Revision: 1048
Author: limpbizkit
Date: Thu Jul 23 10:46:52 2009
Log: a test for what happens when creating a singleton fails
http://code.google.com/p/google-guice/source/detail?r=1048
Modified:
/trunk/test/com/google/inject/ScopesTest.java
=======================================
--- /trunk/test/com/google/inject/ScopesTest.java Mon Jun 22 20:16:48 2009
+++ /trunk/test/com/google/inject/ScopesTest.java Thu Jul 23 10:46:52 2009
@@ -63,6 +63,7 @@
NotASingleton.nextInstanceId = 0;
Implementation.nextInstanceId = 0;
ProvidedBySingleton.nextInstanceId = 0;
+ ThrowingSingleton.nextInstanceId = 0;
}
public void testSingletons() {
@@ -546,4 +547,31 @@
}
return builder.build();
}
-}
+
+ @Singleton
+ static class ThrowingSingleton {
+ static int nextInstanceId;
+ final int instanceId = nextInstanceId++;
+
+ ThrowingSingleton() {
+ if (instanceId == 0) {
+ throw new RuntimeException();
+ }
+ }
+ }
+
+ public void testSingletonConstructorThrows() {
+ Injector injector = Guice.createInjector();
+
+ try {
+ injector.getInstance(ThrowingSingleton.class);
+ fail();
+ } catch (ProvisionException expected) {
+ }
+
+ // this behaviour is unspecified. If we change Guice to re-throw the
exception, this test
+ // should be changed
+ injector.getInstance(ThrowingSingleton.class);
+ assertEquals(2, ThrowingSingleton.nextInstanceId);
+ }
+}
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