public void test_TmpDirIsWritable() {
        // ## Test that tmpDir is writable ##

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

    @Test
    public void test_TmpDirIsDirectory() {
        // ## Test that tmpDir is a directory ##

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

    @Test
    public void test_TmpDirExists() {