test/jdk/java/io/LineNumberReader/Read.java
changeset 47216 71c04702a3d5
parent 5506 202f599c92aa
child 58089 e64fec9f1773
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/io/LineNumberReader/Read.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 1998, 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 4074875 4063511
+   @summary Make sure LineNumberReader.read(char, int , int) will increase
+            the linenumber correctly.
+   */
+
+import java.io.*;
+
+public class Read {
+
+    public static void main(String[] args) throws Exception {
+        String s = "aaaa\nbbb\n";
+        char[] buf = new char[5];
+        int n = 0;
+        int line = 0;
+
+        LineNumberReader r = new LineNumberReader(new StringReader(s));
+
+        do {
+            n = r.read(buf, 0, buf.length);
+        } while (n > 0);
+
+        line = r.getLineNumber();
+
+        if (line != 2)
+            throw new Exception("Failed test: Expected line number: 2, got "
+                                + line);
+    }
+}