openide/java/java-tests/testSrc/com/intellij/codeInspection/DataFlowInspectionTest.java

/*
 * Copyright 2000-2012 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.codeInspection;

import com.intellij.JavaTestUtil;
import com.intellij.codeInsight.NullableNotNullManager;
import com.intellij.codeInspection.dataFlow.DataFlowInspection;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.util.Disposer;
import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;

/**
 * @author peter
 */
public class DataFlowInspectionTest extends LightCodeInsightFixtureTestCase {

  @Override
  protected String getTestDataPath() {
    return JavaTestUtil.getJavaTestDataPath() + "/inspection/dataFlow/fixture/";
  }

  private void doTest() {
    final DataFlowInspection inspection = new DataFlowInspection();
    inspection.SUGGEST_NULLABLE_ANNOTATIONS = true;
    myFixture.enableInspections(inspection);
    myFixture.testHighlighting(true, false, true, getTestName(false) + ".java");
  }

  public void testTryInAnonymous() throws Throwable { doTest(); }
  public void testNullableAnonymousMethod() throws Throwable { doTest(); }
  public void testNullableAnonymousParameter() throws Throwable { doTest(); }
  public void testNullableAnonymousVolatile() throws Throwable { doTest(); }
  public void testNullableAnonymousVolatileNotNull() throws Throwable { doTest(); }
  public void testLocalClass() throws Throwable { doTest(); }

  public void testFieldInAnonymous() throws Throwable { doTest(); }
  public void testFieldInitializerInAnonymous() throws Throwable { doTest(); }
  public void testNullableField() throws Throwable { doTest(); }
  public void testCanBeNullDoesntImplyIsNull() throws Throwable { doTest(); }
  public void testAnnReport() throws Throwable { doTest(); }

  public void testBigMethodNotComplex() throws Throwable { doTest(); }
  public void testBuildRegexpNotComplex() throws Throwable { doTest(); }
  public void testTernaryInWhileNotComplex() throws Throwable { doTest(); }
  public void testTryCatchInForNotComplex() throws Throwable { doTest(); }
  public void testFieldChangedBetweenSynchronizedBlocks() throws Throwable { doTest(); }

  public void testGeneratedEquals() throws Throwable { doTest(); }

  public void testIDEA84489() throws Throwable { doTest(); }
  public void testComparingToNotNullShouldNotAffectNullity() throws Throwable { doTest(); }
  public void testStringTernaryAlwaysTrue() throws Throwable { doTest(); }

  public void testBoxing128() throws Throwable { doTest(); }
  public void testFinalFieldsInitializedByAnnotatedParameters() throws Throwable { doTest(); }
  public void testMultiCatch() throws Throwable { doTest(); }
  public void testContinueFlushesLoopVariable() throws Throwable { doTest(); }

  public void testEqualsNotNull() throws Throwable { doTest(); }
  public void testVisitFinallyOnce() throws Throwable { doTest(); }
  public void testNotEqualsDoesntImplyNotNullity() throws Throwable { doTest(); }
  public void testEqualsEnumConstant() throws Throwable { doTest(); }
  public void testEqualsConstant() throws Throwable { doTest(); }
  public void testFinalLoopVariableInstanceof() throws Throwable { doTest(); }
  public void testGreaterIsNotEquals() throws Throwable { doTest(); }
  public void testNotGreaterIsNotEquals() throws Throwable { doTest(); }

  public void testChainedFinalFieldsDfa() throws Throwable { doTest(); }
  public void testFinalFieldsDifferentInstances() throws Throwable { doTest(); }
  public void testThisFieldGetters() throws Throwable { doTest(); }
  public void testChainedFinalFieldAccessorsDfa() throws Throwable { doTest(); }

  public void testAssigningUnknownToNullable() throws Throwable { doTest(); }
  public void testAssigningClassLiteralToNullable() throws Throwable { doTest(); }

  public void testSynchronizingOnNullable() throws Throwable { doTest(); }
  public void testReturningNullFromVoidMethod() throws Throwable { doTest(); }

  public void testCatchRuntimeException() throws Throwable { doTest(); }

  public void testAssertFailInCatch() throws Throwable {
    myFixture.addClass("package org.junit; public class Assert { public static void fail() {}}");
    doTest();
  }

  public void testPreserveNullableOnUncheckedCast() throws Throwable { doTest(); }

  public void testPassingNullableIntoVararg() throws Throwable { doTest(); }
  public void testEqualsImpliesNotNull() throws Throwable { doTest(); }
  public void testEffectivelyUnqualified() throws Throwable { doTest(); }

  public void testAnnotatedTypeParameters() throws Throwable {
    setupCustomAnnotations();
    doTest();
  }

  private void setupCustomAnnotations() {
    myFixture.addClass("package foo; public @interface Nullable {}");
    myFixture.addClass("package foo; public @interface NotNull {}");
    final NullableNotNullManager nnnManager = NullableNotNullManager.getInstance(getProject());
    nnnManager.setNotNulls("foo.NotNull");
    nnnManager.setNullables("foo.Nullable");
    Disposer.register(myTestRootDisposable, new Disposable() {
      @Override
      public void dispose() {
        nnnManager.setNotNulls();
        nnnManager.setNullables();
      }
    });
  }

  public void testSkipAssertions() {
    final DataFlowInspection inspection = new DataFlowInspection();
    inspection.DONT_REPORT_TRUE_ASSERT_STATEMENTS = true;
    myFixture.enableInspections(inspection);
    myFixture.testHighlighting(true, false, true, getTestName(false) + ".java");
  }

  public void testCheckFieldInitializers() {
    doTest();
  }

  public void testConstantDoubleComparisons() { doTest(); }
  
  public void testMutableNullableFieldsTreatment() { doTest(); }
  public void testMutableVolatileNullableFieldsTreatment() { doTest(); }
  public void testMutableNotAnnotatedFieldsTreatment() { doTest(); }

  public void testMethodCallFlushesField() { doTest(); }
  public void testUnknownFloatMayBeNaN() { doTest(); }
  public void testLastConstantConditionInAnd() { doTest(); }

  public void testTransientFinalField() { doTest(); }
  public void _testSymmetricUncheckedCast() { doTest(); }
  public void testNullCheckDoesntAffectUncheckedCast() { doTest(); }

  public void testNullableForeachVariable() {
    setupCustomAnnotations();
    doTest();
  }

  public void testTryWithResourcesNullability() { doTest(); }
  public void testTryWithResourcesInstanceOf() { doTest(); }
  public void testOmnipresentExceptions() { doTest(); }

}