}

        JavaForkOptions javaForkOptions = new BaseForkOptionsConverter(forkOptionsFactory).transform(mergeForkOptions(javaOptions, groovyOptions));
        javaForkOptions.setWorkingDir(daemonWorkingDir);
        javaForkOptions.setExecutable(javaOptions.getExecutable());
        if (jvmVersionDetector.getJavaVersionMajor(javaForkOptions.getExecutable()) >= 9) {

        expect:
        createOpts().allJvmArgs.contains("-Dfile.encoding=${defaultCharset}".toString());
    }

    def "copyTo respects defaultFileEncoding"() {
        JavaForkOptions target = Mock(JavaForkOptions)
        when:
        parse("-Dfile.encoding=UTF-8 -Dfoo.encoding=blah -Dfile.encoding=UTF-16").copyTo(target)
        then:
        1 * target.systemProperties({

        attributes.putValue("Class-Path", classPath.getFiles().stream().map(File::toURI).map(URI::toString).collect(Collectors.joining(" ")));
        return manifest;
    }

    @Override
    public JavaForkOptions copyTo(JavaForkOptions options) {
        throw new UnsupportedOperationException();
    }

    @Override
    public JavaExecHandleBuilder setIgnoreExitValue(boolean ignoreExitValue) {

            throw new UnsupportedOperationException();
        }

        @Override
        public JavaForkOptions copyTo(JavaForkOptions options) {
            return delegate.copyTo(options);
        }

        @Override
        public boolean isCompatibleWith(JavaForkOptions options) {
            return delegate.isCompatibleWith(options);
        }

        @Override

import org.gradle.api.tasks.LocalState;
import org.gradle.api.tasks.Optional;
import org.gradle.api.tasks.OutputFile;
import org.gradle.internal.jacoco.JacocoAgentJar;
import org.gradle.process.JavaForkOptions;
import org.gradle.util.internal.RelativePathUtil;

import javax.annotation.Nullable;
import javax.inject.Inject;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;

                        new File(it.forkOptions.javaForkOptions.executable).canonicalPath == Jvm.current().javaExecutable.canonicalPath &&
                        it.forkOptions.javaForkOptions.minHeapSize == "128m" &&
                        it.forkOptions.javaForkOptions.maxHeapSize == "256m"
                    }
                }
            }
        """

            @Override
            Iterable<String> asArguments() {
                return ["First", "Second"]
            }
        }
        def javaForkOptions = TestFiles.execFactory().newJavaForkOptions()
        test.copyTo(javaForkOptions)

        then:
        javaForkOptions.getJvmArgs() == ['First', 'Second']
    }

    def "java version is determined with toolchain if set"() {

import org.gradle.internal.work.ConditionalExecutionQueue;
import org.gradle.internal.work.DefaultConditionalExecutionQueue;
import org.gradle.internal.work.WorkerThreadRegistry;
import org.gradle.process.JavaForkOptions;
import org.gradle.process.internal.JavaForkOptionsFactory;
import org.gradle.process.internal.worker.child.WorkerDirectoryProvider;
import org.gradle.util.internal.CollectionUtils;

     * @since 4.4
     */
    @Override
    protected JvmTestExecutionSpec createTestExecutionSpec() {
        validateExecutableMatchesToolchain();
        JavaForkOptions javaForkOptions = getForkOptionsFactory().newJavaForkOptions();
        copyTo(javaForkOptions);
        JavaModuleDetector javaModuleDetector = getJavaModuleDetector();

import org.gradle.api.file.ConfigurableFileCollection;
import org.gradle.api.file.FileCollection;
import org.gradle.api.internal.file.FileCollectionFactory;
import org.gradle.process.JavaDebugOptions;
import org.gradle.process.JavaForkOptions;
import org.gradle.util.internal.ArgumentsSplitter;
import org.gradle.util.internal.GUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.nio.charset.Charset;