hotspot/test/compiler/compilercontrol/TestCompilerDirectivesCompatibilityFlag.java

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/*
 * @test TestCompilerDirectivesCompatibilityFlag
 * @bug 8137167
 * @library /testlibrary /../../test/lib
 * @modules java.base/sun.misc
 *          java.compiler
 *          java.management
 * @build jdk.test.lib.*
 * @build jdk.test.lib.dcmd.*
 * @build sun.hotspot.WhiteBox.*
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run testng/othervm -Xbootclasspath/a:. -XX:+PrintAssembly -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI TestCompilerDirectivesCompatibilityFlag
 * @summary Test compiler control compatibility with compile command
 */

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

import org.testng.annotations.Test;
import org.testng.Assert;

import sun.hotspot.WhiteBox;

import java.io.BufferedReader;
import java.io.File;
import java.io.StringReader;
import java.lang.reflect.Method;
import java.util.Objects;

public class TestCompilerDirectivesCompatibilityFlag extends TestCompilerDirectivesCompatibilityBase {

    public void testCompatibility(CommandExecutor executor) throws Exception {

        // Call all validation twice to catch error when overwriting a directive
        // Flag is default on
        expect(WB.getBooleanVMFlag("PrintAssembly"));
        expect(WB.shouldPrintAssembly(method));
        expect(WB.shouldPrintAssembly(nomatch));
        expect(WB.shouldPrintAssembly(method));
        expect(WB.shouldPrintAssembly(nomatch));

        // load directives that turn it off
        executor.execute("Compiler.directives_add " + control_off);
        expect(!WB.shouldPrintAssembly(method));
        expect(WB.shouldPrintAssembly(nomatch));
        expect(!WB.shouldPrintAssembly(method));
        expect(WB.shouldPrintAssembly(nomatch));

        // remove and see that it is true again
        executor.execute("Compiler.directives_remove");
        expect(WB.shouldPrintAssembly(method));
        expect(WB.shouldPrintAssembly(nomatch));
        expect(WB.shouldPrintAssembly(method));
        expect(WB.shouldPrintAssembly(nomatch));
    }
}