Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javap/InvalidOptions.java
test/tools/javap/InvalidOptions.java
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- 959103a6100f
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- 2eb010b6cb22
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| 1 /* | |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 8027411 | |
| 27 * @summary test an invalid option | |
| 28 */ | |
| 29 | |
| 30 import java.io.*; | |
| 31 import java.util.zip.*; | |
| 32 | |
| 33 public class InvalidOptions { | |
| 34 int errorCount; | |
| 35 String log; | |
| 36 | |
| 37 public static void main(String[] args) throws Exception { | |
| 38 new InvalidOptions().run(); | |
| 39 } | |
| 40 | |
| 41 void run() throws Exception { | |
| 42 test(2, "-b", "Error: unknown option: -b", | |
| 43 "Usage: javap <options> <classes>", | |
| 44 "use -help for a list of possible options"); | |
| 45 if (errorCount > 0) | |
| 46 throw new Exception(errorCount + " errors received"); | |
| 47 } | |
| 48 | |
| 49 void test(int expect, String option, String ... expectedOutput) { | |
| 50 String output = runJavap(expect, option); | |
| 51 verify(output, expectedOutput); | |
| 52 } | |
| 53 | |
| 54 String runJavap(int expect, String... option) { | |
| 55 StringWriter sw = new StringWriter(); | |
| 56 PrintWriter pw = new PrintWriter(sw); | |
| 57 int rc = com.sun.tools.javap.Main.run(option, pw); | |
| 58 pw.close(); | |
| 59 System.out.println("javap prints:"); | |
| 60 System.out.println(sw); | |
| 61 if (rc != expect) | |
| 62 throw new Error("Expect to return " + expect + ", but return " + rc); | |
| 63 return sw.toString(); | |
| 64 } | |
| 65 | |
| 66 void verify(String output, String... expects) { | |
| 67 for (String expect: expects) { | |
| 68 if (!output.contains(expect)) | |
| 69 error(expect + " not found"); | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 void error(String msg) { | |
| 74 System.err.println(msg); | |
| 75 errorCount++; | |
| 76 } | |
| 77 } |
