From 89f6da50061ea6104d57e9ae9fa49552a2d5d774 Mon Sep 17 00:00:00 2001
From: Dani Megert
Date: Thu, 2 Nov 2006 08:48:21 +0000
Subject: Fixed bug 163116: [implementation] Potential for infinite loop in
 WordRule

---
 .../jface/text/tests/rules/RulesTestSuite.java     |  9 ++--
 .../jface/text/tests/rules/WordRuleTest.java       | 58 ++++++++++++++++++++++
 2 files changed, 63 insertions(+), 4 deletions(-)
 create mode 100644 org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/rules/WordRuleTest.java

(limited to 'org.eclipse.jface.text.tests/src')

diff --git a/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/rules/RulesTestSuite.java b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/rules/RulesTestSuite.java
index 959baee12e6..9ea7558c544 100644
--- a/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/rules/RulesTestSuite.java
+++ b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/rules/RulesTestSuite.java
@@ -14,7 +14,6 @@ package org.eclipse.jface.text.tests.rules;
 import junit.framework.Test;
 import junit.framework.TestSuite;
 
-
 /**
  * 
  * @since 3.0
@@ -22,12 +21,14 @@ import junit.framework.TestSuite;
 public class RulesTestSuite {
 
 	public static Test suite() {
-		TestSuite suite= new TestSuite("Test Suite org.eclipse.jface.text.tests.rules");
-		//$JUnit-BEGIN$
+		TestSuite suite= new TestSuite(
+				"Test Suite org.eclipse.jface.text.tests.rules");
+		// $JUnit-BEGIN$
 		suite.addTestSuite(FastPartitionerTest.class);
 		suite.addTestSuite(DefaultPartitionerTest.class);
 		suite.addTestSuite(DefaultPartitionerZeroLengthTest.class);
-		//$JUnit-END$
+		suite.addTestSuite(WordRuleTest.class);
+		// $JUnit-END$
 		return suite;
 	}
 }
diff --git a/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/rules/WordRuleTest.java b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/rules/WordRuleTest.java
new file mode 100644
index 00000000000..94fcbec72a9
--- /dev/null
+++ b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/rules/WordRuleTest.java
@@ -0,0 +1,58 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2006 IBM Corporation and others.
+ * 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jface.text.tests.rules;
+
+import junit.framework.TestCase;
+
+import org.eclipse.jface.text.Document;
+import org.eclipse.jface.text.rules.IRule;
+import org.eclipse.jface.text.rules.IToken;
+import org.eclipse.jface.text.rules.IWordDetector;
+import org.eclipse.jface.text.rules.RuleBasedScanner;
+import org.eclipse.jface.text.rules.Token;
+import org.eclipse.jface.text.rules.WordRule;
+
+/**
+ * @since 3.3
+ */
+public class WordRuleTest extends TestCase {
+
+	/*
+	 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=163116
+	 */
+	public void testBug163116() throws Exception {
+		IWordDetector detector= new IWordDetector() {
+
+			public boolean isWordPart(char c) {
+				return true;
+			}
+
+			public boolean isWordStart(char c) {
+				return true;
+			}
+
+		};
+
+		WordRule rule= new WordRule(detector, new Token(this));
+
+		RuleBasedScanner scanner= new RuleBasedScanner();
+		scanner.setRules(new IRule[] { rule });
+		scanner.setRange(new Document(), 0, 0);
+
+		IToken token= null;
+		int i= 0;
+		while (token != Token.EOF && i++ < 1000)
+			token= scanner.nextToken();
+
+		assertTrue(i < 1000);
+
+	}
+}
-- 
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