--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/text/Bidi/BidiEmbeddingTest.java	Fri Oct 17 13:34:03 2008 +0900
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2008 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 4396492 4396496 4778510
+ * @summary verify that the embedding values processed by the bidi code use negative values to
+ * indicate overrides, rather than using bit 7.  Also tests Bidi without loading awt classes to
+ * confirm that Bidi can be used without awt. Verify that embedding level 0 is properly mapped
+ * to the base embedding level.
+ */
+
+import java.awt.Color;
+import java.awt.Frame;
+import java.awt.font.TextAttribute;
+import java.text.AttributedString;
+import java.text.Bidi;
+
+public class BidiEmbeddingTest {
+    public static void main(String[] args) {
+        // to regress embedding test against old fix, call with an arg.  A window will pop
+        // up causing awt lib to be loaded so the vm won't die with the unsatisfied link error.
+        if (args.length > 0) {
+            Frame f = new Frame();
+            f.setSize(300, 300);
+            f.setBackground(Color.white);
+            f.show();
+        }
+
+        test1();
+        test2();
+    }
+
+    static void test1() {
+        String target = "BACK WARDS";
+        String str = "If this text is >" + target + "< the test passed.";
+        int start = str.indexOf(target);
+        int limit = start + target.length();
+
+        System.out.println("start: " + start + " limit: " + limit);
+
+        AttributedString astr = new AttributedString(str);
+        astr.addAttribute(TextAttribute.BIDI_EMBEDDING,
+                         new Integer(-1),
+                         start,
+                         limit);
+
+        Bidi bidi = new Bidi(astr.getIterator());
+
+        for (int i = 0; i < bidi.getRunCount(); ++i) {
+            System.out.println("run " + i +
+                               " from " + bidi.getRunStart(i) +
+                               " to " + bidi.getRunLimit(i) +
+                               " at level " + bidi.getRunLevel(i));
+        }
+
+        System.out.println(bidi);
+
+        byte[] embs = new byte[str.length() + 3];
+        for (int i = start + 1; i < limit + 1; ++i) {
+            embs[i] = -1;
+        }
+
+        Bidi bidi2 = new Bidi(str.toCharArray(), 0, embs, 1, str.length(), Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
+        for (int i = 0; i < bidi2.getRunCount(); ++i) {
+            System.out.println("run " + i +
+                               " from " + bidi2.getRunStart(i) +
+                               " to " + bidi2.getRunLimit(i) +
+                               " at level " + bidi2.getRunLevel(i));
+        }
+
+        System.out.println(bidi2);
+
+        if (bidi.getRunCount() != 3 || bidi2.getRunCount() != 3) {
+            throw new Error("Bidi run count incorrect");
+        }
+    }
+
+    // make sure BIDI_EMBEDDING values of 0 are mapped to base run direction, instead of flagging an error.
+    static void test2() {
+        String target = "BACK WARDS";
+        String str = "If this text is >" + target + "< the test passed.";
+        int length = str.length();
+        int start = str.indexOf(target);
+        int limit = start + target.length();
+
+        System.out.println("start: " + start + " limit: " + limit);
+
+        AttributedString astr = new AttributedString(str);
+        astr.addAttribute(TextAttribute.RUN_DIRECTION, TextAttribute.RUN_DIRECTION_RTL);
+
+        astr.addAttribute(TextAttribute.BIDI_EMBEDDING,
+                         new Integer(-3),
+                         start,
+                         limit);
+
+        Bidi bidi = new Bidi(astr.getIterator());
+
+        for (int i = 0; i < bidi.getRunCount(); ++i) {
+            System.out.println("run " + i +
+                               " from " + bidi.getRunStart(i) +
+                               " to " + bidi.getRunLimit(i) +
+                               " at level " + bidi.getRunLevel(i));
+        }
+
+        System.out.println(bidi);
+
+        if (bidi.getRunCount() != 6) { // runs of spaces and angles at embedding bound,s and final period, each get level 1
+            throw new Error("Bidi embedding processing failed");
+        }
+    }
+}