ClassFanOutComplexityCheck.java

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////////////////////////////////////////////////////////////////////////////////
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// checkstyle: Checks Java source code for adherence to a set of rules.
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// Copyright (C) 2001-2017 the original author or authors.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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////////////////////////////////////////////////////////////////////////////////
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package com.puppycrawl.tools.checkstyle.checks.metrics;
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import com.puppycrawl.tools.checkstyle.api.TokenTypes;
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/**
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 * The number of other classes a given class relies on. Also the square
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 * of this has been shown to indicate the amount of maintenance required
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 * in functional programs (on a file basis) at least.
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 *
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 * @author <a href="mailto:simon@redhillconsulting.com.au">Simon Harris</a>
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 * @author o_sukhodolsky
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 */
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public final class ClassFanOutComplexityCheck extends AbstractClassCouplingCheck {
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    /**
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     * A key is pointing to the warning message text in "messages.properties"
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     * file.
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     */
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    public static final String MSG_KEY = "classFanOutComplexity";
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    /** Default value of max value. */
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    private static final int DEFAULT_MAX = 20;
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    /** Creates new instance of this check. */
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    public ClassFanOutComplexityCheck() {
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        super(DEFAULT_MAX);
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    }
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    @Override
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    public int[] getRequiredTokens() {
50 1 1. getRequiredTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
        return new int[] {
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            TokenTypes.PACKAGE_DEF,
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            TokenTypes.IMPORT,
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            TokenTypes.CLASS_DEF,
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            TokenTypes.INTERFACE_DEF,
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            TokenTypes.ENUM_DEF,
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            TokenTypes.TYPE,
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            TokenTypes.LITERAL_NEW,
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            TokenTypes.LITERAL_THROWS,
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            TokenTypes.ANNOTATION_DEF,
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        };
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    }
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    @Override
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    public int[] getAcceptableTokens() {
65 1 1. getAcceptableTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheck::getAcceptableTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
        return new int[] {
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            TokenTypes.PACKAGE_DEF,
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            TokenTypes.IMPORT,
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            TokenTypes.CLASS_DEF,
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            TokenTypes.INTERFACE_DEF,
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            TokenTypes.ENUM_DEF,
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            TokenTypes.TYPE,
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            TokenTypes.LITERAL_NEW,
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            TokenTypes.LITERAL_THROWS,
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            TokenTypes.ANNOTATION_DEF,
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        };
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    }
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    // -@cs[SimpleAccessorNameNotation] Override methods from base class.
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    // Issue: https://github.com/sevntu-checkstyle/sevntu.checkstyle/issues/166
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    @Override
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    protected String getLogMessageId() {
82 1 1. getLogMessageId : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheck::getLogMessageId to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
        return MSG_KEY;
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    }
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}

Mutations

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1.1
Location : getRequiredTokens
Killed by : com.puppycrawl.tools.checkstyle.checks.metrics.ClassFanOutComplexityCheckTest.testExcludedPackagesAllIgnored(com.puppycrawl.tools.checkstyle.checks.metrics.ClassFanOutComplexityCheckTest) mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
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1.1
Location : getAcceptableTokens
Killed by : com.puppycrawl.tools.checkstyle.checks.metrics.ClassFanOutComplexityCheckTest.testGetAcceptableTokens(com.puppycrawl.tools.checkstyle.checks.metrics.ClassFanOutComplexityCheckTest) mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheck::getAcceptableTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
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1.1
Location : getLogMessageId
Killed by : com.puppycrawl.tools.checkstyle.checks.metrics.ClassFanOutComplexityCheckTest.testExcludedPackagesDirectPackages(com.puppycrawl.tools.checkstyle.checks.metrics.ClassFanOutComplexityCheckTest) mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/metrics/ClassFanOutComplexityCheck::getLogMessageId to ( if (x != null) null else throw new RuntimeException ) → KILLED

Active mutators

Tests examined


Report generated by PIT 1.2.4