diff -r fd16c54261b3 -r 06bc494ca11e langtools/test/com/sun/javadoc/testSourceTab/TestSourceTab.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/com/sun/javadoc/testSourceTab/TestSourceTab.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,95 @@
+/* 
+ * Copyright 2002-2004 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4510979
+ * @summary Test to make sure that the source documentation is indented properly
+ * when -linksourcetab is used.
+ * @author jamieh
+ * @library ../lib/
+ * @build JavadocTester
+ * @build TestSourceTab
+ * @run main TestSourceTab
+ */
+
+public class TestSourceTab extends JavadocTester {
+    
+    private static final String BUG_ID = "4510979";
+    private static final String OUTPUT_DIR1 = BUG_ID + "-tabLengthEight";
+    private static final String OUTPUT_DIR2 = BUG_ID + "-tabLengthFour";
+    private static final String[][] TEST = NO_TEST;
+    private static final String[][] NEGATED_TEST = NO_TEST;
+    
+    //Run Javadoc on a source file with that is indented with a single tab per line
+    private static final String[] ARGS1 =
+        new String[] {
+            "-d", OUTPUT_DIR1, "-sourcepath", SRC_DIR,
+            "-notimestamp", "-linksource", SRC_DIR + FS + "SingleTab" + FS + "C.java"
+        };
+    
+    //Run Javadoc on a source file with that is indented with a two tab per line
+    //If we double the tabs and decrease the tab length by a half, the output should
+    //be the same as the one generated above.
+    private static final String[] ARGS2 =
+        new String[] {
+            "-d", OUTPUT_DIR2, "-sourcepath", SRC_DIR,
+            "-notimestamp", "-sourcetab", "4", SRC_DIR + FS + "DoubleTab" + FS + "C.java"
+        };
+    
+    //Files to diff
+    private static final String[][] FILES_TO_DIFF = {
+        {OUTPUT_DIR1 + FS + "src-html" + FS + "C.html",
+         OUTPUT_DIR2 + FS + "src-html" + FS + "C.html"
+        }, 
+        {OUTPUT_DIR1 + FS + "C.html",
+         OUTPUT_DIR2 + FS + "C.html"
+        }
+        
+    };
+    
+    /**
+     * The entry point of the test.
+     * @param args the array of command line arguments.
+     */
+    public static void main(String[] args) {
+        TestSourceTab tester = new TestSourceTab();
+        run(tester, ARGS1, TEST, NEGATED_TEST);
+        run(tester, ARGS2, TEST, NEGATED_TEST);
+        tester.runDiffs(FILES_TO_DIFF);
+    }
+    
+    /**
+     * {@inheritDoc}
+     */
+    public String getBugId() {
+        return BUG_ID;
+    }
+    
+    /**
+     * {@inheritDoc}
+     */
+    public String getBugName() {
+        return getClass().getName();
+    }
+}