added unicode escape tests

Author: sabberworm

tests/CSSParserTests.php

@@ -61,6 +61,49 @@ function testColorParsing() {
 		}
 	}
 
+	function testUnicodeParsing() {
+		$oDoc = $this->parsedStructureForFile('unicode');
+		foreach($oDoc->getAllRuleSets() as $oRuleSet) {
+			if(!$oRuleSet instanceof CSSSelector) {
+				continue;
+			}
+			$aSelector = $oRuleSet->getSelector();
+			if(substr($aSelector[0], 0, strlen('.test-'))  !== '.test-') {
+				continue;
+			}
+			$aContentRules = $oRuleSet->getRules('content');
+			$aContents = $aContentRules['content']->getValues();
+			$sCssString = $aContents[0][0]->__toString();
+			if($aSelector[0] === '.test-1') {
+				$this->assertSame('" "', $sCssString);
+			}
+			if($aSelector[0] === '.test-2') {
+				$this->assertSame('"é"', $sCssString);
+			}
+			if($aSelector[0] === '.test-3') {
+				$this->assertSame('" "', $sCssString);
+			}
+			if($aSelector[0] === '.test-4') {
+				$this->assertSame('"𝄞"', $sCssString);
+			}
+			if($aSelector[0] === '.test-5') {
+				$this->assertSame('"水"', $sCssString);
+			}
+			if($aSelector[0] === '.test-6') {
+				$this->assertSame('"¥"', $sCssString);
+			}
+			if($aSelector[0] === '.test-7') {
+				$this->assertSame('"\A"', $sCssString);
+			}
+			if($aSelector[0] === '.test-8') {
+				$this->assertSame('"\"\""', $sCssString);
+			}
+			if($aSelector[0] === '.test-9') {
+				$this->assertSame('"\"\\\'"', $sCssString);
+			}
+		}
+	}
+	
 	function parsedStructureForFile($sFileName) {
 		$sFile = dirname(__FILE__).DIRECTORY_SEPARATOR.'files'.DIRECTORY_SEPARATOR."$sFileName.css";
 		$oParser = new CSSParser(file_get_contents($sFile));

tests/files/unicode.css

@@ -0,0 +1,10 @@
+.test-1 { content: "\20"; }
+.test-2 { content: "\E9"; }
+.test-3 { content: "\0020"; }
+.test-5 { content: "\6C34" }
+.test-6 { content: "\00A5" }
+.test-7 { content: '\a' }
+.test-8 { content: "\"\22" }
+.test-9 { content: "\"\27" }
+
+.test-4 { content: "\1D11E" } /* Beyond the Basic Multilingual Plane */