public void test_TmpDirExists() {
        // ## Test that tmpDir exists ##

        // ## Act & Assert ##
        assertTrue(Curl.tmpDir.exists());
    }

    @Test
    public void test_TmpDirMatchesSystemProperty() {
        // ## Test that tmpDir matches system property ##

        // ## Act ##
        final String systemTmpDir = System.getProperty("java.io.tmpdir");