//////////////////////////////////////////////////////////////////////////////// // checkstyle: Checks Java source code for adherence to a set of rules. // Copyright (C) 2001-2017 the original author or authors. // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //////////////////////////////////////////////////////////////////////////////// package com.puppycrawl.tools.checkstyle.checks.modifier; import static com.puppycrawl.tools.checkstyle.checks.modifier.RedundantModifierCheck.MSG_KEY; import java.io.File; import java.io.IOException; import org.junit.Assert; import org.junit.Test; import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport; import com.puppycrawl.tools.checkstyle.DefaultConfiguration; import com.puppycrawl.tools.checkstyle.api.TokenTypes; import com.puppycrawl.tools.checkstyle.utils.CommonUtils; public class RedundantModifierCheckTest extends BaseCheckTestSupport { @Override protected String getPath(String filename) throws IOException { return super.getPath("checks" + File.separator + "modifier" + File.separator + filename); } @Override protected String getNonCompilablePath(String filename) throws IOException { return super.getNonCompilablePath("checks" + File.separator + "modifier" + File.separator + filename); } @Test public void testClassesInsideOfInterfaces() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "11:5: " + getCheckMessage(MSG_KEY, "static"), "17:5: " + getCheckMessage(MSG_KEY, "public"), "20:5: " + getCheckMessage(MSG_KEY, "public"), "26:5: " + getCheckMessage(MSG_KEY, "static"), }; verify(checkConfig, getPath("InputModifierClassesInsideOfInterfaces.java"), expected); } @Test public void testIt() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "54:12: " + getCheckMessage(MSG_KEY, "static"), "57:9: " + getCheckMessage(MSG_KEY, "public"), "63:9: " + getCheckMessage(MSG_KEY, "abstract"), "66:9: " + getCheckMessage(MSG_KEY, "public"), //"69:9: Redundant 'abstract' modifier.", "72:9: " + getCheckMessage(MSG_KEY, "final"), "79:13: " + getCheckMessage(MSG_KEY, "final"), "88:12: " + getCheckMessage(MSG_KEY, "final"), "99:1: " + getCheckMessage(MSG_KEY, "abstract"), "116:5: " + getCheckMessage(MSG_KEY, "public"), "117:5: " + getCheckMessage(MSG_KEY, "final"), "118:5: " + getCheckMessage(MSG_KEY, "static"), "120:5: " + getCheckMessage(MSG_KEY, "public"), "121:5: " + getCheckMessage(MSG_KEY, "abstract"), }; verify(checkConfig, getPath("InputModifier.java"), expected); } @Test public void testStaticMethodInInterface() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = CommonUtils.EMPTY_STRING_ARRAY; verify(checkConfig, getPath("InputStaticModifierInInterface.java"), expected); } @Test public void testFinalInInterface() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "5:9: " + getCheckMessage(MSG_KEY, "final"), }; verify(checkConfig, getPath("InputFinalInDefaultMethods.java"), expected); } @Test public void testEnumConstructorIsImplicitlyPrivate() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "10:5: " + getCheckMessage(MSG_KEY, "private"), }; verify(checkConfig, getPath("InputRedundantConstructorModifier.java"), expected); } @Test public void testInnerTypeInInterfaceIsImplicitlyStatic() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "8:5: " + getCheckMessage(MSG_KEY, "static"), "12:5: " + getCheckMessage(MSG_KEY, "static"), }; verify(checkConfig, getPath("InputRedundantStaticModifierInInnerTypeOfInterface.java"), expected); } @Test public void testNotPublicClassConstructorHasNotPublicModifier() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "18:5: " + getCheckMessage(MSG_KEY, "public"), }; verify(checkConfig, getPath("InputRedundantPublicModifierInNotPublicClass.java"), expected); } @Test public void testNestedClassConsInPublicInterfaceHasValidPublicModifier() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "18:33: " + getCheckMessage(MSG_KEY, "public"), "22:41: " + getCheckMessage(MSG_KEY, "public"), "33:33: " + getCheckMessage(MSG_KEY, "public"), "41:33: " + getCheckMessage(MSG_KEY, "public"), }; verify(checkConfig, getPath("InputNestedClassInPublicInterfaceRedundantModifiers.java"), expected); } @Test public void testGetAcceptableTokens() { final RedundantModifierCheck redundantModifierCheckObj = new RedundantModifierCheck(); final int[] actual = redundantModifierCheckObj.getAcceptableTokens(); final int[] expected = { TokenTypes.METHOD_DEF, TokenTypes.VARIABLE_DEF, TokenTypes.ANNOTATION_FIELD_DEF, TokenTypes.INTERFACE_DEF, TokenTypes.CTOR_DEF, TokenTypes.CLASS_DEF, TokenTypes.ENUM_DEF, TokenTypes.RESOURCE, }; Assert.assertArrayEquals(expected, actual); } @Test public void testGetRequiredTokens() { final RedundantModifierCheck redundantModifierCheckObj = new RedundantModifierCheck(); final int[] actual = redundantModifierCheckObj.getRequiredTokens(); final int[] expected = CommonUtils.EMPTY_INT_ARRAY; Assert.assertArrayEquals(expected, actual); } @Test public void testNestedStaticEnum() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "4:5: " + getCheckMessage(MSG_KEY, "static"), "8:9: " + getCheckMessage(MSG_KEY, "static"), "12:9: " + getCheckMessage(MSG_KEY, "static"), }; verify(checkConfig, getPath("InputRedundantStaticModifierInNestedEnum.java"), expected); } @Test public void testFinalInAnonymousClass() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "14:20: " + getCheckMessage(MSG_KEY, "final"), }; verify(checkConfig, getPath("InputFinalInAnonymousClass.java"), expected); } @Test public void testFinalInTryWithResource() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "22:14: " + getCheckMessage(MSG_KEY, "final"), "27:14: " + getCheckMessage(MSG_KEY, "final"), "28:17: " + getCheckMessage(MSG_KEY, "final"), }; verify(checkConfig, getPath("InputFinalInTryWithResource.java"), expected); } @Test public void testFinalInAbstractMethods() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "4:33: " + getCheckMessage(MSG_KEY, "final"), "8:49: " + getCheckMessage(MSG_KEY, "final"), "11:17: " + getCheckMessage(MSG_KEY, "final"), "16:24: " + getCheckMessage(MSG_KEY, "final"), "25:33: " + getCheckMessage(MSG_KEY, "final"), }; verify(checkConfig, getPath("InputFinalInAbstractMethods.java"), expected); } @Test public void testEnumMethods() throws Exception { final DefaultConfiguration checkConfig = createCheckConfig(RedundantModifierCheck.class); final String[] expected = { "7:16: " + getCheckMessage(MSG_KEY, "final"), "22:16: " + getCheckMessage(MSG_KEY, "final"), }; verify(checkConfig, getPath("InputFinalInEnumMethods.java"), expected); } }