Args { public static int positive(final int n, final String name) { if (n <= 0) { throw illegalArgumentException("%s must not be negative or zero: %d", name, n); } return n; } private  Args(); static void check(final boolean expression, final String message); static void check(final boolean expression, final String message, final Object... args); static void check(final boolean expression, final String message, final Object arg); static long checkContentLength(final EntityDetails entityDetails); static int checkRange(final int value, final int lowInclusive, final int highInclusive,
                    final String message); static long checkRange(final long value, final long lowInclusive, final long highInclusive,
                    final String message); static T containsNoBlanks(final T argument, final String name); static T notBlank(final T argument, final String name); static T notEmpty(final T argument, final String name); static T notEmpty(final T argument, final String name); static int notNegative(final int n, final String name); static long notNegative(final long n, final String name); static T notNull(final T argument, final String name); static int positive(final int n, final String name); static long positive(final long n, final String name); static T positive(final T timeValue, final String name);  }
@Test public void testPositiveIntPass() { Assert.assertEquals(1, Args.positive(1, "Number")); }
@Test(expected=IllegalArgumentException.class) public void testPositiveIntFail1() { Args.positive(-1, "Number"); }
@Test(expected=IllegalArgumentException.class) public void testPositiveIntFail2() { Args.positive(0, "Number"); }
@Test public void testPositiveLongPass() { Assert.assertEquals(1L, Args.positive(1L, "Number")); }
@Test(expected=IllegalArgumentException.class) public void testPositiveLongFail1() { Args.positive(-1L, "Number"); }
@Test(expected=IllegalArgumentException.class) public void testPositiveLongFail2() { Args.positive(0L, "Number"); }