Parsing fails when assert is used as an identifier when in JDK 1.4 mode

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@2257 51baf565-9d33-0410-a72c-fc3788e3496d

pmd/etc/grammar/Java1.4-c.jjt

@@ -532,6 +532,9 @@ void VariableDeclaratorId() :
   }
   ( "[" "]" )*
   {
+    if (!usingAssertAsIdentifier && s.equals("assert")) {
+      throw new ParseException("Can't use 'assert' as an identifier when running in JDK 1.4 mode!");
+    }
     jjtThis.setImage( s );
   }
 }

pmd/regress/test/net/sourceforge/pmd/ast/AssertTest.java

@@ -16,8 +16,6 @@ public class AssertTest extends TestCase  {
         new JavaParser(new StringReader(TEST4)).CompilationUnit();
     }
 
-/*
-TODO
     public void testAssertAsIdentifierFailsWith1_4() {
         try {
             new JavaParser(new StringReader(TEST5)).CompilationUnit();
@@ -26,10 +24,11 @@ TODO
             // cool
         }
     }
-*/
 
     public void testAssertAsIdentifierSucceedsWith1_3() {
-        new JavaParser(new StringReader(TEST6)).CompilationUnit();
+        JavaParser jp = new JavaParser(new StringReader(TEST6));
+        jp.setAssertAsIdentifier();
+        jp.CompilationUnit();
     }
 
     public void testAssertAsKeywordFailsWith1_3() {