System.properties['java.home'] = software.file('Contents/Home').absolutePath
        System.properties['java.version'] = '1.9'
        Jvm java9Vm = new Jvm(macOs)

        then:
        java9Vm.javaHome == software.file('Contents/Home')
        java9Vm.javaExecutable == software.file('Contents/Home/bin/java')
        java9Vm.javacExecutable == software.file('Contents/Home/bin/javac')

        classFiles.visitStructure(new FileCollectionStructureVisitor() {
            @Override
            void visitCollection(FileCollectionInternal.Source source, Iterable<File> contents) {
                throw new IllegalArgumentException()
            }


            @Override
            void visitFileTree(File root, PatternSet patterns, FileTreeInternal fileTree) {

                        @Override
                        public void visitCollection(FileCollectionInternal.Source source, Iterable<File> contents) {
                            for (File content : contents) {
                                collections.add(content);
                            }
                        }

                        @Override

            [
                [null, null, null],
                ["actual", "actual", null],
                [ACTUAL_FILE_INFO, ACTUAL_FILE_INFO.path, ACTUAL_FILE_INFO.contents],
                [ACTUAL_STRING_VALUE_WRAPPER, ACTUAL_STRING_VALUE_WRAPPER.value, null],
                [ACTUAL_INT_VALUE_WRAPPER, ACTUAL_INT_VALUE_WRAPPER.value.toString(), null]
            ],
            [

plugins {
    id("org.gradle.sample.download")
}

download {
    // Can use a block to configure the container contents
    resources {
        register('gradle') {
            uri = uri('https://gradle.org')
        }
    }

        when:
        fails()

        then:
        failure.assertHasCause("org.gradle.MyClass")
    }

    private void createJarFile(TestFile jar) {
        TestFile contents = file('contents')
        TestFile classFile = contents.createFile('org/gradle/MyClass.class')

        ClassNode classNode = new ClassNode()
        classNode.version = Opcodes.V1_6
        classNode.access = Opcodes.ACC_PUBLIC

    /**
     * Directory to place executables in
     *
     * @since 4.5
     */
    public abstract void setExecutableDir(String executableDir);

    /**
     * <p>The specification of the contents of the distribution.</p>
     * <p>
     * Use this {@link org.gradle.api.file.CopySpec} to include extra files/resource in the application distribution.
     * <pre class='autoTested'>
     * plugins {

     */
    String getExecutableDir();

    /**
     * Directory to place executables in
     */
    void setExecutableDir(String executableDir);

    /**
     * <p>The specification of the contents of the distribution.</p>
     * <p>
     * Use this {@link org.gradle.api.file.CopySpec} to include extra files/resource in the application distribution.
     * <pre class='autoTested'>
     * plugins {

    /**
     * Allows lazy access to the contents of the given file.
     *
     * When the file contents are read at configuration time the file is automatically considered
     * as an input to the configuration model.
     *
     * @param file the file whose contents to read.
     * @return an interface that allows lazy access to the contents of the given file.
     *
     * @see FileContents#getAsText()

rootProject.name = 'file-contents-dont'...