Add additional unit test for empty tokens{} block in grammar

2013-03-26 23:56:19 -05:00 · 2013-03-26 23:56:19 -05:00 · 05f4b76fab
parent b4413e8656
commit 05f4b76fab
1 changed files with 11 additions and 0 deletions
--- a/tool/test/org/antlr/v4/test/TestToolSyntaxErrors.java
+++ b/tool/test/org/antlr/v4/test/TestToolSyntaxErrors.java
@ -217,4 +217,15 @@ public class TestToolSyntaxErrors extends BaseTest {
 		};
 		super.testErrors(pair, true);
 	}
+
+	@Test public void testEmptyTokensBlock() {
+		String[] pair = new String[] {
+			"grammar A;\n" +
+			"tokens {}\n" +
+			"a : 'x' ;\n",
+
+			""
+		};
+		super.testErrors(pair, true);
+	}
 }