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  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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  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  *        jdk.test.lib.dcmd.*
  33  *        sun.hotspot.WhiteBox
  34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run testng/othervm -Xbootclasspath/a:. -Xmixed -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         final int COMPLEVEL_SIMPLE = 1;
  68         final int COMPLEVEL_FULL   = 4;
  69 
  70         if (WB.hasC1Compiler()) {
  71             testCompatibility(executor, COMPLEVEL_SIMPLE);
  72         }
  73         if (WB.hasC2Compiler()) {
  74             testCompatibility(executor, COMPLEVEL_FULL);
  75         }
  76     }
  77 
  78     public void testCompatibility(CommandExecutor executor, int comp_level) throws Exception {
  79 
  80         // Call all validation twice to catch error when overwriting a directive
  81         // Flag is default off
  82         expect(!WB.getBooleanVMFlag("PrintAssembly"));
  83         expect(!WB.shouldPrintAssembly(method, comp_level));
  84         expect(!WB.shouldPrintAssembly(nomatch, comp_level));
  85         expect(!WB.shouldPrintAssembly(method, comp_level));
  86         expect(!WB.shouldPrintAssembly(nomatch, comp_level));
  87 
  88         // load directives that turn it on
  89         executor.execute("Compiler.directives_add " + control_on);
  90         expect(WB.shouldPrintAssembly(method, comp_level));
  91         expect(!WB.shouldPrintAssembly(nomatch, comp_level));
  92         expect(WB.shouldPrintAssembly(method, comp_level));
  93         expect(!WB.shouldPrintAssembly(nomatch, comp_level));
  94 
  95         // remove and see that it is true again
  96         executor.execute("Compiler.directives_remove");
  97         expect(!WB.shouldPrintAssembly(method, comp_level));
  98         expect(!WB.shouldPrintAssembly(nomatch, comp_level));
  99         expect(!WB.shouldPrintAssembly(method, comp_level));
 100         expect(!WB.shouldPrintAssembly(nomatch, comp_level));
 101     }
 102 
 103     public void expect(boolean test) throws Exception {
 104         if (!test) {
 105             throw new Exception("Test failed");
 106         }
 107     }
 108 
 109     public void expect(boolean test, String msg) throws Exception {
 110         if (!test) {
 111             throw new Exception(msg);
 112         }
 113     }
 114 
 115     @Test
 116     public void jmx() throws Exception {
 117         run(new JMXExecutor());
 118     }
 119 
 120     public void helper() {
 121     }
 122 
 123     public void another() {
 124     }
 125 
 126     public static Method getMethod(Class klass, String name, Class<?>... parameterTypes) {
 127         try {
 128             return klass.getDeclaredMethod(name, parameterTypes);
 129         } catch (NoSuchMethodException | SecurityException e) {
 130             throw new RuntimeException("exception on getting method Helper." + name, e);
 131         }
 132     }
 133 }