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Diffstat (limited to 'org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/contentassist/IncrementalAsyncContentAssistTests.java')
-rw-r--r--org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/contentassist/IncrementalAsyncContentAssistTests.java124
1 files changed, 124 insertions, 0 deletions
diff --git a/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/contentassist/IncrementalAsyncContentAssistTests.java b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/contentassist/IncrementalAsyncContentAssistTests.java
new file mode 100644
index 00000000000..ef79f05b4e4
--- /dev/null
+++ b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/contentassist/IncrementalAsyncContentAssistTests.java
@@ -0,0 +1,124 @@
+/*******************************************************************************
+ * Copyright (c) 2020 Julian Honnen
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Julian Honnen - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jface.text.tests.contentassist;
+
+import static java.util.stream.Collectors.toList;
+import static org.junit.Assert.assertEquals;
+
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Shell;
+
+import org.eclipse.jface.text.Document;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.contentassist.ContentAssistant;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.jface.text.source.SourceViewer;
+import org.eclipse.jface.text.tests.util.DisplayHelper;
+
+public class IncrementalAsyncContentAssistTests {
+
+ private Shell shell;
+
+ private SourceViewer viewer;
+
+ private ContentAssistant ca;
+
+ @Before
+ public void setup() {
+ tearDown();
+
+ shell= new Shell();
+ shell.setSize(300, 300);
+ shell.open();
+
+ viewer= new SourceViewer(shell, null, SWT.NONE);
+ Document document= new Document();
+ viewer.setDocument(document);
+ ca= new ContentAssistant(true);
+
+ Comparator<ICompletionProposal> comparator= Comparator.comparing(p -> p.getDisplayString());
+ ca.setSorter(comparator::compare);
+ }
+
+ @After
+ public void tearDown() {
+ if (shell != null) {
+ ca.uninstall();
+ if (!shell.isDisposed()) {
+ shell.dispose();
+ }
+ shell= null;
+ }
+ }
+
+ @Test
+ public void testIncrementalComplete() throws Exception {
+ ca.addContentAssistProcessor(new FilteringAsyncContentAssistTests.ImmediateContentAssistProcessor("testC", "testB", "testA"), IDocument.DEFAULT_CONTENT_TYPE);
+
+ viewer.getDocument().set("t");
+
+ ca.install(viewer);
+ viewer.setSelectedRange(1, 0);
+
+ ca.completePrefix();
+
+ DisplayHelper.sleep(shell.getDisplay(), 300);
+
+ List<String> filteredProposals= FilteringAsyncContentAssistTests.getFilteredProposals(ca).stream() //
+ .map(p -> p.getDisplayString()) //
+ .collect(toList());
+ assertEquals(Arrays.asList("testA", "testB", "testC"), filteredProposals);
+ }
+
+ @Test
+ public void testIncrementalComplete_async() throws Exception {
+ long delay= 200;
+ ca.addContentAssistProcessor(new FilteringAsyncContentAssistTests.DelayedContentAssistProcessor(Arrays.asList("testC", "testB", "testA"), delay, false), IDocument.DEFAULT_CONTENT_TYPE);
+
+ viewer.getDocument().set("t");
+
+ ca.install(viewer);
+ viewer.setSelectedRange(1, 0);
+
+ ca.completePrefix();
+
+ DisplayHelper.sleep(shell.getDisplay(), delay + 100);
+
+ List<String> filteredProposals= FilteringAsyncContentAssistTests.getFilteredProposals(ca).stream() //
+ .map(p -> p.getDisplayString()) //
+ .collect(toList());
+ assertEquals(Arrays.asList("testA", "testB", "testC"), filteredProposals);
+ }
+
+ @Test
+ public void testIncrementalCompleteOfSingleProposal() throws Exception {
+ ca.enableAutoInsert(true);
+ ca.addContentAssistProcessor(new FilteringAsyncContentAssistTests.ImmediateContentAssistProcessor("testA"), IDocument.DEFAULT_CONTENT_TYPE);
+
+ ca.install(viewer);
+ viewer.setSelectedRange(0, 0);
+
+ ca.completePrefix();
+
+ DisplayHelper.sleep(shell.getDisplay(), 300);
+
+ assertEquals("testA", viewer.getDocument().get());
+ }
+
+}

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