| /* |
| * Copyright 2021 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| @file:Suppress("UnstableApiUsage") |
| |
| package androidx.build.lint |
| |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @RunWith(JUnit4::class) |
| class PrivateConstructorForUtilityClassDetectorTest : |
| AbstractLintDetectorTest( |
| useDetector = PrivateConstructorForUtilityClassDetector(), |
| useIssues = listOf(PrivateConstructorForUtilityClassDetector.ISSUE), |
| ) { |
| |
| @Test |
| fun testInnerClassVisibilityJava() { |
| val input = |
| java( |
| "src/androidx/PrivateConstructorForUtilityClassJava.java", |
| """ |
| public class PrivateConstructorForUtilityClassJava { |
| |
| // This class has a default private constructor, which is allowed. |
| private static class PrivateInnerClass { |
| static void method() { } |
| } |
| |
| // This class needs an explicit private constructor. |
| static class DefaultInnerClass { |
| static void method() { } |
| } |
| |
| // This class needs an explicit private constructor. |
| protected static class ProtectedInnerClass { |
| static void method() { } |
| } |
| |
| // This class needs an explicit private constructor. |
| public static class PublicInnerClass { |
| static void method() { } |
| } |
| } |
| """ |
| .trimIndent() |
| ) |
| |
| val expected = |
| """ |
| src/androidx/PrivateConstructorForUtilityClassJava.java:9: Error: Utility class is missing private constructor [PrivateConstructorForUtilityClass] |
| static class DefaultInnerClass { |
| ~~~~~~~~~~~~~~~~~ |
| src/androidx/PrivateConstructorForUtilityClassJava.java:14: Error: Utility class is missing private constructor [PrivateConstructorForUtilityClass] |
| protected static class ProtectedInnerClass { |
| ~~~~~~~~~~~~~~~~~~~ |
| src/androidx/PrivateConstructorForUtilityClassJava.java:19: Error: Utility class is missing private constructor [PrivateConstructorForUtilityClass] |
| public static class PublicInnerClass { |
| ~~~~~~~~~~~~~~~~ |
| 3 errors, 0 warnings |
| """ |
| .trimIndent() |
| |
| check(input).expect(expected) |
| } |
| } |