| /* |
| * Copyright 2000-2014 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 org.jetbrains.idea.devkit.inspections.internal; |
| |
| import org.jetbrains.idea.devkit.inspections.PluginModuleTestCase; |
| |
| public class UseVirtualFileEqualsInspectionTest extends PluginModuleTestCase { |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| myFixture.addClass("package com.intellij.openapi.vfs; public class VirtualFile {}"); |
| myFixture.enableInspections(new UseVirtualFileEqualsInspection()); |
| } |
| |
| public void testNulls() { |
| doTest("vf1 == null"); |
| doTest("null == vf1"); |
| } |
| |
| public void testThis() { |
| doTest("this == this"); |
| doTest("getTesting() == this"); |
| } |
| |
| public void testVirtualFile() { |
| doTest("<warning descr=\"VirtualFile objects should be compared by equals(), not ==\">vf1 != vf2</warning>"); |
| doTest("<warning descr=\"VirtualFile objects should be compared by equals(), not ==\">vf1 == vf2</warning>"); |
| } |
| |
| private void doTest(String expression) { |
| myFixture.configureByText("Testing.java", |
| "import com.intellij.openapi.vfs.VirtualFile;" + |
| "public class Testing {" + |
| " public void method() {" + |
| " VirtualFile vf1 = null;" + |
| " VirtualFile vf2 = null;" + |
| " if (" + expression + ") {}" + |
| " }" + |
| " public Testing getTesting() { return null; }" + |
| "}"); |
| myFixture.testHighlighting(); |
| } |
| } |