Removed confusing test I changed earlier. Added a new test.

tests/TestCase/Routing/RouterTest.php

@@ -1846,37 +1846,25 @@ class RouterTest extends TestCase {
 	}
 
 /**
- * Test that setting a prefix is just like setting any other default route parameter.
+ * Test that well known route parameters are passed through.
  *
  * @return void
  */
-	public function testPrefixJustADefault() {
+	public function testRouteParamDefaults() {
 		Configure::write('Routing.prefixes', array('admin'));
 		Router::reload();
+		Router::connect('/cache/*', array('prefix' => false, 'plugin' => true, 'controller' => 0, 'action' => 1));
 
-		Router::connect('/cache_css/*', array('prefix' => false, 'controller' => 'asset_compress', 'action' => 'get'));
-
-		$url = Router::url(array('controller' => 'asset_compress', 'action' => 'get', 'test'));
-		$expected = '/';
-		$this->assertEquals($expected, $url);
-
-		$url = Router::url(array('prefix' => false, 'controller' => 'asset_compress', 'action' => 'get', 'test'));
-		$expected = '/cache_css/test';
-		$this->assertEquals($expected, $url);
-
-		Router::reload();
-		Router::connect('/cache_css/*', array('prefix' => false, 'anything' => false, 'controller' => 'asset_compress', 'action' => 'get'));
-
-		$url = Router::url(array('controller' => 'asset_compress', 'action' => 'get', 'test'));
+		$url = Router::url(array('controller' => 0, 'action' => 1, 'test'));
 		$expected = '/';
 		$this->assertEquals($expected, $url);
 
-		$url = Router::url(array('prefix' => false, 'controller' => 'asset_compress', 'action' => 'get', 'test'));
+		$url = Router::url(array('prefix' => 1, 'controller' => 0, 'action' => 1, 'test'));
 		$expected = '/';
 		$this->assertEquals($expected, $url);
 
-		$url = Router::url(array('prefix' => false, 'anything' => false, 'controller' => 'asset_compress', 'action' => 'get', 'test'));
-		$expected = '/cache_css/test';
+		$url = Router::url(array('prefix' => 0, 'plugin' => 1, 'controller' => 0, 'action' => 1, 'test'));
+		$expected = '/cache/test';
 		$this->assertEquals($expected, $url);
 	}