return null;
        }

        @Override
        public int getMajorVersion() {
            return 0;
        }

        @Override
        public int getMinorVersion() {
            return 0;
        }

        @Override
        public int getEffectiveMajorVersion() {
            return 0;
        }

        @Override

            return null;
        }

        @Override
        public int getMajorVersion() {
            return 0;
        }

        @Override
        public int getMinorVersion() {
            return 0;
        }

        @Override
        public int getEffectiveMajorVersion() {
            return 0;
        }

        @Override

            return null;
        }

        @Override
        public int getMajorVersion() {
            return 3;
        }

        @Override
        public int getMinorVersion() {
            return 0;
        }

        @Override
        public int getEffectiveMajorVersion() {
            return 3;
        }

        @Override

    public int getMajorVersion() {
        return majorVersion;
    }

    /**
     * Gets the minor version number.
     *
     * @return The minor version number.
     */
    public int getMinorVersion() {
        return minorVersion;
    }

    /**
     * Gets the product version string.
     *
     * @return The product version string.
     */
    public String getProductVersion() {

    }

    @Test
    public void test_getVersion() {
        assertEquals("98.76.5", systemHelper.getVersion());
        assertEquals(98, systemHelper.getMajorVersion());
        assertEquals(76, systemHelper.getMinorVersion());
        assertEquals("98.76", systemHelper.getProductVersion());
    }

    @Test
    public void test_getEnvMap() {
        assertNotNull(new SystemHelper().getEnvMap());
    }

    @Test