DefaultUseWithClient.java

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/*
 * @test DefaultUseWithClient
 * @summary Test default behavior of sharing with -client
 * @library /testlibrary
 * @run main DefaultUseWithClient
 * @bug 8032224
 */

import com.oracle.java.testlibrary.*;
import java.io.File;

public class DefaultUseWithClient {
    public static void main(String[] args) throws Exception {
        String fileName = "test.jsa";

        // On 32-bit windows CDS should be on by default in "-client" config
        // Skip this test on any other platform
        boolean is32BitWindows = (Platform.isWindows() && Platform.is32bit());
        if (!is32BitWindows) {
            System.out.println("Test only applicable on 32-bit Windows. Skipping");
            return;
        }

        // create the archive
        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
           "-XX:+UnlockDiagnosticVMOptions",
           "-XX:SharedArchiveFile=./" + fileName,
           "-Xshare:dump");
        OutputAnalyzer output = new OutputAnalyzer(pb.start());
        output.shouldHaveExitValue(0);

        pb = ProcessTools.createJavaProcessBuilder(
           "-XX:+UnlockDiagnosticVMOptions",
           "-XX:SharedArchiveFile=./" + fileName,
           "-client",
           "-XX:+PrintSharedSpaces",
           "-version");

        output = new OutputAnalyzer(pb.start());
        try {
            output.shouldContain("sharing");
        } catch (RuntimeException e) {
            // if sharing failed due to ASLR or similar reasons,
            // check whether sharing was attempted at all (UseSharedSpaces)
            output.shouldContain("UseSharedSpaces:");
        }
        output.shouldHaveExitValue(0);
   }
}