package ext.jtester.hamcrest.core;
import java.util.Arrays;
import ext.jtester.hamcrest.Description;
import ext.jtester.hamcrest.DiagnosingMatcher;
import ext.jtester.hamcrest.Factory;
import ext.jtester.hamcrest.Matcher;
/**
* Calculates the logical conjunction of multiple matchers. Evaluation is
* shortcut, so subsequent matchers are not called if an earlier matcher returns
* <code>false</code>.
*/
@SuppressWarnings("rawtypes")
public class AllOf<T> extends DiagnosingMatcher<T> {
private final Iterable<Matcher> matchers;
public AllOf(Iterable<Matcher> matchers) {
this.matchers = matchers;
}
@Override
public boolean matches(Object o, Description mismatchDescription) {
for (Matcher matcher : matchers) {
if (!matcher.matches(o)) {
mismatchDescription.appendDescriptionOf(matcher).appendText(" ");
matcher.describeMismatch(o, mismatchDescription);
return false;
}
}
return true;
}
public void describeTo(Description description) {
description.appendList("(", " " + "and" + " ", ")", matchers);
}
/**
* Evaluates to true only if ALL of the passed in matchers evaluate to true.
*/
@Factory
public static <T> Matcher<T> allOf(Iterable<Matcher> matchers) {
return new AllOf<T>(matchers);
}
/**
* Evaluates to true only if ALL of the passed in matchers evaluate to true.
*/
@Factory
public static <T> Matcher<T> allOf(Matcher... matchers) {
return allOf(Arrays.asList(matchers));
}
@SuppressWarnings("unchecked")
@Factory
public static <T> Matcher<T> notAll(Iterable<Matcher> matchers) {
Matcher matcher = IsNot.not(AllOf.allOf(matchers));
return matcher;
}
}