MethodTypeParameterNameCheck.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) 2001-2018 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.naming;
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import com.puppycrawl.tools.checkstyle.api.DetailAST;
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import com.puppycrawl.tools.checkstyle.api.TokenTypes;
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/**
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 * <p>
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 * Checks that class type parameter names conform to a format specified
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 * by the format property.  The format is a
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 * {@link java.util.regex.Pattern regular expression} and defaults to
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 * <strong>^[A-Z]$</strong>.
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 * </p>
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 * <p>
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 * An example of how to configure the check is:
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 * </p>
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 * <pre>
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 * &lt;module name="MethodTypeParameterName"/&gt;
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 * </pre>
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 * <p>
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 * An example of how to configure the check for names that are only a single
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 * letter is
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 * </p>
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 * <pre>
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 * &lt;module name="MethodTypeParameterName"&gt;
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 *    &lt;property name="format" value="^[a-zA-Z]$"/&gt;
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 * &lt;/module&gt;
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 * </pre>
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 *
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 * @author Travis Schneeberger
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 */
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public class MethodTypeParameterNameCheck
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    extends AbstractNameCheck {
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    /** Creates a new {@code MethodTypeParameterNameCheck} instance. */
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    public MethodTypeParameterNameCheck() {
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        super("^[A-Z]$");
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    }
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    @Override
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    public int[] getDefaultTokens() {
60 1 1. getDefaultTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/naming/MethodTypeParameterNameCheck::getDefaultTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
        return getRequiredTokens();
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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/naming/MethodTypeParameterNameCheck::getAcceptableTokens to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
 
        return getRequiredTokens();
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    }
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    @Override
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    public int[] getRequiredTokens() {
70 1 1. getRequiredTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/naming/MethodTypeParameterNameCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
        return new int[] {
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            TokenTypes.TYPE_PARAMETER,
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        };
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    }
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    @Override
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    protected final boolean mustCheckName(DetailAST ast) {
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        final DetailAST location =
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            ast.getParent().getParent();
79 2 1. mustCheckName : negated conditional → KILLED
2. mustCheckName : replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED
 
        return location.getType() == TokenTypes.METHOD_DEF;
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    }
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}

Mutations

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1.1
Location : getDefaultTokens
Killed by : com.puppycrawl.tools.checkstyle.checks.naming.MethodTypeParameterNameCheckTest.testMethodFooName(com.puppycrawl.tools.checkstyle.checks.naming.MethodTypeParameterNameCheckTest) mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/naming/MethodTypeParameterNameCheck::getDefaultTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
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1.1
Location : getAcceptableTokens
Killed by : none mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/naming/MethodTypeParameterNameCheck::getAcceptableTokens to ( if (x != null) null else throw new RuntimeException ) → NO_COVERAGE
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1.1
Location : getRequiredTokens
Killed by : com.puppycrawl.tools.checkstyle.checks.naming.MethodTypeParameterNameCheckTest.testGetMethodRequiredTokens(com.puppycrawl.tools.checkstyle.checks.naming.MethodTypeParameterNameCheckTest) mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/naming/MethodTypeParameterNameCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
79

1.1
Location : mustCheckName
Killed by : com.puppycrawl.tools.checkstyle.checks.naming.MethodTypeParameterNameCheckTest.testMethodFooName(com.puppycrawl.tools.checkstyle.checks.naming.MethodTypeParameterNameCheckTest) negated conditional → KILLED

2.2
Location : mustCheckName
Killed by : com.puppycrawl.tools.checkstyle.checks.naming.MethodTypeParameterNameCheckTest.testMethodFooName(com.puppycrawl.tools.checkstyle.checks.naming.MethodTypeParameterNameCheckTest) replaced return of integer sized value with (x == 0 ? 1 : 0) → KILLED

Active mutators

Tests examined


Report generated by PIT 1.3.1