1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   7  * published by the Free Software Foundation.
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  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).
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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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 
  96     public void expect(boolean test) throws Exception {
  97         if (!test) {
  98             throw new Exception("Test failed");
  99         }
 100     }
 101 
 102     public void expect(boolean test, String msg) throws Exception {
 103         if (!test) {
 104             throw new Exception(msg);
 105         }
 106     }
 107 
 108     @Test
 109     public void jmx() throws Exception {
 110         run(new JMXExecutor());
 111     }
 112 
 113     public void helper() {
 114     }
 115 
 116     public void another() {
 117     }
 118 
 119     public static Method getMethod(Class klass, String name, Class<?>... parameterTypes) {
 120         try {
 121             return klass.getDeclaredMethod(name, parameterTypes);
 122         } catch (NoSuchMethodException | SecurityException e) {
 123             throw new RuntimeException("exception on getting method Helper." + name, e);
 124         }
 125     }
 126 }