/*
* Copyright 2016 Google Inc. All Rights Reserved.
*
* 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.errorprone.bugpatterns.android;
import static com.google.errorprone.BugPattern.Category.ANDROID;
import static com.google.errorprone.BugPattern.SeverityLevel.WARNING;
import com.google.common.collect.ImmutableSet;
import com.google.errorprone.BugPattern;
import com.google.errorprone.CompilationTestHelper;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** @author avenet@google.com (Arnaud J. Venet) */
@RunWith(JUnit4.class)
public class FragmentNotInstantiableTest {
/** Used for testing a custom FragmentNotInstantiable. */
@BugPattern(
name = "CustomFragmentNotInstantiable",
summary =
"Subclasses of CustomFragment must be instantiable via Class#newInstance():"
+ " the class must be public, static and have a public nullary constructor",
category = ANDROID,
severity = WARNING
)
public static class CustomFragmentNotInstantiable extends FragmentNotInstantiable {
public CustomFragmentNotInstantiable() {
super(ImmutableSet.of("com.google.errorprone.bugpatterns.android.testdata.CustomFragment"));
}
}
@Test
public void testPositiveCases() throws Exception {
createCompilationTestHelper(FragmentNotInstantiable.class)
.addSourceFile("FragmentNotInstantiablePositiveCases.java")
.doTest();
}
@Test
public void testNegativeCase() throws Exception {
createCompilationTestHelper(FragmentNotInstantiable.class)
.addSourceFile("FragmentNotInstantiableNegativeCases.java")
.doTest();
}
@Test
public void testPositiveCases_custom() throws Exception {
createCompilationTestHelper(CustomFragmentNotInstantiable.class)
.addSourceFile("FragmentNotInstantiablePositiveCases.java")
.addSourceFile("CustomFragment.java")
.addSourceFile("CustomFragmentNotInstantiablePositiveCases.java")
.doTest();
}
@Test
public void testNegativeCase_custom() throws Exception {
createCompilationTestHelper(CustomFragmentNotInstantiable.class)
.addSourceFile("FragmentNotInstantiableNegativeCases.java")
.addSourceFile("CustomFragment.java")
.addSourceFile("CustomFragmentNotInstantiableNegativeCases.java")
.doTest();
}
private CompilationTestHelper createCompilationTestHelper(
Class<? extends FragmentNotInstantiable> bugCheckerClass) {
return CompilationTestHelper.newInstance(bugCheckerClass, getClass());
}
}