jdk-24/test/hotspot/jtreg/serviceability/dcmd/compiler/CompilerDirectivesDCMDTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test CompilerDirectivesDCMDTest
 * @bug 8137167
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.compiler
 *          java.management
 * @run testng/othervm CompilerDirectivesDCMDTest
 * @summary Test of diagnostic command
 */

import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.dcmd.CommandExecutor;
import jdk.test.lib.dcmd.JMXExecutor;
import jdk.test.lib.Platform;
import org.testng.annotations.Test;
import org.testng.Assert;

import java.io.BufferedReader;
import java.io.File;
import java.io.StringReader;

public class CompilerDirectivesDCMDTest {

    public static String filename;

    public void run(CommandExecutor executor) {

        if (Platform.isServer() && !Platform.isEmulatedClient()) {
            filename = System.getProperty("test.src", ".") + File.separator + "control2.txt";
        } else {
            filename = System.getProperty("test.src", ".") + File.separator + "control1.txt";
        }
        testPrintCommand(executor);
        testAddAndRemoveCommand(executor);
    }

    public static void testPrintCommand(CommandExecutor executor) {

        // Get output from dcmd (diagnostic command)
        OutputAnalyzer output = executor.execute("Compiler.directives_print");
        int count = find(output, "Directive:");
        if (count < 1) {
            Assert.fail("Expected at least one directive - found " + count);
        }
    }

    public static void testAddAndRemoveCommand(CommandExecutor executor) {
        OutputAnalyzer output;
        int count = 0;

        // Start with clearing stack - expect only default directive left
        output = executor.execute("Compiler.directives_clear");
        output = executor.execute("Compiler.directives_print");
        count = find(output, "Directive:");
        if (count != 1) {
            Assert.fail("Expected one directives - found " + count);
        }

        // Test that we can not remove the default directive
        output = executor.execute("Compiler.directives_remove");
        output = executor.execute("Compiler.directives_print");
        count = find(output, "Directive:");
        if (count != 1) {
            Assert.fail("Expected one directives - found " + count);
        }

        // Test adding some directives from file
        output = executor.execute("Compiler.directives_add " + filename);
        output = executor.execute("Compiler.directives_print");
        count = find(output, "Directive:");
        if (count != 3) {
            Assert.fail("Expected three directives - found " + count);
        }

        // Test remove one directive
        output = executor.execute("Compiler.directives_remove");
        output = executor.execute("Compiler.directives_print");
        count = find(output, "Directive:");
        if (count != 2) {
            Assert.fail("Expected two directives - found " + count);
        }

        // Test adding directives again
        output = executor.execute("Compiler.directives_add " + filename);
        output = executor.execute("Compiler.directives_print");
        count = find(output, "Directive:");
        if (count != 4) {
            Assert.fail("Expected four directives - found " + count);
        }

        // Test clearing
        output = executor.execute("Compiler.directives_clear");
        output = executor.execute("Compiler.directives_print");
        count = find(output, "Directive:");
        if (count != 1) {
            Assert.fail("Expected one directives - found " + count);
        }

        // Test clear when already cleared
        output = executor.execute("Compiler.directives_clear");
        output = executor.execute("Compiler.directives_print");
        count = find(output, "Directive:");
        if (count != 1) {
            Assert.fail("Expected one directives - found " + count);
        }

        // Test remove one directive when empty
        output = executor.execute("Compiler.directives_remove");
        output = executor.execute("Compiler.directives_print");
        count = find(output, "Directive:");
        if (count != 1) {
            Assert.fail("Expected one directive - found " + count);
        }
    }

    public static int find(OutputAnalyzer output, String find) {
        int count = 0;

        for (String line : output.asLines()) {
            if (line.startsWith(find)) {
                count++;
            }
        }
        return count;
    }

    @Test
    public void jmx() {
        run(new JMXExecutor());
    }
}