Add regression test for #257

Relates to #257.

Signed-off-by: Alexander Kriegisch <Alexander@Kriegisch.name>

1 files changed, 9 insertions, 0 deletions

diff --git a/tests/src/test/java/org/aspectj/systemtest/ajc1920/Bugs1920Tests.java b/tests/src/test/java/org/aspectj/systemtest/ajc1920/Bugs1920Tests.java
index e1f3fa1ca..b1942f11b 100644
--- a/tests/src/test/java/org/aspectj/systemtest/ajc1920/Bugs1920Tests.java
+++ b/tests/src/test/java/org/aspectj/systemtest/ajc1920/Bugs1920Tests.java
@@ -79,6 +79,15 @@ public class Bugs1920Tests extends XMLBasedAjcTestCase {
     runTest("do not match bridge methods");
   }
 
+  /**
+   * In 1.9.20, a regression bug occurred, matching negated types like '!void' and '!String' incorrectly.
+   * <p>
+   * See <a href="https://github.com/eclipse-aspectj/aspectj/issues/257">GitHub issue 257</a>.
+   */
+  public void test_GitHub_257() {
+    runTest("handle negated type patterns correctly");
+  }
+
   public static Test suite() {
     return XMLBasedAjcTestCase.loadSuite(Bugs1920Tests.class);
   }