OS_FAMILY = getOsFamily();
        IS_WINDOWS = isFamily(FAMILY_WINDOWS);
    }

    private Os() {}

    /**
     * Determines if the OS on which Maven is executing matches the
     * given OS family.
     *
     * @param family the family to check for
     * @return true if the OS matches
     *
     */
    public static boolean isFamily(String family) {
        return isFamily(family, OS_NAME);

        assertTrue(instance.equals(new FileModelSource(tempFile)));
    }

    @Test
    void testWindowsPaths() throws Exception {
        assumeTrue(Os.isFamily("Windows"));

        File upperCaseFile = createTempFile("TESTE");
        String absolutePath = upperCaseFile.getAbsolutePath();
        File lowerCaseFile = new File(absolutePath.toLowerCase());