openide/java/java-tests/testSrc/com/intellij/codeInsight/daemon/LightUnusedHighlightingFixtureTest.java

/*
 * Copyright 2000-2017 JetBrains s.r.o.
 *
 * 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.intellij.codeInsight.daemon;

import com.intellij.JavaTestUtil;
import com.intellij.codeInspection.deadCode.UnusedDeclarationInspection;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiField;
import com.intellij.psi.PsiNamedElement;
import com.intellij.testFramework.LightProjectDescriptor;
import com.intellij.testFramework.PlatformTestUtil;
import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
import org.jetbrains.annotations.NotNull;

public class LightUnusedHighlightingFixtureTest extends LightCodeInsightFixtureTestCase {

  @Override
  protected void setUp() throws Exception {
    super.setUp();
    myFixture.enableInspections(new UnusedDeclarationInspection(true));
    PlatformTestUtil.registerExtension(ImplicitUsageProvider.EP_NAME, new ImplicitUsageProvider() {
      @Override
      public boolean isImplicitUsage(PsiElement element) {
        return false;
      }

      @Override
      public boolean isImplicitRead(PsiElement element) {
        return false;
      }

      @Override
      public boolean isImplicitWrite(PsiElement element) {
        return element instanceof PsiField && "implicitWrite".equals(((PsiNamedElement)element).getName());
      }
    }, getTestRootDisposable());
  }

  public void testMarkFieldsWhichAreExplicitlyWrittenAsUnused() throws Exception {
    myFixture.configureByFile(getTestName(false) + ".java");
    myFixture.checkHighlighting();
  }



  @Override
  protected String getBasePath() {
    return JavaTestUtil.getRelativeJavaTestDataPath() + "/codeInsight/daemonCodeAnalyzer/advFixture";
  }

  @NotNull
  @Override
  protected LightProjectDescriptor getProjectDescriptor() {
    return JAVA_8;
  }
}