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// Copyright 2007 Google Inc. All Rights Reserved.
package com.google.inject;
import junit.framework.TestCase;
/**
* Tests relating to modules.
*
* @author kevinb
*/
public class ModuleTest extends TestCase {
static class A implements Module {
@Override
public void configure(Binder binder) {
binder.bind(X.class);
binder.install(new B());
binder.install(new C());
}
}
static class B implements Module {
@Override
public void configure(Binder binder) {
binder.bind(Y.class);
binder.install(new D());
}
}
static class C implements Module {
@Override
public void configure(Binder binder) {
binder.bind(Z.class);
binder.install(new D());
}
}
static class D implements Module {
@Override
public void configure(Binder binder) {
binder.bind(W.class);
}
@Override
@SuppressWarnings("EqualsBrokenForNull") // intentionally NPE on null for the test
public boolean equals(Object obj) {
return obj.getClass() == D.class; // we're all equal in the eyes of guice
}
@Override
public int hashCode() {
return D.class.hashCode();
}
}
static class X {}
static class Y {}
static class Z {}
static class W {}
public void testDiamond() throws Exception {
Guice.createInjector(new A());
}
}
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