diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/jdk/sun/nio/cs/TestIllegalISO2022Esc.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/nio/cs/TestIllegalISO2022Esc.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2008, 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 4429369
+ * @summary  ISO2022CN and ISO2022KR converters throw exception
+ * @modules jdk.charsets
+ */
+
+import java.io.*;
+import java.nio.charset.*;
+
+public class TestIllegalISO2022Esc {
+
+    public static void main ( String[] args) throws Exception {
+        int exceptionCount = 0;
+        String[] encName = {"ISO2022CN", "ISO2022KR" };
+        byte[]b= {
+                (byte)0x1b, //Illegal sequence for both converters.
+                (byte)')',
+                (byte)'x'
+        };
+
+        for ( int i=0; i < 2; i++) { // Test 2 converters.
+            try {
+                ByteArrayInputStream bais = new ByteArrayInputStream(b);
+                    InputStreamReader isr =
+                                new InputStreamReader(bais,encName[i]);
+                    char cc[] = new char[1];
+                    isr.read(cc,0,1); //attempt to read
+            } catch (MalformedInputException e) { } // Passes if thrown
+              catch (Throwable t) {
+                    System.err.println("error with converter " + encName[i]);
+                    exceptionCount++;
+            }
+        }
+
+        if (exceptionCount > 0)
+           throw new Exception ("Incorrect handling of illegal ISO2022 escapes");
+    }
+}