Import atomix/{storage,utils}

[controller.git] / third-party / atomix / utils / src / test / java / io / atomix / utils / GenericsTest.java

diff --git a/third-party/atomix/utils/src/test/java/io/atomix/utils/GenericsTest.java b/third-party/atomix/utils/src/test/java/io/atomix/utils/GenericsTest.java
new file mode 100644 (file)
index 0000000..bda195e
--- /dev/null
+++ b/third-party/atomix/utils/src/test/java/io/atomix/utils/GenericsTest.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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 io.atomix.utils;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Generics test.
+ */
+public class GenericsTest {
+  @Test
+  public void testGetInterfaceType() throws Exception {
+    assertEquals(String.class, Generics.getGenericInterfaceType(new ConcreteInterface(), GenericInterface.class, 0));
+    assertEquals(SomeClass.class, Generics.getGenericInterfaceType(new ConcreteInterface(), GenericInterface.class, 1));
+  }
+
+  @Test
+  public void testGetClassType() throws Exception {
+    assertEquals(SomeClass.class, Generics.getGenericClassType(new ConcreteClass(), GenericClass.class, 0));
+  }
+
+  public interface GenericInterface<T1, T2> {
+    T1 type1();
+
+    T2 type2();
+  }
+
+  public static class ConcreteInterface implements GenericInterface<String, SomeClass> {
+    @Override
+    public String type1() {
+      return null;
+    }
+
+    @Override
+    public SomeClass type2() {
+      return null;
+    }
+  }
+
+  public abstract class GenericClass<T> {
+    public abstract T type();
+  }
+
+  public class ConcreteClass extends GenericClass<SomeClass> {
+    @Override
+    public SomeClass type() {
+      return null;
+    }
+  }
+
+  public class SomeClass {
+  }
+}