Add tests for ListenerList

Change-Id: I1a395717ec1acdc5fb866f28efbc0c9da1d38205
Reviewed-on: http://gerrit.dmdirc.com/2440
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

test/com/dmdirc/util/collections/ListenerListTest.java

@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2006-2012 DMDirc Developers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.dmdirc.util.collections;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.*;
+
+public class ListenerListTest {
+
+    @Test
+    public void testGenericAddListener() {
+        final Object listener = new Object();
+        final Object listener2 = new Object();
+        ListenerList instance = new ListenerList();
+        instance.add(Object.class, listener);
+        instance.add(Object.class, listener2);
+        assertTrue(instance.get(Object.class).contains(listener));
+        assertTrue(instance.get(Object.class).contains(listener));
+    }
+
+
+    @Test(expected=IllegalArgumentException.class)
+    public void testGenericAddNull() {
+        ListenerList instance = new ListenerList();
+        instance.add(Object.class, null);
+        assertFalse(instance.get(Object.class).contains(null));
+    }
+
+    @Test
+    public void testStringAddListener() {
+        final Object listener = new Object();
+        final Object listener2 = new Object();
+        ListenerList instance = new ListenerList();
+        instance.add("Object", listener);
+        instance.add("Object", listener2);
+        assertTrue(instance.get("Object").contains(listener));
+        assertTrue(instance.get("Object").contains(listener2));
+    }
+    @Test(expected=IllegalArgumentException.class)
+    public void testStringAddNull() {
+        ListenerList instance = new ListenerList();
+        instance.add("Object", null);
+        assertFalse(instance.get(Object.class).contains(null));
+    }
+
+    @Test
+    public void testGenericRemoveListener() {
+        final Object listener = new Object();
+        ListenerList instance = new ListenerList();
+        instance.add(Object.class, listener);
+        assertTrue(instance.get(Object.class).contains(listener));
+        instance.remove(Object.class, listener);
+        assertFalse(instance.get(Object.class).contains(listener));
+    }
+
+    @Test
+    public void testStringRemoveListener() {
+        final Object listener = new Object();
+        ListenerList instance = new ListenerList();
+        instance.add("Object", listener);
+        assertTrue(instance.get("Object").contains(listener));
+        instance.remove("Object", listener);
+        assertFalse(instance.get("Object").contains(listener));
+    }
+
+    @Test
+    public void testStringRemoveUnknownListener() {
+        final Object listener = new Object();
+        ListenerList instance = new ListenerList();
+        instance.add("Object", listener);
+        assertTrue(instance.get("Object").contains(listener));
+        instance.remove("String", listener);
+        assertTrue(instance.get("Object").contains(listener));
+    }
+
+    @Test
+    public void testGenericGetListeners() {
+        final Object listener = new Object();
+        final String listener2 = "";
+        ListenerList instance = new ListenerList();
+        assertTrue(instance.get(Object.class).isEmpty());
+        instance.add(Object.class, listener);
+        assertTrue(instance.get(Object.class).contains(listener));
+        assertTrue(instance.get(String.class).isEmpty());
+        instance.add(String.class, listener2);
+        assertTrue(instance.get(String.class).contains(listener2));
+    }
+
+    @Test
+    public void testStringGetListeners() {
+        final Object listener = new Object();
+        final String listener2 = "";
+        ListenerList instance = new ListenerList();
+        assertTrue(instance.get("Object").isEmpty());
+        instance.add("Object", listener);
+        assertTrue(instance.get("Object").contains(listener));
+        assertTrue(instance.get("String").isEmpty());
+        instance.add("String", listener2);
+        assertTrue(instance.get("String").contains(listener2));
+    }
+
+    @Test
+    public void testGetCallableNoArgs() {
+        final TestCallable one = mock(TestCallable.class);
+        final TestCallable two = mock(TestCallable.class);
+        ListenerList instance = new ListenerList();
+        instance.add(TestCallable.class, one);
+        instance.add(TestCallable.class, two);
+        final TestCallable test = instance.getCallable(TestCallable.class);
+        test.testMethod();
+        verify(one).testMethod();
+        verify(two).testMethod();
+    }
+
+    @Test
+    public void testGetCallableArg() {
+        final TestCallable one = mock(TestCallable.class);
+        ListenerList instance = new ListenerList();
+        instance.add(TestCallable.class, one);
+        final TestCallable test = instance.getCallable(TestCallable.class);
+        test.testMethod("test");
+        verify(one).testMethod("test");
+    }
+
+    @Test
+    public void testGetCallableArgs() {
+        final TestCallable one = mock(TestCallable.class);
+        ListenerList instance = new ListenerList();
+        instance.add(TestCallable.class, one);
+        final TestCallable test = instance.getCallable(TestCallable.class);
+        test.testMethod("test", "test1");
+        verify(one).testMethod("test", "test1");
+    }
+
+    @Test(expected=IndexOutOfBoundsException.class)
+    public void testGetCallableThrowsException() {
+        final TestCallable one = mock(TestCallable.class);
+        when(one.testMethod()).thenThrow(new IndexOutOfBoundsException());
+        ListenerList instance = new ListenerList();
+        instance.add(TestCallable.class, one);
+        final TestCallable test = instance.getCallable(TestCallable.class);
+        test.testMethod();
+        verify(one).testMethod();
+    }
+
+    private interface TestCallable {
+        String testMethod();
+        String testMethod(final String test);
+        String testMethod(final String test, final String test2);
+    }
+}