--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/text/BreakIterator/ExceptionTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2007, 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 6521742
+ * @summary test exceptions
+ */
+
+import java.text.*;
+import java.util.*;
+import static java.text.BreakIterator.DONE;
+
+public class ExceptionTest {
+    private static final String text =
+          "An ordered collection (also known as a sequence). "
+        + "The user of this interface has precise control over "
+        + "where in the list each element is inserted. "
+        + "The user can access elements by their integer index (position in the list), "
+        + "and search for elements in the list.";
+
+    public static void main(String[] args) {
+        BreakIterator bi = BreakIterator.getWordInstance();
+        bi.setText(text);
+        MirroredBreakIterator mirror = new MirroredBreakIterator(bi);
+        final int first = bi.first();
+        if (first != 0) {
+            throw new RuntimeException("first != 0: " + first);
+        }
+        final int last = bi.last();
+        bi = BreakIterator.getWordInstance();
+        bi.setText(text);
+        int length = text.length();
+
+        /*
+         * following(int)
+         */
+        for (int i = 0; i <= length; i++) {
+            if (i == length) {
+                check(bi.following(i), DONE);
+            }
+            check(bi.following(i), mirror.following(i));
+            check(bi.current(), mirror.current());
+        }
+        for (int i = -length; i < 0; i++) {
+            checkFollowingException(bi, i);
+            checkFollowingException(mirror, i);
+            check(bi.current(), mirror.current());
+        }
+        for (int i = 1; i < length; i++) {
+            checkFollowingException(bi, length + i);
+            checkFollowingException(mirror, length + i);
+            check(bi.current(), mirror.current());
+        }
+
+        /*
+         * preceding(int)
+         */
+        for (int i = length; i >= 0; i--) {
+            if (i == 0) {
+                check(bi.preceding(i), DONE);
+            }
+            check(bi.preceding(i), mirror.preceding(i));
+            check(bi.current(), mirror.current());
+        }
+        for (int i = -length; i < 0; i++) {
+            checkPrecedingException(bi, i);
+            checkPrecedingException(mirror, i);
+            check(bi.current(), mirror.current());
+        }
+        for (int i = 1; i < length; i++) {
+            checkPrecedingException(bi, length + i);
+            checkPrecedingException(mirror, length + i);
+            check(bi.current(), mirror.current());
+        }
+
+        /*
+         * isBoundary(int)
+         */
+        for (int i = 0; i <= length; i++) {
+            check(bi.isBoundary(i), mirror.isBoundary(i));
+            check(bi.current(), mirror.current());
+        }
+        for (int i = -length; i < 0; i++) {
+            checkIsBoundaryException(bi, i);
+            checkIsBoundaryException(mirror, i);
+        }
+        for (int i = 1; i < length; i++) {
+            checkIsBoundaryException(bi, length + i);
+            checkIsBoundaryException(mirror, length + i);
+        }
+    }
+
+    private static void check(int i1, int i2) {
+        if (i1 != i2) {
+            throw new RuntimeException(i1 + " != " + i2);
+        }
+    }
+
+    private static void check(boolean b1, boolean b2) {
+        if (b1 != b2) {
+            throw new RuntimeException(b1 + " != " + b2);
+        }
+    }
+
+    private static void checkFollowingException(BreakIterator bi, int offset) {
+        try {
+            bi.following(offset);
+        } catch (IllegalArgumentException e) {
+            return; // OK
+        }
+        throw new RuntimeException(bi + ": following() doesn't throw an IAE with offset "
+                                   + offset);
+    }
+
+    private static void checkPrecedingException(BreakIterator bi, int offset) {
+        try {
+            bi.preceding(offset);
+        } catch (IllegalArgumentException e) {
+            return; // OK
+        }
+        throw new RuntimeException(bi + ": preceding() doesn't throw an IAE with offset "
+                                   + offset);
+    }
+
+    private static void checkIsBoundaryException(BreakIterator bi, int offset) {
+        try {
+            bi.isBoundary(offset);
+        } catch (IllegalArgumentException e) {
+            return; // OK
+        }
+        throw new RuntimeException(bi + ": isBoundary() doesn't throw an IAE with offset "
+                                   + offset);
+    }
+}