////////////////////////////////////////////////////////////////////////////////
// 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.sizes;
import static com.puppycrawl.tools.checkstyle.checks.sizes.ExecutableStatementCountCheck.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.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;
import com.puppycrawl.tools.checkstyle.utils.CommonUtils;
public class ExecutableStatementCountCheckTest
extends BaseCheckTestSupport {
@Override
protected String getPath(String filename) throws IOException {
return super.getPath("checks" + File.separator
+ "sizes" + File.separator + "executablestatementcount"
+ File.separator + filename);
}
@Test
public void testMaxZero() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(ExecutableStatementCountCheck.class);
checkConfig.addAttribute("max", "0");
final String[] expected = {
"4:5: " + getCheckMessage(MSG_KEY, 3, 0),
"7:17: " + getCheckMessage(MSG_KEY, 1, 0),
"17:5: " + getCheckMessage(MSG_KEY, 2, 0),
"27:5: " + getCheckMessage(MSG_KEY, 1, 0),
"34:5: " + getCheckMessage(MSG_KEY, 3, 0),
"48:5: " + getCheckMessage(MSG_KEY, 2, 0),
"58:5: " + getCheckMessage(MSG_KEY, 2, 0),
"67:5: " + getCheckMessage(MSG_KEY, 2, 0),
"76:5: " + getCheckMessage(MSG_KEY, 2, 0),
"79:13: " + getCheckMessage(MSG_KEY, 1, 0),
};
verify(checkConfig, getPath("InputExecutableStatementCount.java"), expected);
}
@Test
public void testMethodDef() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(ExecutableStatementCountCheck.class);
checkConfig.addAttribute("max", "0");
checkConfig.addAttribute("tokens", "METHOD_DEF");
final String[] expected = {
"4:5: " + getCheckMessage(MSG_KEY, 3, 0),
"7:17: " + getCheckMessage(MSG_KEY, 1, 0),
"17:5: " + getCheckMessage(MSG_KEY, 2, 0),
"27:5: " + getCheckMessage(MSG_KEY, 1, 0),
"34:5: " + getCheckMessage(MSG_KEY, 3, 0),
"79:13: " + getCheckMessage(MSG_KEY, 1, 0),
};
verify(checkConfig, getPath("InputExecutableStatementCount.java"), expected);
}
@Test
public void testCtorDef() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(ExecutableStatementCountCheck.class);
checkConfig.addAttribute("max", "0");
checkConfig.addAttribute("tokens", "CTOR_DEF");
final String[] expected = {
"48:5: " + getCheckMessage(MSG_KEY, 2, 0),
"76:5: " + getCheckMessage(MSG_KEY, 2, 0),
};
verify(checkConfig, getPath("InputExecutableStatementCount.java"), expected);
}
@Test
public void testStaticInit() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(ExecutableStatementCountCheck.class);
checkConfig.addAttribute("max", "0");
checkConfig.addAttribute("tokens", "STATIC_INIT");
final String[] expected = {
"58:5: " + getCheckMessage(MSG_KEY, 2, 0),
};
verify(checkConfig, getPath("InputExecutableStatementCount.java"), expected);
}
@Test
public void testInstanceInit() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(ExecutableStatementCountCheck.class);
checkConfig.addAttribute("max", "0");
checkConfig.addAttribute("tokens", "INSTANCE_INIT");
final String[] expected = {
"67:5: " + getCheckMessage(MSG_KEY, 2, 0),
};
verify(checkConfig, getPath("InputExecutableStatementCount.java"), expected);
}
@Test
public void testVisitTokenWithWrongTokenType() {
final ExecutableStatementCountCheck checkObj =
new ExecutableStatementCountCheck();
final DetailAST ast = new DetailAST();
ast.initialize(
new CommonHiddenStreamToken(TokenTypes.ENUM, "ENUM"));
try {
checkObj.visitToken(ast);
fail("exception expected");
}
catch (IllegalStateException ex) {
assertEquals("ENUM[0x-1]", ex.getMessage());
}
}
@Test
public void testLeaveTokenWithWrongTokenType() {
final ExecutableStatementCountCheck checkObj =
new ExecutableStatementCountCheck();
final DetailAST ast = new DetailAST();
ast.initialize(
new CommonHiddenStreamToken(TokenTypes.ENUM, "ENUM"));
try {
checkObj.leaveToken(ast);
fail("exception expected");
}
catch (IllegalStateException ex) {
assertEquals("ENUM[0x-1]", ex.getMessage());
}
}
@Test
public void testDefaultConfiguration() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(ExecutableStatementCountCheck.class);
createChecker(checkConfig);
final String[] expected = CommonUtils.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("InputExecutableStatementCount.java"), expected);
}
}