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
  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.
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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;
  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 
  66         testCompatibility(executor);
  67     }
  68 
  69     public void testCompatibility(CommandExecutor executor) throws Exception {
  70 
  71         //Flag is default off
  72         expect(!WB.getBooleanVMFlag("PrintAssembly"));
  73         expect(!WB.shouldPrintAssembly(method));
  74 
  75         //load directives that turn it on
  76         executor.execute("Compiler.directives_add " + control_on);
  77         expect(WB.shouldPrintAssembly(method));
  78 
  79         // remove and see that it is true again
  80         executor.execute("Compiler.directives_remove");
  81         expect(!WB.shouldPrintAssembly(method));
  82 
  83     }
  84 
  85     public void expect(boolean test) throws Exception {
  86         if (!test) {
  87             throw new Exception("Test failed");
  88         }
  89     }
  90 
  91     public void expect(boolean test, String msg) throws Exception {
  92         if (!test) {
  93             throw new Exception(msg);
  94         }
  95     }
  96 
  97     @Test
  98     public void jmx() throws Exception {
  99         run(new JMXExecutor());
 100     }
 101 
 102     public void helper() {
 103 
 104     }
 105 
 106     public static Method getMethod(Class klass, String name, Class<?>... parameterTypes) {
 107         try {
 108             return klass.getDeclaredMethod(name, parameterTypes);
 109         } catch (NoSuchMethodException | SecurityException e) {
 110             throw new RuntimeException("exception on getting method Helper." + name, e);
 111         }
 112     }
 113 }