8027411: javap tonga tests cleanup: write a java program to test invalid options -h and -b
Reviewed-by: jjg
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javap/InvalidOptions.java Mon Nov 04 18:04:34 2013 -0800
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2013, 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 8027411
+ * @summary test invalid options -h and -b
+ */
+
+import java.io.*;
+import java.util.zip.*;
+
+public class InvalidOptions {
+ int errorCount;
+ String log;
+
+ public static void main(String[] args) throws Exception {
+ new InvalidOptions().run();
+ }
+
+ void run() throws Exception {
+ test(2, "-h", "Error: -h is no longer available - use the javah program");
+ test(2, "-b", "Error: unknown option: -b",
+ "Usage: javap <options> <classes>",
+ "use -help for a list of possible options");
+ if (errorCount > 0)
+ throw new Exception(errorCount + " errors received");
+ }
+
+ void test(int expect, String option, String ... expectedOutput) {
+ String output = runJavap(expect, option);
+ verify(output, expectedOutput);
+ }
+
+ String runJavap(int expect, String... option) {
+ StringWriter sw = new StringWriter();
+ PrintWriter pw = new PrintWriter(sw);
+ int rc = com.sun.tools.javap.Main.run(option, pw);
+ pw.close();
+ System.out.println("javap prints:");
+ System.out.println(sw);
+ if (rc != expect)
+ throw new Error("Expect to return " + expect + ", but return " + rc);
+ return sw.toString();
+ }
+
+ void verify(String output, String... expects) {
+ for (String expect: expects) {
+ if (!output.contains(expect))
+ error(expect + " not found");
+ }
+ }
+
+ void error(String msg) {
+ System.err.println(msg);
+ errorCount++;
+ }
+}