1 /*

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     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

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     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

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    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

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    23 

    24 /*

    25  * @test TestCompilerDirectivesCompatibilityBase

    26  * @bug 8137167

    27  * @library /testlibrary /../../test/lib

    28  * @modules java.base/sun.misc

    29  *          java.compiler

    30  *          java.management

    31  * @build jdk.test.lib.*

    32  * @build jdk.test.lib.dcmd.*

    33  * @build sun.hotspot.WhiteBox.*

    34  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission

    36  * @run testng/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI TestCompilerDirectivesCompatibilityBase

    37  * @summary Test compiler control compatibility with compile command

    38  */

    39 

    40 import jdk.test.lib.dcmd.CommandExecutor;

    41 import jdk.test.lib.dcmd.JMXExecutor;

    42 

    43 import org.testng.annotations.Test;

    44 import org.testng.Assert;

    45 

    46 import sun.hotspot.WhiteBox;

    47 

    48 import java.io.BufferedReader;

    49 import java.io.File;

    50 import java.io.StringReader;

    51 import java.lang.reflect.Method;

    52 import java.util.Objects;

    53 

    54 public class TestCompilerDirectivesCompatibilityBase {

    55 

    56     public static final WhiteBox WB = WhiteBox.getWhiteBox();

    57     public static String control_on, control_off;

    58     Method method, nomatch;

    59 

    60     public void run(CommandExecutor executor) throws Exception {

    61 

    62         control_on = System.getProperty("test.src", ".") + File.separator + "control_on.txt";

    63         control_off = System.getProperty("test.src", ".") + File.separator + "control_off.txt";

    64         method  = getMethod(TestCompilerDirectivesCompatibilityBase.class, "helper");

    65         nomatch = getMethod(TestCompilerDirectivesCompatibilityBase.class, "another");

    66 

    67         testCompatibility(executor);

    68     }

    69 

    70     public void testCompatibility(CommandExecutor executor) throws Exception {

    71 

    72         // Call all validation twice to catch error when overwriting a directive

    73         // Flag is default off

    74         expect(!WB.getBooleanVMFlag("PrintAssembly"));

    75         expect(!WB.shouldPrintAssembly(method));

    76         expect(!WB.shouldPrintAssembly(nomatch));

    77         expect(!WB.shouldPrintAssembly(method));

    78         expect(!WB.shouldPrintAssembly(nomatch));

    79 

    80         // load directives that turn it on

    81         executor.execute("Compiler.directives_add " + control_on);

    82         expect(WB.shouldPrintAssembly(method));

    83         expect(!WB.shouldPrintAssembly(nomatch));

    84         expect(WB.shouldPrintAssembly(method));

    85         expect(!WB.shouldPrintAssembly(nomatch));

    86 

    87         // remove and see that it is true again

    88         executor.execute("Compiler.directives_remove");

    89         expect(!WB.shouldPrintAssembly(method));

    90         expect(!WB.shouldPrintAssembly(nomatch));

    91         expect(!WB.shouldPrintAssembly(method));

    92         expect(!WB.shouldPrintAssembly(nomatch));

    93     }

    94 

    95     public void expect(boolean test) throws Exception {

    96         if (!test) {

    97             throw new Exception("Test failed");

    98         }

    99     }

   100 

   101     public void expect(boolean test, String msg) throws Exception {

   102         if (!test) {

   103             throw new Exception(msg);

   104         }

   105     }

   106 

   107     @Test

   108     public void jmx() throws Exception {

   109         run(new JMXExecutor());

   110     }

   111 

   112     public void helper() {

   113     }

   114 

   115     public void another() {

   116     }

   117 

   118     public static Method getMethod(Class klass, String name, Class<?>... parameterTypes) {

   119         try {

   120             return klass.getDeclaredMethod(name, parameterTypes);

   121         } catch (NoSuchMethodException | SecurityException e) {

   122             throw new RuntimeException("exception on getting method Helper." + name, e);

   123         }

   124     }

   125 }