Adding a test for some nuanced behaviour in binder
git-svn-id: https://google-guice.googlecode.com/svn/trunk@469 d779f126-a31b-0410-b53b-1d3aecad763e
diff --git a/test/com/google/inject/BindingTest.java b/test/com/google/inject/BindingTest.java
index 807d7fc..ad5efbe 100644
--- a/test/com/google/inject/BindingTest.java
+++ b/test/com/google/inject/BindingTest.java
@@ -22,6 +22,7 @@
import java.util.Collection;
import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
/**
* @author crazybob@google.com (Bob Lee)
@@ -207,4 +208,26 @@
"Injecting into abstract types is not supported."));
}
}
+
+ /**
+ * This test ensures that the asEagerSingleton() scoping applies to the key,
+ * not to what the key is linked to.
+ */
+ public void testScopeIsAppliedToKeyNotTarget() {
+ Injector injector = Guice.createInjector(new AbstractModule() {
+ protected void configure() {
+ bind(Integer.class).toProvider(Counter.class).asEagerSingleton();
+ bind(Number.class).toProvider(Counter.class).asEagerSingleton();
+ }
+ });
+
+ assertNotSame(injector.getInstance(Integer.class), injector.getInstance(Number.class));
+ }
+
+ static class Counter implements Provider<Integer> {
+ static AtomicInteger next = new AtomicInteger(1);
+ public Integer get() {
+ return next.getAndIncrement();
+ }
+ }
}
\ No newline at end of file
