| package org.hamcrest.text; |
| |
| import org.hamcrest.Matcher; |
| import org.junit.Test; |
| |
| import static org.hamcrest.AbstractMatcherTest.*; |
| import static org.hamcrest.text.IsEmptyString.emptyOrNullString; |
| import static org.hamcrest.text.IsEmptyString.emptyString; |
| |
| public final class IsEmptyStringTest { |
| |
| @Test public void |
| copesWithNullsAndUnknownTypes() { |
| Matcher<String> matcher = emptyString(); |
| |
| assertNullSafe(matcher); |
| assertUnknownTypeSafe(matcher); |
| } |
| |
| @Test public void |
| matchesEmptyString() { |
| assertMatches(emptyOrNullString(), ""); |
| assertMatches(emptyString(), ""); |
| } |
| |
| @Test public void |
| matchesNullAppropriately() { |
| assertMatches(emptyOrNullString(), null); |
| assertDoesNotMatch(emptyString(), null); |
| } |
| |
| @Test public void |
| matchesBlankStringAppropriately() { |
| assertDoesNotMatch(emptyString(), " "); |
| assertDoesNotMatch(emptyOrNullString(), " "); |
| } |
| |
| @Test public void |
| doesNotMatchFilledString() { |
| assertDoesNotMatch(emptyString(), "a"); |
| assertDoesNotMatch(emptyOrNullString(), "a"); |
| } |
| |
| @Test public void |
| describesItself() { |
| assertDescription("an empty string", emptyString()); |
| assertDescription("(null or an empty string)", emptyOrNullString()); |
| } |
| |
| @Test public void |
| describesAMismatch() { |
| assertMismatchDescription("was \"a\"", emptyString(), "a"); |
| assertMismatchDescription("was \"a\"", emptyOrNullString(), "a"); |
| } |
| } |