package org.hamcrest.text;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.IsNot.not;
import static org.hamcrest.text.IsEmptyString.isEmptyOrNullString;
import static org.hamcrest.text.IsEmptyString.isEmptyString;
import org.hamcrest.AbstractMatcherTest;
import org.hamcrest.Matcher;
public class IsEmptyStringTest extends AbstractMatcherTest {
@Override
protected Matcher<?> createMatcher() {
return isEmptyOrNullString();
}
public void testEmptyOrNullIsNull() {
assertThat(null, isEmptyOrNullString());
}
public void testEmptyIsNotNull() {
assertThat(null, not(isEmptyString()));
}
public void testMatchesEmptyString() {
assertMatches("empty string", isEmptyString(), "");
assertMatches("empty string", isEmptyOrNullString(), "");
}
public void testDoesNotMatchNonEmptyString() {
assertDoesNotMatch("non empty string", isEmptyString(), "a");
}
public void testHasAReadableDescription() {
assertDescription("an empty string", isEmptyString());
assertDescription("(null or an empty string)", isEmptyOrNullString());
}
}