1 files changed, 82 insertions, 0 deletions
diff --git a/sandbox/rfeng/minicore/src/test/java/org/apache/tuscany/core/component/SystemSingletonAtomicComponentTestCase.java b/sandbox/rfeng/minicore/src/test/java/org/apache/tuscany/core/component/SystemSingletonAtomicComponentTestCase.java
new file mode 100644
index 0000000000..fac45ebfb5
--- /dev/null
+++ b/sandbox/rfeng/minicore/src/test/java/org/apache/tuscany/core/component/SystemSingletonAtomicComponentTestCase.java
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.tuscany.core.component;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.spi.component.TargetException;
+import org.apache.tuscany.spi.idl.java.JavaServiceContract;
+
+import junit.framework.TestCase;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class SystemSingletonAtomicComponentTestCase extends TestCase {
+
+    public void testGetInstance() throws TargetException {
+        JavaServiceContract<Foo> contract = new JavaServiceContract<Foo>(Foo.class) {
+
+        };
+        FooImpl foo = new FooImpl();
+        SystemSingletonAtomicComponent<Foo, FooImpl> component =
+            new SystemSingletonAtomicComponent<Foo, FooImpl>(URI.create("foo"), contract, foo);
+        assertEquals(foo, component.getTargetInstance());
+    }
+
+    public void testGetInstanceMultipleServices() throws TargetException {
+        FooImpl foo = new FooImpl();
+        List<JavaServiceContract<?>> services = new ArrayList<JavaServiceContract<?>>();
+        services.add(new JavaServiceContract<Foo>(Foo.class) {
+        });
+        services.add(new JavaServiceContract<Bar>(Bar.class) {
+        });
+        SystemSingletonAtomicComponent<Foo, FooImpl> component =
+            new SystemSingletonAtomicComponent<Foo, FooImpl>(URI.create("foo"), services, foo);
+        assertEquals(foo, component.getTargetInstance());
+    }
+
+    public void testOptimizable() {
+        JavaServiceContract<Foo> contract = new JavaServiceContract<Foo>(Foo.class) {
+        };
+        FooImpl foo = new FooImpl();
+        SystemSingletonAtomicComponent<Foo, FooImpl> component =
+            new SystemSingletonAtomicComponent<Foo, FooImpl>(URI.create("foo"), contract, foo);
+        assertTrue(component.isOptimizable());
+    }
+
+
+    protected void setUp() throws Exception {
+        super.setUp();
+    }
+
+    private interface Foo {
+
+    }
+
+    private interface Bar {
+
+    }
+
+    private class FooImpl implements Foo, Bar {
+
+    }
+}