////////////////////////////////////////////////////////////////////////////////
// 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.metrics;
import static com.puppycrawl.tools.checkstyle.checks.metrics.BooleanExpressionComplexityCheck.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 BooleanExpressionComplexityCheckTest extends BaseCheckTestSupport {
@Override
protected String getPath(String filename) throws IOException {
return super.getPath("checks" + File.separator
+ "metrics" + File.separator + filename);
}
@Test
public void test() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(BooleanExpressionComplexityCheck.class);
final String[] expected = {
"13:9: " + getCheckMessage(MSG_KEY, 4, 3),
"32:9: " + getCheckMessage(MSG_KEY, 6, 3),
"38:34: " + getCheckMessage(MSG_KEY, 4, 3),
"40:34: " + getCheckMessage(MSG_KEY, 4, 3),
};
verify(checkConfig, getPath("InputBooleanExpressionComplexity.java"), expected);
}
@Test
public void testNoBitwise() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(BooleanExpressionComplexityCheck.class);
checkConfig.addAttribute("max", "5");
checkConfig.addAttribute("tokens", "BXOR,LAND,LOR");
final String[] expected = CommonUtils.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("InputBooleanExpressionComplexity.java"), expected);
}
@Test
public void testNullPointerException() throws Exception {
final DefaultConfiguration checkConfig =
createCheckConfig(BooleanExpressionComplexityCheck.class);
final String[] expected = CommonUtils.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("InputBooleanExpressionComplexityNPE.java"), expected);
}
@Test
public void testWrongToken() {
final BooleanExpressionComplexityCheck booleanExpressionComplexityCheckObj =
new BooleanExpressionComplexityCheck();
final DetailAST ast = new DetailAST();
ast.initialize(new CommonHiddenStreamToken(TokenTypes.INTERFACE_DEF, "interface"));
try {
booleanExpressionComplexityCheckObj.visitToken(ast);
fail("exception expected");
}
catch (IllegalArgumentException ex) {
assertEquals("Unknown type: interface[0x-1]", ex.getMessage());
}
}
}