Class IsBlankString

  • All Implemented Interfaces:
    Matcher<java.lang.String>, SelfDescribing

    public final class IsBlankString
    extends TypeSafeMatcher<java.lang.String>
    Matches blank Strings (and null).
    • Method Detail

      • matchesSafely

        public boolean matchesSafely​(java.lang.String item)
        Description copied from class: TypeSafeMatcher
        Subclasses should implement this. The item will already have been checked for the specific type and will never be null.
        Specified by:
        matchesSafely in class TypeSafeMatcher<java.lang.String>
        Parameters:
        item - the type safe item to match against.
        Returns:
        boolean true/false depending if item matches matcher.
      • describeTo

        public void describeTo​(Description description)
        Description copied from interface: SelfDescribing
        Generates a description of the object. The description may be part of a description of a larger object of which this is just a component, so it should be worded appropriately.
        Parameters:
        description - The description to be built or appended to.
      • blankString

        public static Matcher<java.lang.String> blankString()
        Creates a matcher of String that matches when the examined string contains zero or more whitespace characters and nothing else. For example:
        assertThat("  ", is(blankString()))
        Returns:
        The matcher.
      • blankOrNullString

        public static Matcher<java.lang.String> blankOrNullString()
        Creates a matcher of String that matches when the examined string is null, or contains zero or more whitespace characters and nothing else. For example:
        assertThat(((String)null), is(blankOrNullString()))
        Returns:
        The matcher.