1 files changed, 103 insertions, 0 deletions
diff --git a/tests/src/test/java/org/aspectj/systemtest/ajc1920/Java20PreviewFeaturesTests.java b/tests/src/test/java/org/aspectj/systemtest/ajc1920/Java20PreviewFeaturesTests.java
new file mode 100644
index 000000000..e597b32ec
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+++ b/tests/src/test/java/org/aspectj/systemtest/ajc1920/Java20PreviewFeaturesTests.java
@@ -0,0 +1,103 @@
+/*******************************************************************************
+ * Copyright (c) 2022 Contributors
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
+ *******************************************************************************/
+package org.aspectj.systemtest.ajc1920;
+
+import junit.framework.Test;
+import org.aspectj.apache.bcel.Constants;
+import org.aspectj.testing.XMLBasedAjcTestCase;
+import org.aspectj.testing.XMLBasedAjcTestCaseForJava20Only;
+
+/**
+ * @author Alexander Kriegisch
+ */
+public class Java20PreviewFeaturesTests extends XMLBasedAjcTestCaseForJava20Only {
+
+  public void testSwitchPatternMatchingPreview4Java() {
+    runTest("switch pattern matching preview 4 java");
+    checkVersion("SwitchPatternPreview4OK", Constants.MAJOR_20, Constants.PREVIEW_MINOR_VERSION);
+  }
+
+  public void testSwitchPatternMatchingPreview4Error() {
+    runTest("switch pattern matching preview 4 error");
+  }
+
+  public void testSwitchPatternMatchingPreview3Aspect() {
+    runTest("switch pattern matching preview 3 aspect");
+    checkVersion("SwitchPatternPreview3Aspect", Constants.MAJOR_20, Constants.PREVIEW_MINOR_VERSION);
+    checkVersion("Application", Constants.MAJOR_20, Constants.PREVIEW_MINOR_VERSION);
+    checkVersion("Shape", Constants.MAJOR_20, Constants.PREVIEW_MINOR_VERSION);
+    checkVersion("S", Constants.MAJOR_20, Constants.PREVIEW_MINOR_VERSION);
+  }
+
+  public void testSwitchPatternMatchingCaseLabelDominatedByPrecedingError() {
+    runTest("switch pattern matching error");
+  }
+
+  public void testSwitchPatternMatchingPreview3Error1() {
+    runTest("switch pattern matching preview 3 error 1");
+  }
+
+  public void testSwitchPatternMatchingPreview3Error2() {
+    runTest("switch pattern matching preview 3 error 2");
+  }
+
+  public void testRecordPatternsPreview1OK() {
+    // https://github.com/eclipse-jdt/eclipse.jdt.core/issues/450
+    runTest("record patterns");
+  }
+
+  public void testRecordPatternsPreview1Error() {
+    // https://github.com/eclipse-jdt/eclipse.jdt.core/issues/450 (fixed for preview 2 in Eclipse 2033-03, 4.27)
+    runTest("record patterns error");
+    checkVersion("RecordPatternsPreview1Error", Constants.MAJOR_20, Constants.PREVIEW_MINOR_VERSION);
+    checkVersion("Box", Constants.MAJOR_20, Constants.PREVIEW_MINOR_VERSION);
+  }
+
+  public void testRecordPatternsPreview1ExhaustivenessOK1() {
+    // Falsely throws 'An enhanced switch statement should be exhaustive; a default label expected' twice,
+    // see https://github.com/eclipse-jdt/eclipse.jdt.core/issues/455
+    // TODO: Remove redundant default clauses when fixed upstream
+    System.out.println("TODO: fully activate when https://github.com/eclipse-jdt/eclipse.jdt.core/issues/455 has been fixed");
+    runTest("record patterns exhaustiveness 1");
+  }
+
+  public void testRecordPatternsPreview1Aspect() {
+    runTest("record patterns aspect");
+  }
+
+  public void testRecordPatternsPreview1ExhaustivenessAspect() {
+    // Falsely throws 'An enhanced switch statement should be exhaustive; a default label expected' twice,
+    // see https://github.com/eclipse-jdt/eclipse.jdt.core/issues/455
+    // TODO: Remove redundant default clauses when fixed upstream
+    System.out.println("TODO: fully activate when https://github.com/eclipse-jdt/eclipse.jdt.core/issues/455 has been fixed");
+    runTest("record patterns exhaustiveness aspect");
+  }
+
+  public void testRecordPatternsPreview1ExhaustivenessError() {
+    // See https://github.com/eclipse-jdt/eclipse.jdt.core/issues/455
+    runTest("record patterns exhaustiveness error");
+  }
+
+  public void testRecordPatternsPreview1ExhaustivenessOK2() {
+    // Falsely throws 'An enhanced switch statement should be exhaustive; a default label expected',
+    // see https://github.com/eclipse-jdt/eclipse.jdt.core/issues/398
+    // TODO: activate when fixed
+    System.out.println("TODO: activate when https://github.com/eclipse-jdt/eclipse.jdt.core/issues/398 has been fixed");
+    //runTest("record patterns exhaustiveness 2");
+  }
+
+  public static Test suite() {
+    return XMLBasedAjcTestCase.loadSuite(Java20PreviewFeaturesTests.class);
+  }
+
+  @Override
+  protected java.net.URL getSpecFile() {
+    return getClassResource("ajc1920.xml");
+  }
+
+}