package ext.test4j.hamcrest.core;
import ext.test4j.hamcrest.Description;
import ext.test4j.hamcrest.Factory;
import ext.test4j.hamcrest.Matcher;
import ext.test4j.hamcrest.TypeSafeDiagnosingMatcher;
public class Every<T> extends TypeSafeDiagnosingMatcher<Iterable<T>> {
private final Matcher<? super T> matcher;
public Every(Matcher<? super T> matcher) {
this.matcher= matcher;
}
@Override
public boolean matchesSafely(Iterable<T> collection, Description mismatchDescription) {
for (T t : collection) {
if (!matcher.matches(t)) {
mismatchDescription.appendText("an item ");
matcher.describeMismatch(t, mismatchDescription);
return false;
}
}
return true;
}
public void describeTo(Description description) {
description.appendText("every item is ").appendDescriptionOf(matcher);
}
/**
* @param itemMatcher A matcher to apply to every element in a collection.
* @return Evaluates to TRUE for a collection in which every item matches itemMatcher
*/
@Factory
public static <U> Matcher<Iterable<U>> everyItem(final Matcher<U> itemMatcher) {
return new Every<U>(itemMatcher);
}
}