jdk8-mips64-public/langtools: test/tools/javac/6627362/T6627362.java@959103a6100f

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changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2007, 2009, 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  */

    24 /*

    25  * @test

    26  * @bug 6627362

    27  * @summary javac generates code that uses array.clone,

    28  *          which is not available on JavaCard

    29  */

    31 import java.io.*;

    32 import java.lang.reflect.*;

    33 import java.net.*;

    34 import java.util.*;

    36 public class T6627362 {

    37     static String testSrc = System.getProperty("test.src", ".");

    39     public static void main(String... args) throws Exception {

    40         new T6627362().run();

    41     }

    43     public void run() throws Exception {

    44         testStandard();

    45         testNoClone();

    46         if (errors > 0)

    47             throw new Error(errors + " test cases failed");

    48     }

    50     void testStandard() throws Exception {

    51         // compile and disassemble E.java, check for reference to Object.clone()

    52         File x = new File(testSrc, "x");

    53         String[] jcArgs = { "-d", ".",

    54                             new File(x, "E.java").getPath() };

    55         compile(jcArgs);

    57         String[] jpArgs = { "-classpath", ".", "-c", "E" };

    59         StringWriter sw = new StringWriter();

    60         javap(new PrintWriter(sw, true), jpArgs);

    61         check(sw.toString(), "Method \"[LE;\".clone:()Ljava/lang/Object;");

    62         callValues();

    63     }

    65     void testNoClone() throws Exception {

    66         // compile and disassemble E.java, using modified Object.java,

    67         // check for reference to System.arraycopy

    68         File x = new File(testSrc, "x");

    69         String[] jcArgs = { "-d", ".",

    70                             new File(x, "E.java").getPath(),

    71                             new File(x, "Object.java").getPath()};

    72         compile(jcArgs);

    74         String[] jpArgs = { "-classpath", ".", "-c", "E" };

    76         StringWriter sw = new StringWriter();

    77         javap(new PrintWriter(sw, true), jpArgs);

    78         check(sw.toString(), "// Method java/lang/System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V");

    79         callValues();

    80     }

    82     void compile(String... args) {

    83         int rc = com.sun.tools.javac.Main.compile(args);

    84         if (rc != 0)

    85             throw new Error("javac failed: " + Arrays.asList(args) + ": " + rc);

    86     }

    88     void javap(PrintWriter out, String... args) throws Exception {

    89         int rc = com.sun.tools.javap.Main.run(args, out);

    90         if (rc != 0)

    91             throw new Error("javap failed: " + Arrays.asList(args) + ": " + rc);

    92     }

    94     void check(String s, String require) {

    95         System.out.println("Checking:\n" + s);

    96         if (s.indexOf(require) == -1) {

    97             System.err.println("Can't find " + require);

    98             errors++;

    99         }

   100     }

   102     void callValues() {

   103         try {

   104             File dot = new File(System.getProperty("user.dir"));

   105             ClassLoader cl = new URLClassLoader(new URL[] { dot.toURL() });

   106             Class<?> e_class = cl.loadClass("E");

   107             Method m = e_class.getMethod("values", new Class[] { });

   108             //System.err.println(m);

   109             Object o = m.invoke(null, (Object[]) null);

   110             List<Object> v = Arrays.asList((Object[]) o);

   111             if (!v.toString().equals("[a, b, c]"))

   112                 throw new Error("unexpected result for E.values(): " + v);

   113         } catch (Exception e) {

   114             throw new Error(e);

   115         }

   116     }

   118     int errors;

   119 }

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