InlineLocalTest.java

/*
 * Copyright 2000-2016 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.refactoring.inline;

import com.intellij.JavaTestUtil;
import com.intellij.codeInsight.TargetElementUtil;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.projectRoots.Sdk;
import com.intellij.pom.java.LanguageLevel;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiLocalVariable;
import com.intellij.psi.PsiReference;
import com.intellij.psi.PsiReferenceExpression;
import com.intellij.refactoring.RefactoringBundle;
import com.intellij.testFramework.IdeaTestUtil;
import com.intellij.testFramework.LightCodeInsightTestCase;
import org.jetbrains.annotations.NotNull;

/**
 * @author ven
 */
public class InlineLocalTest extends LightCodeInsightTestCase {
  @NotNull
  @Override
  protected String getTestDataPath() {
    return JavaTestUtil.getJavaTestDataPath();
  }

  public void testInference () throws Exception {
    doTest(false);
  }

  public void testQualifier () throws Exception {
    doTest(false);
  }

  public void testInnerInnerClass() throws Exception {
    doTest(true);
  }

  public void testIDEADEV950 () throws Exception {
    doTest(false);
  }

  public void testNoRedundantCasts () throws Exception {
    doTest(false);
  }

  public void testIdeaDEV9404 () throws Exception {
    doTest(false);
  }

  @Override
  protected Sdk getProjectJDK() {
    return IdeaTestUtil.getMockJdk17(); // there is JPanel inside
  }

  public void testIDEADEV12244 () throws Exception {
    doTest(false);
  }

  public void testIDEADEV10376 () throws Exception {
    doTest(true);
  }

  public void testIDEADEV13151 () throws Exception {
    doTest(true);
  }

  public void testArrayInitializer() throws Exception {
    doTest(false);
  }

  public void testNonWriteUnaryExpression() throws Exception {
    doTest(true);
  }

  public void testNewExpression() throws Exception {
    doTest(false);
  }

  public void testNewExpressionWithDiamond() throws Exception {
    doTest(false);
  }

  public void testNewExpressionWithPreservedDiamond() throws Exception {
    doTest(false);
  }

  public void testAugmentedAssignment() throws Exception {
    String exception = null;
    try {
      doTest(false);
    }
    catch(RuntimeException ex) {
      exception = ex.getMessage();
    }
    String error = RefactoringBundle.getCannotRefactorMessage(RefactoringBundle.message("variable.is.accessed.for.writing", "text"));
    assertEquals(error, exception);
  }

  public void testUsedInInnerClass() throws Exception {       // IDEADEV-28786
    doTest(true);
  }

  public void testUsedInInnerClass2() throws Exception {       // IDEADEV-28786
    doTest(true);
  }

  public void testUsedInInnerClass3() throws Exception {       // IDEADEV-28786
    doTest(true);
  }

  public void testUsedInInnerClass4() throws Exception {       // IDEADEV-28786
    doTest(true);
  }

  public void testAnotherDefinitionUsed() throws Exception {
    doTest(true, "Cannot perform refactoring.\nAnother variable 'bar' definition is used together with inlined one");
  }

  public void testAnotherDefinitionUsed1() throws Exception {
    doTest(false, "Cannot perform refactoring.\nAnother variable 'bar' definition is used together with inlined one");
  }

  public void testTypeArgumentsStatic() throws Exception {
    doTest(true);
  }

  public void testTypeArguments() throws Exception {
    doTest(true);
  }

  public void testWildcard() throws Exception {
    doTest(true);
  }

  public void testStaticImported() throws Exception {
    doTest(true);
  }

  public void testQualified() throws Exception {
    doTest(true);
  }

  public void testAssignmentToArrayElement() throws Exception {
    doTest(true, "Cannot perform refactoring.\n" +
                 "Variable 'arr' is accessed for writing");
  }

  public void testArrayMethodCallInitialized() throws Exception {
    doTest(false);
  }

  public void testArrayIndex() throws Exception {
    doTest(true);
  }

  public void testNonEqAssignment() throws Exception {
    doTest(false, "Cannot perform refactoring.\n" +
                  "Variable 'x' is accessed for writing");
  }

  public void testInlineFromTryCatch() throws Exception {
    doTest(true, "Unable to inline outside try/catch statement");
  }
  
  public void testInlineFromTryCatchAvailable() throws Exception {
    doTest(true);
  }
  
