Assert { public static void isTrue(boolean expression) { isTrue(expression, "[Assertion failed] - this expression must be true"); }  static void isTrue(boolean expression); static void isTrue(boolean expression, String message); static void isNull(Object object); static void isNull(Object object, String message); static void notNull(Object object); static void notNull(Object object, String message); static void hasText(String text); static void hasText(String text, String message); static void notEmpty(Object[] array); static void notEmpty(Object[] array, String message); static void notEmpty(Collection<?> collection); static void notEmpty(Collection<?> collection, String message); static void notEmpty(Map<?, ?> map); static void notEmpty(Map<?, ?> map, String message);  }
@Test public void isTrue() { Assert.isTrue(true); }