/*
* Copyright (c) 2010 Google Inc.
*
* 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 com.google.api.client.util;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import junit.framework.TestCase;
import java.util.Arrays;
/**
* Tests {@link ClassInfo}.
*
* @author Yaniv Inbar
*/
public class ClassInfoTest extends TestCase {
public enum E {
@Value
VALUE,
@Value("other")
OTHER_VALUE,
@NullValue
NULL, IGNORED_VALUE
}
public void testIsEnum() {
assertTrue(ClassInfo.of(E.class).isEnum());
assertFalse(ClassInfo.of(String.class).isEnum());
}
public void testGetFieldInfo_enum() throws Exception {
ClassInfo classInfo = ClassInfo.of(E.class);
assertEquals(E.class.getField("NULL"), classInfo.getFieldInfo(null).getField());
assertEquals(E.class.getField("OTHER_VALUE"), classInfo.getFieldInfo("other").getField());
assertEquals(E.class.getField("VALUE"), classInfo.getFieldInfo("VALUE").getField());
}
public class A {
@Key
String b;
@Key("oc")
String c;
String d;
@Key("AbC")
String abc;
}
public class B extends A {
@Key
String e;
}
public class C extends B {
@Key("aBc")
String abc2;
}
public class A1 {
@Key
String foo;
@Key("foo")
String foo2;
}
public void testNames() {
assertEquals(ImmutableList.of("AbC", "b", "oc"), ClassInfo.of(A.class).names);
assertEquals(ImmutableList.of("AbC", "b", "e", "oc"), ClassInfo.of(B.class).names);
}
public void testNames_ignoreCase() {
assertEquals(ImmutableList.of("abc", "b", "oc"), ClassInfo.of(A.class, true).names);
assertEquals(ImmutableList.of("abc", "b", "e", "oc"), ClassInfo.of(B.class, true).names);
}
public void testNames_enum() {
ClassInfo classInfo = ClassInfo.of(E.class);
assertEquals(Lists.newArrayList(Arrays.asList(null, "VALUE", "other")), classInfo.names);
}
public void testOf() {
try {
ClassInfo.of(A1.class, true);
fail("expected " + IllegalArgumentException.class);
} catch (IllegalArgumentException e) {
// expected
}
ClassInfo.of(C.class, true);
try {
ClassInfo.of(E.class, true);
fail("expected " + IllegalArgumentException.class);
} catch (IllegalArgumentException e) {
// expected
}
}
}