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/*
* Copyright (c) 2011 Google, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.truth;
import com.google.common.annotations.GwtIncompatible;
import org.checkerframework.checker.nullness.qual.Nullable;
/**
* Propositions for {@link Class} subjects.
*
* @author Kurt Alfred Kluever
*/
@GwtIncompatible("reflection")
public final class ClassSubject extends Subject {
private final Class<?> actual;
ClassSubject(FailureMetadata metadata, @Nullable Class<?> o) {
super(metadata, o);
this.actual = o;
}
/**
* Fails if this class or interface is not the same as or a subclass or subinterface of, the given
* class or interface.
*/
public void isAssignableTo(Class<?> clazz) {
if (!clazz.isAssignableFrom(actual)) {
failWithActual("expected to be assignable to", clazz.getName());
}
}
}
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