Add unit tests for @namespace support

Author: sabberworm

tests/Sabberworm/CSS/ParserTest.php

@@ -254,6 +254,13 @@ function testCreateShorthands() {
 		$this->assertSame($sExpected, $oDoc->__toString());
 	}
 
+	function testNamespaces() {
+		$oDoc = $this->parsedStructureForFile('namespaces');
+		$sExpected = '@namespace toto "http://toto.example.org";@namespace "http://example.com/foo";@namespace foo url("http://www.example.com/");@namespace foo url("http://www.example.com/");foo|test {gaga: 1;}
+|test {gaga: 2;}' . "\n";
+		$this->assertSame($sExpected, $oDoc->__toString());
+	}
+
 	function testPrefixedGradient() {
 		$oDoc = $this->parsedStructureForFile('webkit');
 		$sExpected = '.test {background: -webkit-linear-gradient(top right,white,black);}' . "\n";

tests/files/namespaces.css

@@ -0,0 +1,18 @@
+/* From the spec at http://www.w3.org/TR/css3-namespace/ */
+
+@namespace toto "http://toto.example.org";
+@namespace "http://example.com/foo";
+
+
+/* From an introduction at http://www.blooberry.com/indexdot/css/syntax/atrules/namespace.htm */
+@namespace foo url("http://www.example.com/");
+@namespace foo url('http://www.example.com/');
+
+
+foo|test {
+	gaga: 1;
+}
+
+|test {
+	gaga: 2;
+}