Package org.hamcrest.text

Class IsEmptyString

java.lang.Object
org.hamcrest.BaseMatcher<String>
org.hamcrest.TypeSafeMatcher<String>
org.hamcrest.text.IsEmptyString
All Implemented Interfaces:
Matcher<String>, SelfDescribing
public final class IsEmptyString extends TypeSafeMatcher<String>
Matches empty Strings (and null).

  • Method Details

    • matchesSafely

      public boolean matchesSafely(String item)
      Description copied from class: TypeSafeMatcher
      Check if the item matches. The item will already have been checked for the specific type and will never be null. Subclasses should implement this.
      Specified by:
      matchesSafely in class TypeSafeMatcher<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.

    • isEmptyString

      @Deprecated public static Matcher<String> isEmptyString()
      Deprecated.
      use is(emptyString()) instead
      Creates a matcher of String that matches when the examined string has zero length. For example: 
      assertThat("", isEmptyString())
      Returns:
      The matcher.

    • emptyString

      public static Matcher<String> emptyString()
      Creates a matcher of String that matches when the examined string has zero length. For example: 
      assertThat("", is(emptyString()))
      Returns:
      The matcher.

    • isEmptyOrNullString

      @Deprecated public static Matcher<String> isEmptyOrNullString()
      Deprecated.
      use is(emptyOrNullString()) instead
      Creates a matcher of String that matches when the examined string is null, or has zero length. For example: 
      assertThat(((String)null), isEmptyOrNullString())
      Returns:
      The matcher.

    • emptyOrNullString

      public static Matcher<String> emptyOrNullString()
      Creates a matcher of String that matches when the examined string is null, or has zero length. For example: 
      assertThat(((String)null), is(emptyOrNullString()))
      Returns:
      The matcher.