  public void testConditionExpr() throws Exception {
    doTest(true);
  }
  
  public void testLambdaExpr() throws Exception {
    doTest(true);
  }
  
  public void testLambdaExprAsRefQualifier() throws Exception {
    doTest(true);
  }

  public void testMethodRefAsRefQualifier() throws Exception {
    doTest(true);
  }

  public void testLocalVarInsideLambdaBody() throws Exception {
    doTest(true);
  }

  public void testLocalVarInsideLambdaBody1() throws Exception {
    doTest(true);
  }
  
  public void testLocalVarInsideLambdaBody2() throws Exception {
    doTest(true);
  }

  public void testLocalVarUsedInLambdaBody() throws Exception {
    doTest(true);
  }

  public void testCastAroundLambda() throws Exception {
    doTest(true);
  }

  public void testNoCastAroundLambda() throws Exception {
    doTest(true);
  }

  public void testUncheckedCast() throws Exception {
    doTest(true);
  }

  public void testUncheckedCastNotNeeded() throws Exception {
    doTest(true);
  }

  public void testCastNotNeeded() throws Exception {
    doTest(true);
  }

  public void testResourceVariable() throws Exception {
    doTest(false);
  }

  public void testEnclosingThisExpression() throws Exception {
    doTest(true);
  }

  public void testParentStaticQualifier() throws Exception {
    doTest(true);
  }

  public void testCollapseArrayCreation() throws Exception {
    doTest(true);
  }

  public void testRenameLambdaParamsToAvoidConflicts() throws Exception {
    doTest(true);
  }

  public void testParenthesisAroundInlinedLambda() throws Exception {
    doTest(true);
  }

  public void testArrayAccessPriority() throws Exception {
    doTest(true);
  }

  public void testDecodeRefsBeforeCheckingOverRedundantCasts() throws Exception {
    doTest(true);
  }

  public void testDontOpenMultidimensionalArrays() throws Exception {
    doTest(false);
  }

  public void testInsertNarrowingCastToAvoidSemanticsChange() throws Exception {
    doTest(false);
  }

  public void testInsertCastToGenericTypeToProvideValidReturnType() throws Exception {
    doTest(false);
  }

  public void testOperationPrecedenceWhenInlineToStringConcatenation() throws Exception {
    doTest(false);
  }

  public void testParenthesisAroundCast() throws Exception {
    doTest(false);
  }

  public void testLocalVarInsideLambdaBodyWriteUsage() throws Exception {
    doTest(true, "Cannot perform refactoring.\n" +
                 "Variable 'hello' is accessed for writing");
  }

  public void testInlineVariableIntoNestedLambda() throws Exception {
    doTest(false);
  }

  public void testAvoidTypeSpecificationWhenPossibleToAvoid() throws Exception {
    doTest(false);
  }

  private void doTest(final boolean inlineDef, String conflictMessage) throws Exception {
    try {
      doTest(inlineDef);
      fail("Conflict was not detected");
    }
    catch (RuntimeException e) {
      assertEquals(e.getMessage(), conflictMessage);
    }
  }


  private void doTest(final boolean inlineDef) throws Exception {
    setLanguageLevel(LanguageLevel.JDK_1_7);
    String name = getTestName(false);
    String fileName = "/refactoring/inlineLocal/" + name + ".java";
    configureByFile(fileName);
    if (!inlineDef) {
      performInline(getProject(), myEditor);
    }
    else {
      performDefInline(getProject(), myEditor);
    }
    checkResultByFile(fileName + ".after");
  }

  public static void performInline(Project project, Editor editor) {
    PsiElement element = TargetElementUtil
      .findTargetElement(editor, TargetElementUtil.ELEMENT_NAME_ACCEPTED | TargetElementUtil.REFERENCED_ELEMENT_ACCEPTED);
    assertTrue(element instanceof PsiLocalVariable);

    InlineLocalHandler.invoke(project, editor, (PsiLocalVariable)element, null);
  }

  public static void performDefInline(Project project, Editor editor) {
    PsiReference reference = TargetElementUtil.findReference(editor);
    assertTrue(reference instanceof PsiReferenceExpression);
    final PsiElement local = reference.resolve();
    assertTrue(local instanceof PsiLocalVariable);

    InlineLocalHandler.invoke(project, editor, (PsiLocalVariable)local, (PsiReferenceExpression)reference);
  }
}