1 files changed, 85 insertions, 0 deletions
diff --git a/test-runner/tests/src/android/test/suitebuilder/AssignableFromTest.java b/test-runner/tests/src/android/test/suitebuilder/AssignableFromTest.java
new file mode 100644
index 000000000000..0f73e89deb49
--- /dev/null
+++ b/test-runner/tests/src/android/test/suitebuilder/AssignableFromTest.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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 android.test.suitebuilder;
+
+import junit.framework.TestCase;
+
+import java.lang.reflect.Method;
+
+public class AssignableFromTest extends TestCase {
+    private AssignableFrom assignableFrom;
+
+
+    protected void setUp() throws Exception {
+        super.setUp();
+        assignableFrom = new AssignableFrom(Animal.class);
+    }
+
+    public void testSelfIsAssignable() throws Exception {
+        assertTrue(assignableFrom.apply(testMethodFor(Animal.class)));
+    }
+
+    public void testSubclassesAreAssignable() throws Exception {
+        assertTrue(assignableFrom.apply(testMethodFor(Mammal.class)));
+        assertTrue(assignableFrom.apply(testMethodFor(Human.class)));
+    }
+
+    public void testNotAssignable() throws Exception {
+        assertFalse(assignableFrom.apply(testMethodFor(Pencil.class)));
+    }
+
+    public void testImplementorsAreAssignable() throws Exception {
+        assignableFrom = new AssignableFrom(WritingInstrument.class);
+
+        assertTrue(assignableFrom.apply(testMethodFor(Pencil.class)));
+        assertTrue(assignableFrom.apply(testMethodFor(Pen.class)));
+    }
+
+    private TestMethod testMethodFor(Class<? extends TestCase> aClass)
+            throws NoSuchMethodException {
+        Method method = aClass.getMethod("testX");
+        return new TestMethod(method, aClass);
+    }
+
+    private class Animal extends TestCase {
+        public void testX() {
+        }
+    }
+
+    private class Mammal extends Animal {
+        public void testX() {
+        }
+    }
+
+    private class Human extends Mammal {
+        public void testX() {
+        }
+    }
+
+    private interface WritingInstrument {
+    }
+
+    private class Pencil extends TestCase implements WritingInstrument {
+        public void testX() {
+        }
+    }
+
+    private class Pen extends TestCase implements WritingInstrument {
+        public void testX() {
+        }
+    }
+}