| /******************************************************************************* |
| * Copyright (c) Jul 30, 2014 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.tests.sourcelookup; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.lang.reflect.Field; |
| import java.util.IdentityHashMap; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| import org.eclipse.debug.core.model.IStackFrame; |
| import org.eclipse.debug.internal.ui.sourcelookup.SourceLookupFacility; |
| import org.eclipse.debug.internal.ui.sourcelookup.SourceLookupResult; |
| import org.eclipse.debug.tests.AbstractDebugTest; |
| import org.eclipse.debug.ui.sourcelookup.ISourceLookupResult; |
| import org.junit.Test; |
| |
| /** |
| * Tests {@link SourceLookupFacility} |
| * |
| * @since 3.9.200 |
| */ |
| public class SourceLookupFacilityTests extends AbstractDebugTest { |
| |
| /** |
| * {@link IStackFrame} to be reused |
| */ |
| TestStackFrame fReusableFrame = new TestStackFrame(new TestLaunch()); |
| /** |
| * Testing source director |
| */ |
| TestSourceDirector fTestDirector = new TestSourceDirector(); |
| /** |
| * Test source locator |
| */ |
| TestSourceLocator fTestLocator = new TestSourceLocator(); |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with simple type, no locator and no forcing |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStringNoLocatorNoForce() throws Exception { |
| try { |
| String artifact = "Empty"; //$NON-NLS-1$ |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(artifact, null, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertNull("Source element should be null", result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with simple type and no forcing |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStringNoForce() throws Exception { |
| try { |
| String artifact = "One"; //$NON-NLS-1$ |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(artifact, fTestDirector, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof String); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| String value = (String) result.getSourceElement(); |
| result = SourceLookupFacility.getDefault().lookup(artifact, fTestDirector, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof String); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| assertEquals("The results should be equal", value, result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with simple type and forcing |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStringForce() throws Exception { |
| try { |
| String artifact = "Two"; //$NON-NLS-1$ |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(artifact, fTestDirector, true); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof String); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| String value = (String) result.getSourceElement(); |
| result = SourceLookupFacility.getDefault().lookup(artifact, fTestDirector, true); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof String); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| assertNotSame("The results should not be equal", value, result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with simple type and no forcing |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStringLocatorNoForce() throws Exception { |
| try { |
| String artifact = "Three"; //$NON-NLS-1$ |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(artifact, fTestLocator, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertNull("The source element should be null", result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with an {@link IStackFrame} impl and no forcing |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStackframeNoForce() throws Exception { |
| try { |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(fReusableFrame, fTestDirector, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| String value = (String) result.getSourceElement(); |
| result = SourceLookupFacility.getDefault().lookup(fReusableFrame, fTestDirector, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| assertEquals("The results should not be equal", value, result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with an {@link IStackFrame} impl and forcing |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStackframeForce() throws Exception { |
| try { |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(fReusableFrame, fTestDirector, true); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| String value = (String) result.getSourceElement(); |
| result = SourceLookupFacility.getDefault().lookup(fReusableFrame, fTestDirector, true); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| assertNotSame("The results should not be equal", value, result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with an {@link IStackFrame} impl, no forcing, no locator, no launch |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStackframeWithDebugElement1() throws Exception { |
| try { |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(new TestStackFrame(null), null, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertNull("Source element should be null", result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with an {@link IStackFrame} impl, no forcing, no locator |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStackframeWithDebugElement2() throws Exception { |
| try { |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(fReusableFrame, null, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| String value = (String) result.getSourceElement(); |
| result = SourceLookupFacility.getDefault().lookup(fReusableFrame, null, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| assertEquals("The results should be equal", value, result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with an {@link IStackFrame} impl, forcing, no locator |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStackframeWithDebugElement3() throws Exception { |
| try { |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(fReusableFrame, null, true); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| String value = (String) result.getSourceElement(); |
| result = SourceLookupFacility.getDefault().lookup(fReusableFrame, null, true); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| assertNotSame("The results should not be equal", value, result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with an {@link IStackFrame} impl, no forcing, ISourceLocator impl |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStackframeWithDebugElement4() throws Exception { |
| try { |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(fReusableFrame, fTestLocator, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| String value = (String) result.getSourceElement(); |
| result = SourceLookupFacility.getDefault().lookup(fReusableFrame, fTestLocator, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| assertEquals("The results should not be equal", value, result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| /** |
| * Tests calling |
| * {@link SourceLookupFacility#lookup(Object, org.eclipse.debug.core.model.ISourceLocator, boolean)} |
| * with an {@link IStackFrame} impl, forcing, ISourceLocator impl |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLookupStackframeWithDebugElement5() throws Exception { |
| try { |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(fReusableFrame, fTestLocator, true); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| String value = (String) result.getSourceElement(); |
| result = SourceLookupFacility.getDefault().lookup(fReusableFrame, fTestLocator, true); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertTrue("The result artifact should be a String", result.getArtifact() instanceof IStackFrame); //$NON-NLS-1$ |
| assertTrue("The result source element should be a String", result.getSourceElement() instanceof String); //$NON-NLS-1$ |
| assertNotSame("The results should not be equal", value, result.getSourceElement()); //$NON-NLS-1$ |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testLRU() throws Exception { |
| try { |
| final int MAX_LRU_SIZE = 10; |
| |
| // Get the original map |
| Field field = SourceLookupFacility.class.getDeclaredField("fLookupResults"); //$NON-NLS-1$ |
| field.setAccessible(true); |
| Map<?, ?> map = (Map<?, ?>) field.get(SourceLookupFacility.getDefault()); |
| LinkedHashMap<String, ISourceLookupResult> cached = new LinkedHashMap<>(); |
| |
| // fill the LRU with one element overflow |
| for (int i = 0; i < MAX_LRU_SIZE + 1; i++) { |
| String artifact = "" + i; //$NON-NLS-1$ |
| ISourceLookupResult result = SourceLookupFacility.getDefault().lookup(artifact, fTestLocator, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertFalse(cached.containsValue(result)); |
| cached.put(artifact, result); |
| |
| result = SourceLookupFacility.getDefault().lookup(artifact, fTestLocator, false); |
| assertTrue(cached.containsValue(result)); |
| assertTrue(map.size() <= MAX_LRU_SIZE); |
| } |
| assertEquals(MAX_LRU_SIZE, map.size()); |
| |
| |
| // The LRU cache is full now, and the very first element should be |
| // *not* in the LRU cache anymore |
| assertFalse(map.containsValue(cached.values().iterator().next())); |
| |
| // If we lookup for the first element again, we should get new one |
| String artifact = "" + 0; //$NON-NLS-1$ |
| SourceLookupResult result = SourceLookupFacility.getDefault().lookup(artifact, fTestLocator, false); |
| assertNotNull("There should be a result", result); //$NON-NLS-1$ |
| assertFalse(new IdentityHashMap<>(cached).containsValue(result)); |
| |
| // Check: the LRU map size should not grow |
| assertEquals(MAX_LRU_SIZE, map.size()); |
| } finally { |
| SourceLookupFacility.shutdown(); |
| } |
| } |
| } |