////////////////////////////////////////////////////////////////////////////////
// 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.whitespace;
import static com.puppycrawl.tools.checkstyle.checks.whitespace.NoWhitespaceAfterCheck.MSG_KEY;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.IOException;
import org.junit.Before;
import org.junit.Test;
import antlr.CommonHiddenStreamToken;
import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
import com.puppycrawl.tools.checkstyle.api.DetailAST;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
public class NoWhitespaceAfterCheckTest
extends BaseCheckTestSupport {
private DefaultConfiguration checkConfig;
@Override
protected String getPath(String filename) throws IOException {
return super.getPath("checks" + File.separator
+ "whitespace" + File.separator
+ "nowhitespaceafter" + File.separator
+ filename);
}
@Override
protected String getNonCompilablePath(String filename) throws IOException {
return super.getNonCompilablePath("checks" + File.separator
+ "whitespace" + File.separator + filename);
}
@Before
public void setUp() {
checkConfig = createCheckConfig(NoWhitespaceAfterCheck.class);
}
@Test
public void testDefault() throws Exception {
checkConfig.addAttribute("allowLineBreaks", "false");
final String[] expected = {
"5:14: " + getCheckMessage(MSG_KEY, "."),
"6:12: " + getCheckMessage(MSG_KEY, "."),
"29:14: " + getCheckMessage(MSG_KEY, "-"),
"29:21: " + getCheckMessage(MSG_KEY, "+"),
"31:15: " + getCheckMessage(MSG_KEY, "++"),
"31:22: " + getCheckMessage(MSG_KEY, "--"),
"111:22: " + getCheckMessage(MSG_KEY, "!"),
"112:23: " + getCheckMessage(MSG_KEY, "~"),
"129:24: " + getCheckMessage(MSG_KEY, "."),
"132:11: " + getCheckMessage(MSG_KEY, "."),
"136:12: " + getCheckMessage(MSG_KEY, "."),
"264:2: " + getCheckMessage(MSG_KEY, "."),
};
verify(checkConfig, getPath("InputNoWhitespaceAfter.java"), expected);
}
@Test
public void testDotAllowLineBreaks() throws Exception {
checkConfig.addAttribute("tokens", "DOT");
final String[] expected = {
"5:14: " + getCheckMessage(MSG_KEY, "."),
"129:24: " + getCheckMessage(MSG_KEY, "."),
"136:12: " + getCheckMessage(MSG_KEY, "."),
};
verify(checkConfig, getPath("InputNoWhitespaceAfter.java"), expected);
}
@Test
public void testTypecast() throws Exception {
checkConfig.addAttribute("tokens", "TYPECAST");
final String[] expected = {
"87:28: " + getCheckMessage(MSG_KEY, ")"),
"89:23: " + getCheckMessage(MSG_KEY, ")"),
"241:22: " + getCheckMessage(MSG_KEY, ")"),
};
verify(checkConfig, getPath("InputNoWhitespaceAfter.java"), expected);
}
@Test
public void testArrayDeclarations() throws Exception {
checkConfig.addAttribute("tokens", "ARRAY_DECLARATOR");
checkConfig.addAttribute("tokens", "INDEX_OP");
final String[] expected = {
"6:11: " + getCheckMessage(MSG_KEY, "Object"),
"8:22: " + getCheckMessage(MSG_KEY, "someStuff3"),
"9:8: " + getCheckMessage(MSG_KEY, "int"),
"10:13: " + getCheckMessage(MSG_KEY, "s"),
"11:13: " + getCheckMessage(MSG_KEY, "d"),
"16:14: " + getCheckMessage(MSG_KEY, "get"),
"18:8: " + getCheckMessage(MSG_KEY, "int"),
"19:34: " + getCheckMessage(MSG_KEY, "get1"),
"28:8: " + getCheckMessage(MSG_KEY, "int"),
"29:12: " + getCheckMessage(MSG_KEY, "cba"),
"31:26: " + getCheckMessage(MSG_KEY, "String"),
"32:27: " + getCheckMessage(MSG_KEY, "String"),
"39:11: " + getCheckMessage(MSG_KEY, "ar"),
"39:24: " + getCheckMessage(MSG_KEY, "int"),
"40:16: " + getCheckMessage(MSG_KEY, "int"),
"43:63: " + getCheckMessage(MSG_KEY, "getLongMultArray"),
};
verify(checkConfig, getPath("InputNoWhitespaceAfterArrayDeclarations.java"), expected);
}
@Test
public void testArrayDeclarations2() throws Exception {
checkConfig.addAttribute("tokens", "ARRAY_DECLARATOR");
checkConfig.addAttribute("tokens", "INDEX_OP");
final String[] expected = {
"12:30: " + getCheckMessage(MSG_KEY, "]"),
"17:40: " + getCheckMessage(MSG_KEY, "create"),
"18:27: " + getCheckMessage(MSG_KEY, "int"),
"29:23: " + getCheckMessage(MSG_KEY, "]"),
"30:27: " + getCheckMessage(MSG_KEY, "int"),
