCSSIdentifierTestCase extends DrupalUnitTestCase {
   }
 }
 
+
+/**
+ * CSS Unit Tests.
+ */
+class CascadingStylesheetsUnitTestCase extends DrupalWebTestCase {
+  public static function getInfo() {
+    return array(
+      'name' => 'CSS Unit Tests',
+      'description' => 'Unit tests on CSS functions like aggregation.',
+      'group' => 'System',
+    );
+  }
+
+  /**
+   * Tests basic CSS loading with and without optimization
+   * (drupal_load_stylesheet()).
+   * This can be enhanced by adding additional css files with variant test cases.
+   * Currently, this is specifically testing to make sure that whitespace
+   * is treated with adequate respect (not arbitrarily removing linefeeds).
+   */
+  function testLoadCssBasic() {
+    /**
+     * Array of files to test. Original = .css,
+     * unoptimized expected output = .css.unoptimized.css,
+     * optimized expected = .css.optimized.css
+     * They live in the simpletest/files/css_test_files directory
+     */
+    $testfiles = array('css_input_without_import.css', );
+    $path = drupal_get_path('module', 'simpletest') . '/files/css_test_files';
+    foreach ($testfiles as $file) {
+      $expected = file_get_contents("$path/$file.unoptimized.css");
+      $unoptimized_output = drupal_load_stylesheet("$path/$file", FALSE);
+      $this->assertEqual($unoptimized_output, $expected,
+        t('Loaded CSS Stylesheet has expected contents (unoptimized) (@file)',
+          array('@file' => $file)));
+      $expected = file_get_contents("$path/$file.optimized.css");
+      $optimized_output = drupal_load_stylesheet("$path/$file", TRUE);
+      $this->assertEqual($optimized_output, $expected,
+        t('Loaded CSS Stylesheet has expected contents (optimized) (@file)',
+          array('@file' => $file)));
+    }
+  }
+}
+
+
 /**
  * Test drupal_http_request().
  */