1 files changed, 166 insertions, 0 deletions
diff --git a/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/container/ModuleWiringTest.java b/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/container/ModuleWiringTest.java
new file mode 100644
index 000000000..84377c5e5
--- /dev/null
+++ b/bundles/org.eclipse.osgi.tests/src/org/eclipse/osgi/tests/container/ModuleWiringTest.java
@@ -0,0 +1,166 @@
+/*******************************************************************************
+ * Copyright (c) 2021, 2021 Hannes Wellmann and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     Hannes Wellmann - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.osgi.tests.container;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import org.eclipse.osgi.container.Module;
+import org.eclipse.osgi.container.ModuleCapability;
+import org.eclipse.osgi.container.ModuleContainer;
+import org.eclipse.osgi.container.ModuleRequirement;
+import org.eclipse.osgi.container.ModuleRevision;
+import org.eclipse.osgi.container.ModuleWire;
+import org.eclipse.osgi.container.ModuleWiring;
+import org.eclipse.osgi.tests.container.dummys.DummyContainerAdaptor;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.osgi.framework.BundleException;
+import org.osgi.framework.Constants;
+import org.osgi.framework.wiring.BundleCapability;
+import org.osgi.framework.wiring.BundleRequirement;
+import org.osgi.framework.wiring.BundleWire;
+import org.osgi.resource.Capability;
+import org.osgi.resource.Requirement;
+import org.osgi.resource.Wire;
+
+public class ModuleWiringTest extends AbstractTest {
+
+	private ModuleWiring wiring;
+
+	@Before
+	public void setUpBefore() throws BundleException, IOException {
+		// Based on TestModuleContainer.testSimpleResolve
+		DummyContainerAdaptor adaptor = createDummyAdaptor();
+		ModuleContainer container = adaptor.getContainer();
+
+		Module systemBundle = installDummyModule("system.bundle.MF", Constants.SYSTEM_BUNDLE_LOCATION, container);
+		ModuleRevision systemRevision = systemBundle.getCurrentRevision();
+		container.resolve(Arrays.asList(systemBundle), true);
+		ModuleWiring systemWiring = systemRevision.getWiring();
+		assertNotNull("system wiring is null", systemWiring);
+
+		Module b1 = installDummyModule("b1_v1.MF", "b1", container);
+		ModuleRevision b1Revision = b1.getCurrentRevision();
+		container.resolve(Arrays.asList(b1), true);
+		wiring = b1Revision.getWiring();
+		assertNotNull("b1 wiring is null", wiring);
+	}
+
+	// --- test org.eclipse.osgi.container.ModuleWiring specific methods ---
+
+	@Test
+	public void testGetModuleCapabilities_isUnmodifiable() {
+		List<ModuleCapability> capabilities = wiring.getModuleCapabilities(null);
+		assertUnmodifiable(capabilities);
+	}
+
+	@Test
+	public void testGetModuleRequirements_isUnmodifiable() {
+		List<ModuleRequirement> requirements = wiring.getModuleRequirements(null);
+		assertUnmodifiable(requirements);
+	}
+
+	@Test
+	public void testGetProvidedModuleWires_isUnmodifiable() {
+		List<ModuleWire> wiries = wiring.getProvidedModuleWires(null);
+		assertUnmodifiable(wiries);
+	}
+
+	@Test
+	public void testGetRequiredModuleWires_isUnmodifiable() {
+		List<ModuleWire> wiries = wiring.getRequiredModuleWires(null);
+		assertUnmodifiable(wiries);
+	}
+
+	// --- test org.osgi.framework.wiring.BundleWiring specific methods ---
+
+	@Test
+	public void testGetCapabilities_isModifiable() {
+		List<BundleCapability> capabilities = wiring.getCapabilities(null);
+		assertModifiable(capabilities);
+	}
+
+	@Test
+	public void testGetRequirements_isModifiable() {
+		List<BundleRequirement> requirements = wiring.getRequirements(null);
+		assertModifiable(requirements);
+	}
+
+	@Test
+	public void testGetProvidedWires_isModifiable() {
+		List<BundleWire> wiries = wiring.getProvidedWires(null);
+		assertModifiable(wiries);
+	}
+
+	@Test
+	public void testGetRequiredWires_isModifiable() {
+		List<BundleWire> wiries = wiring.getRequiredWires(null);
+		assertModifiable(wiries);
+	}
+
+	// --- test org.osgi.resource.Wiring specific methods ---
+
+	@Test
+	public void testGetResourceCapabilities_isModifiable() {
+		List<Capability> capabilities = wiring.getResourceCapabilities(null);
+		assertModifiable(capabilities);
+	}
+
+	@Test
+	public void testGetResourceRequirements_isModifiable() {
+		List<Requirement> requirements = wiring.getResourceRequirements(null);
+		assertModifiable(requirements);
+	}
+
+	@Test
+	public void testGetProvidedResourceWires_isModifiable() {
+		List<Wire> wiries = wiring.getProvidedResourceWires(null);
+		assertModifiable(wiries);
+	}
+
+	@Test
+	public void testGetRequiredResourceWires_isModifiable() {
+		List<Wire> wiries = wiring.getRequiredResourceWires(null);
+		assertModifiable(wiries);
+	}
+
+	// --- utility methods ---
+
+	private static <T> void assertUnmodifiable(List<T> list) {
+		Assert.assertThrows(RuntimeException.class, () -> list.add(null));
+		Assert.assertThrows(RuntimeException.class, () -> list.remove(0));
+		Assert.assertThrows(RuntimeException.class, () -> list.set(0, null));
+	}
+
+	private static <T> void assertModifiable(List<T> list) {
+		List<T> copy = new ArrayList<>(list);
+		list.add(null);
+		copy.add(null);
+		assertEquals(copy, list);
+
+		list.set(0, null);
+		copy.set(0, null);
+		assertEquals(copy, list);
+
+		list.remove(0);
+		copy.remove(0);
+		assertEquals(copy, list);
+	}
+}