"30:38: " + getCheckMessage(MSG_KEY, "]"),
"30:51: " + getCheckMessage(MSG_KEY, "]"),
"35:44: " + getCheckMessage(MSG_KEY, "int"),
"35:56: " + getCheckMessage(MSG_KEY, "]"),
"36:18: " + getCheckMessage(MSG_KEY, "e"),
"36:23: " + getCheckMessage(MSG_KEY, "]"),
"36:43: " + getCheckMessage(MSG_KEY, "]"),
"37:14: " + getCheckMessage(MSG_KEY, "e"),
"37:18: " + getCheckMessage(MSG_KEY, "]"),
"42:30: " + getCheckMessage(MSG_KEY, "Integer"),
"43:20: " + getCheckMessage(MSG_KEY, "]"),
"48:28: " + getCheckMessage(MSG_KEY, ">"),
"48:31: " + getCheckMessage(MSG_KEY, "]"),
"48:34: " + getCheckMessage(MSG_KEY, "]"),
"52:34: " + getCheckMessage(MSG_KEY, "int"),
"54:14: " + getCheckMessage(MSG_KEY, "g"),
"55:17: " + getCheckMessage(MSG_KEY, "]"),
"56:14: " + getCheckMessage(MSG_KEY, "g"),
"56:18: " + getCheckMessage(MSG_KEY, "]"),
"56:22: " + getCheckMessage(MSG_KEY, "]"),
"62:50: " + getCheckMessage(MSG_KEY, "create"),
"62:57: " + getCheckMessage(MSG_KEY, "]"),
"67:32: " + getCheckMessage(MSG_KEY, "boolean"),
"69:46: " + getCheckMessage(MSG_KEY, "String"),
"69:50: " + getCheckMessage(MSG_KEY, "]"),
"70:36: " + getCheckMessage(MSG_KEY, "String"),
"81:40: " + getCheckMessage(MSG_KEY, "Integer"),
"85:14: " + getCheckMessage(MSG_KEY, "char"),
"86:52: " + getCheckMessage(MSG_KEY, "A"),
"87:86: " + getCheckMessage(MSG_KEY, "Object"),
"90:41: " + getCheckMessage(MSG_KEY, ")"),
"90:49: " + getCheckMessage(MSG_KEY, "]"),
"92:35: " + getCheckMessage(MSG_KEY, "Object"),
"94:45: " + getCheckMessage(MSG_KEY, ")"),
"97:41: " + getCheckMessage(MSG_KEY, "Object"),
"100:43: " + getCheckMessage(MSG_KEY, "]"),
};
verify(checkConfig, getPath("InputNoWhitespaceAfterArrayDeclarations2.java"), expected);
}
@Test
public void testSynchronized() throws Exception {
checkConfig.addAttribute("tokens", "LITERAL_SYNCHRONIZED");
final String[] expected = {
"14:21: " + getCheckMessage(MSG_KEY, "synchronized"),
};
verify(checkConfig, getPath("InputNoWhitespaceAfterSynchronized.java"), expected);
}
@Test
public void testNpe() throws Exception {
verify(checkConfig, getPath("InputNoWhitespaceAfterFormerNpe.java"));
}
@Test
public void testMethodReference() throws Exception {
final String[] expected = {
"9:40: " + getCheckMessage(MSG_KEY, "int"),
"10:61: " + getCheckMessage(MSG_KEY, "String"),
};
verify(checkConfig, getPath("InputNoWhitespaceAfterMethodRef.java"), expected);
}
@Test
public void testMethodReferenceAfter() throws Exception {
checkConfig.addAttribute("tokens", "METHOD_REF");
final String[] expected = {
"17:37: " + getCheckMessage(MSG_KEY, "::"),
"18:66: " + getCheckMessage(MSG_KEY, "::"),
};
verify(checkConfig, getPath("InputNoWhitespaceAfterBadMethodRef.java"), expected);
}
@Test
public void testVisitTokenSwitchReflection() {
//unexpected parent for ARRAY_DECLARATOR token
final DetailAST astImport = mockAST(TokenTypes.IMPORT, "import", "mockfile");
final DetailAST astArrayDeclarator = mockAST(TokenTypes.ARRAY_DECLARATOR, "[", "mockfile");
final DetailAST astRightBracket = mockAST(TokenTypes.RBRACK, "[", "mockfile");
astImport.addChild(astArrayDeclarator);
astArrayDeclarator.addChild(astRightBracket);
final NoWhitespaceAfterCheck check = new NoWhitespaceAfterCheck();
try {
check.visitToken(astArrayDeclarator);
fail("no intended exception thrown");
}
catch (IllegalStateException ex) {
assertEquals("unexpected ast syntax import[0x-1]", ex.getMessage());
}
}
/**
* Creates MOCK lexical token and returns AST node for this token
* @param tokenType type of token
* @param tokenText text of token
* @param tokenFileName file name of token
* @return AST node for the token
*/
private static DetailAST mockAST(final int tokenType, final String tokenText,
final String tokenFileName) {
final CommonHiddenStreamToken tokenImportSemi = new CommonHiddenStreamToken();
tokenImportSemi.setType(tokenType);
tokenImportSemi.setText(tokenText);
tokenImportSemi.setFilename(tokenFileName);
final DetailAST astSemi = new DetailAST();
astSemi.initialize(tokenImportSemi);
return astSemi;
}
}