Convert runtime performance test suite from JUnit3 to JUnit5

runtime/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/runtime/perf/AllPerfTests.java

@@ -13,40 +13,73 @@
  *******************************************************************************/
 package org.eclipse.core.tests.runtime.perf;
 
-import junit.framework.*;
 import org.eclipse.core.tests.runtime.RuntimeTestsPlugin;
-import org.eclipse.core.tests.session.*;
+import org.eclipse.core.tests.session.PerformanceSessionTestSuite;
+import org.eclipse.core.tests.session.Setup;
 import org.eclipse.core.tests.session.SetupManager.SetupException;
+import org.eclipse.core.tests.session.UIPerformanceSessionTestSuite;
+import org.junit.jupiter.api.DynamicTest;
+import org.junit.jupiter.api.TestFactory;
+import org.junit.platform.suite.api.SelectClasses;
+import org.junit.platform.suite.api.Suite;
 
-public class AllPerfTests extends TestCase {
-	public static Test suite() {
-		TestSuite suite = new TestSuite(AllPerfTests.class.getName());
+import java.util.ArrayList;
+import java.util.List;
+
+@Suite
+@SelectClasses({ //
+		BenchPath.class, //
+		PreferencePerformanceTest.class, //
+})
+public class AllPerfTests {
+
+	@TestFactory
+	List<DynamicTest> createPerformanceTests() {
+		List<DynamicTest> tests = new ArrayList<>();
 
 		// make sure that the first run of the startup test is not recorded - it is heavily
 		// influenced by the presence and validity of the cached information
 		try {
 			PerformanceSessionTestSuite firstRun = new PerformanceSessionTestSuite(RuntimeTestsPlugin.PI_RUNTIME_TESTS, 1, StartupTest.class);
 			Setup setup = firstRun.getSetup();
 			setup.setSystemProperty("eclipseTest.ReportResults", "false");
-			suite.addTest(firstRun);
+			tests.add(DynamicTest.dynamicTest("Warm-up StartupTest", () -> {
+				// Execute the warm-up test
+				firstRun.run(null);
+			}));
 		} catch (SetupException e) {
-			fail("Unable to create warm up test");
+			tests.add(DynamicTest.dynamicTest("Warm-up test setup failed", () -> {
+				throw new RuntimeException("Unable to create warm up test", e);
+			}));
 		}
 
 		// For this test to take advantage of the new runtime processing, we set "-eclipse.activateRuntimePlugins=false"
 		try {
 			PerformanceSessionTestSuite headlessSuite = new PerformanceSessionTestSuite(RuntimeTestsPlugin.PI_RUNTIME_TESTS, 5, StartupTest.class);
 			Setup headlessSetup = headlessSuite.getSetup();
 			headlessSetup.setSystemProperty("eclipse.activateRuntimePlugins", "false");
-			suite.addTest(headlessSuite);
+			tests.add(DynamicTest.dynamicTest("Headless StartupTest", () -> {
+				// Execute the headless performance test
+				headlessSuite.run(null);
+			}));
 		} catch (SetupException e) {
-			fail("Unable to setup headless startup performance test");
+			tests.add(DynamicTest.dynamicTest("Headless test setup failed", () -> {
+				throw new RuntimeException("Unable to setup headless startup performance test", e);
+			}));
 		}
 
-		suite.addTest(new UIPerformanceSessionTestSuite(RuntimeTestsPlugin.PI_RUNTIME_TESTS, 5, UIStartupTest.class));
-		suite.addTestSuite(BenchPath.class);
-		suite.addTest(ContentTypePerformanceTest.suite());
-		suite.addTestSuite(PreferencePerformanceTest.class);
-		return suite;
+		// UI startup performance test
+		UIPerformanceSessionTestSuite uiSuite = new UIPerformanceSessionTestSuite(RuntimeTestsPlugin.PI_RUNTIME_TESTS, 5, UIStartupTest.class);
+		tests.add(DynamicTest.dynamicTest("UI StartupTest", () -> {
+			// Execute the UI performance test
+			uiSuite.run(null);
+		}));
+
+		// Content type performance tests (handled via dynamic test to preserve complex suite behavior)
+		tests.add(DynamicTest.dynamicTest("ContentType Performance Tests", () -> {
+			ContentTypePerformanceTest.suite().run(null);
+		}));
+
+		return tests;
 	}
 }