MissingCtorCheck.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.coding;
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import com.puppycrawl.tools.checkstyle.StatelessCheck;
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import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
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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 classes (except abstract one) define a ctor and don't rely
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 * on the default one.
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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="MissingCtor"/&gt;
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 * </pre>
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 *
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 * @author o_sukhodolsky
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 */
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@StatelessCheck
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public class MissingCtorCheck extends AbstractCheck {
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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 = "missing.ctor";
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    @Override
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    public int[] getDefaultTokens() {
52 1 1. getDefaultTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/MissingCtorCheck::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() {
57 1 1. getAcceptableTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/MissingCtorCheck::getAcceptableTokens 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[] getRequiredTokens() {
62 1 1. getRequiredTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/MissingCtorCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
        return new int[] {TokenTypes.CLASS_DEF};
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    }
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    @Override
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    public void visitToken(DetailAST ast) {
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        final DetailAST modifiers = ast.findFirstToken(TokenTypes.MODIFIERS);
68 1 1. visitToken : negated conditional → KILLED
        if (modifiers.findFirstToken(TokenTypes.ABSTRACT) == null
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                && ast.findFirstToken(TokenTypes.OBJBLOCK)
70 1 1. visitToken : negated conditional → KILLED
                    .findFirstToken(TokenTypes.CTOR_DEF) == null) {
71 1 1. visitToken : removed call to com/puppycrawl/tools/checkstyle/checks/coding/MissingCtorCheck::log → KILLED
            log(ast.getLineNo(), MSG_KEY);
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        }
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    }
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}

Mutations

52

1.1
Location : getDefaultTokens
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest.testTokensNotNull(com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest)
mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/MissingCtorCheck::getDefaultTokens 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.coding.MissingCtorCheckTest.testTokensNotNull(com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest)
mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/MissingCtorCheck::getAcceptableTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED

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1.1
Location : getRequiredTokens
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest.testTokensNotNull(com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest)
mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/MissingCtorCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED

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1.1
Location : visitToken
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest.testMissingSwitchDefault(com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest)
negated conditional → KILLED

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1.1
Location : visitToken
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest.testMissingSwitchDefault(com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest)
negated conditional → KILLED

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1.1
Location : visitToken
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest.testMissingSwitchDefault(com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheckTest)
removed call to com/puppycrawl/tools/checkstyle/checks/coding/MissingCtorCheck::log → KILLED

Active mutators

Tests examined


Report generated by PIT 1.3.1