--- a/src/share/classes/sun/text/bidi/BidiBase.java	Thu Sep 15 16:17:14 2011 +0900
+++ b/src/share/classes/sun/text/bidi/BidiBase.java	Thu Sep 15 16:38:41 2011 +0900
@@ -2690,6 +2690,7 @@
     public void setPara(AttributedCharacterIterator paragraph)
     {
         byte paraLvl;
+        char ch = paragraph.first();
         Boolean runDirection =
             (Boolean) paragraph.getAttribute(TextAttributeConstants.RUN_DIRECTION);
         Object shaper = paragraph.getAttribute(TextAttributeConstants.NUMERIC_SHAPING);
@@ -2705,7 +2706,6 @@
         byte[] embeddingLevels = new byte[len];
         char[] txt = new char[len];
         int i = 0;
-        char ch = paragraph.first();
         while (ch != AttributedCharacterIterator.DONE) {
             txt[i] = ch;
             Integer embedding =

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/text/Bidi/Bug7042148.java	Thu Sep 15 16:38:41 2011 +0900
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 7042148
+ * @summary verify that Bidi.baseIsLeftToRight() returns the correct value even if an incorrect position is set in the given AttributedCharacterIterator.
+ */
+import java.awt.font.*;
+import java.text.*;
+import java.util.*;
+
+public class Bug7042148 {
+
+    private static boolean err = false;
+
+    public static void main(String[] args) {
+        testDirection();
+
+        if (err) {
+            throw new RuntimeException("Failed");
+        } else {
+            System.out.println("Passed.");
+        }
+    }
+
+    private static void testDirection() {
+        Map attrLTR = new HashMap();
+        attrLTR.put(TextAttribute.RUN_DIRECTION,
+                    TextAttribute.RUN_DIRECTION_LTR);
+        Map attrRTL = new HashMap();
+        attrRTL.put(TextAttribute.RUN_DIRECTION,
+                    TextAttribute.RUN_DIRECTION_RTL);
+
+        String str1 = "A\u05e0";
+        String str2 = "\u05e0B";
+
+        test(str1, attrLTR, Bidi.DIRECTION_LEFT_TO_RIGHT);
+        test(str1, attrRTL, Bidi.DIRECTION_RIGHT_TO_LEFT);
+        test(str2, attrLTR, Bidi.DIRECTION_LEFT_TO_RIGHT);
+        test(str2, attrRTL, Bidi.DIRECTION_RIGHT_TO_LEFT);
+    }
+
+    private static void test(String text, Map attr, int dirFlag) {
+        boolean expected = (dirFlag == Bidi.DIRECTION_LEFT_TO_RIGHT);
+
+        Bidi bidi = new Bidi(text, dirFlag);
+        boolean got = bidi.baseIsLeftToRight();
+        if (got != expected) {
+            err = true;
+            System.err.println("wrong Bidi(String, int).baseIsLeftToRight() value: " +
+                               "\n\ttext=" + text +
+                               "\n\tExpected=" + expected +
+                               "\n\tGot=" + got);
+        }
+
+        AttributedString as = new AttributedString(text, attr);
+        AttributedCharacterIterator itr = as.getIterator();
+        itr.last();
+        itr.next();
+        bidi = new Bidi(itr);
+        got = bidi.baseIsLeftToRight();
+        if (got != expected) {
+            err = true;
+            System.err.println("Wrong Bidi(AttributedCharacterIterator).baseIsLeftToRight() value: " +
+                               "\n\ttext=" + text +
+                               "\n\tExpected=" + expected +
+                               "\n\tGot=" + got);
+        }
+    }
+
+}