Add unit test for invalid selectors

Author: raxbg

tests/Sabberworm/CSS/ParserTest.php

@@ -432,6 +432,14 @@ function testUnmatchedBracesInFile() {
 		$this->assertSame($sExpected, $oDoc->render());
 	}
 
+	function testInvalidSelectorsInFile() {
+		$oDoc = $this->parsedStructureForFile('invalid-selectors', Settings::create()->withMultibyteSupport(true));
+		$sExpected = '@keyframes mymove {from {top: 0px;}}
+#test {color: white;background: green;}
+#test {display: block;background: white;color: black;}';
+		$this->assertSame($sExpected, $oDoc->render());
+	}
+
 	/**
 	* @expectedException Sabberworm\CSS\Parsing\UnexpectedTokenException
 	*/

tests/files/invalid-selectors.css

@@ -0,0 +1,24 @@
+@keyframes mymove {
+  from { top: 0px; }
+}
+
+#test {
+  color: white;
+  background: green;
+}
+
+body 
+  background: black;
+  }
+
+#test {
+  display: block;
+  background: red;
+  color: white;
+}
+#test {
+  display: block;
+  background: white;
+  color: black;
+}
+