Merge pull request #17 from k00ni/patch-2

UtilTest.php: two new tests to check reaction of getLiteralLanguage and getLiteralValue if non-literal was given

test/UtilTest.php

@@ -119,6 +119,14 @@ public function testGetLiteralValue () {
         //it('does not work with null', function () {
         //TODO: Util::getLiteralValue.bind(null, null).should.throw('null is not a literal');    
     }
+
+    // tests reaction if no literal was given
+    public function testGetLiteralValueNoLiteralGiven()
+    {
+        $this->expectException('\Exception');
+
+        Util::getLiteralValue('invalid');
+    }
 
     public function testGetLiteralType () {
         //it('gets the type of a literal', function () {
@@ -212,6 +220,14 @@ public function testGetLiteralLanguageMultilineString()
         $this->assertEquals('en', Util::getLiteralLanguage($literal));
     }
 
+    // tests reaction if no language was given
+    public function testGetLiteralLanguageNoLiteralGiven()
+    {
+        $this->expectException('\Exception');
+
+        Util::getLiteralLanguage('invalid');
+    }
+
     public function testIsPrefixedName () {
         //it('matches a prefixed name', function () {
         $this->assertEquals(true,Util::isPrefixedName('ex:Test'));
@@ -373,4 +389,4 @@ public function testthe function () {
             }
 */
 }
-
+