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+/*
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+ * Copyright (c) 2006-2012 DMDirc Developers
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+ * THE SOFTWARE.
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+ */
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+package com.dmdirc.util;
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+
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+import java.io.Serializable;
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+
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+import org.junit.Test;
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+
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+import static org.junit.Assert.*;
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+
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+public class SimpleInjectorTest {
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+
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+ @Test
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+ public void testNoParams() {
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+ SimpleInjector instance = new SimpleInjector();
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+ assertTrue(instance.getParameters().isEmpty());
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+ }
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+
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+ @Test
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+ public void testAddParams() {
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+ final Object object = new Object();
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+ SimpleInjector instance = new SimpleInjector();
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+ instance.addParameter(Object.class, object);
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+ assertEquals(1, instance.getParameters().size());
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+ }
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+
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+ @Test
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+ public void testAddObjectsParams() {
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+ final TestObject object = new TestObject("");
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+ SimpleInjector instance = new SimpleInjector();
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+ instance.addParameter(object);
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+ assertEquals(3, instance.getParameters().size());
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+ }
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+
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+ @Test
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+ public void testParentsParams() {
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+ final Object object = new Object();
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+ SimpleInjector parent = new SimpleInjector();
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+ parent.addParameter(Object.class, object);
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+ SimpleInjector child = new SimpleInjector(parent);
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+ assertEquals(1, child.getParameters().size());
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+ }
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+
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+ @Test
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+ public void testCreateInstanceNoParams() {
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+ SimpleInjector instance = new SimpleInjector();
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+ final Object result = instance.createInstance(Object.class);
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+ assertNotNull(result);
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+ }
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+
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+ @Test
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+ public void testCreateInstanceParams() {
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+ SimpleInjector instance = new SimpleInjector();
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+ instance.addParameter(String.class, "test");
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+ instance.addParameter(SimpleInjectorTest.class, this);
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+ final TestObject result = instance.createInstance(TestObject.class);
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+ assertNotNull(result);
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+ }
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+
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+ @Test(expected=IllegalArgumentException.class)
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+ public void testCreateUnsatisfiedConstructor() {
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+ SimpleInjector instance = new SimpleInjector();
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+ final Object result = instance.createInstance(TestObject.class);
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+ assertNull(result);
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+ }
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+
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+ @Test(expected=IllegalArgumentException.class)
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+ public void testCreatePrivateConstructor() {
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+ SimpleInjector instance = new SimpleInjector();
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+ instance.addParameter(String.class, "");
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+ final Object result = instance.createInstance(PrivateObject.class);
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+ assertNull(result);
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+ }
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+
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+ @Test(expected=IllegalArgumentException.class)
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+ public void testCreateExceptionConstructor() {
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+ SimpleInjector instance = new SimpleInjector();
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+ instance.addParameter(String.class, "");
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+ instance.addParameter(SimpleInjectorTest.class, this);
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+ final Object result = instance.createInstance(ExceptionObject.class);
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+ assertNull(result);
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+ }
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+
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+ class TestObject implements Serializable {
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+
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+ public TestObject(final String test) {
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+ }
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+ }
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+
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+ class PrivateObject implements Serializable {
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+
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+ private PrivateObject() {
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+ }
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+ }
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+
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+ class ExceptionObject implements Serializable {
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+
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+ public ExceptionObject() {
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+ throw new IndexOutOfBoundsException();
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+ }
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+ }
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+}
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