NoFinalizerCheck.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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 * Checks that no method having zero parameters is defined
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 * using the name <em>finalize</em>.
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 *
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 * @author fqian@google.com (Feng Qian)
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 * @author smckay@google.com (Steve McKay)
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 * @author lkuehne
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 */
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@StatelessCheck
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public class NoFinalizerCheck 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 = "avoid.finalizer.method";
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    @Override
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    public int[] getDefaultTokens() {
46 1 1. getDefaultTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/NoFinalizerCheck::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() {
51 1 1. getAcceptableTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/NoFinalizerCheck::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() {
56 1 1. getRequiredTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/NoFinalizerCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
 
        return new int[] {TokenTypes.METHOD_DEF};
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    }
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    @Override
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    public void visitToken(DetailAST aAST) {
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        final DetailAST mid = aAST.findFirstToken(TokenTypes.IDENT);
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        final String name = mid.getText();
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64 1 1. visitToken : negated conditional → KILLED
 
        if ("finalize".equals(name)) {
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            final DetailAST params = aAST.findFirstToken(TokenTypes.PARAMETERS);
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            final boolean hasEmptyParamList =
67 1 1. visitToken : negated conditional → KILLED
 
                params.findFirstToken(TokenTypes.PARAMETER_DEF) == null;
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69 1 1. visitToken : negated conditional → KILLED
 
            if (hasEmptyParamList) {
70 1 1. visitToken : removed call to com/puppycrawl/tools/checkstyle/checks/coding/NoFinalizerCheck::log → KILLED
 
                log(aAST.getLineNo(), MSG_KEY);
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            }
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        }
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    }
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}

Mutations

46

1.1
Location : getDefaultTokens
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest.testHasFinalizer(com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest) mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/NoFinalizerCheck::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.NoFinalizerCheckTest.testGetAcceptableTokens(com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest) mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/NoFinalizerCheck::getAcceptableTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
56

1.1
Location : getRequiredTokens
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest.testGetAcceptableTokens(com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest) mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/coding/NoFinalizerCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED
64

1.1
Location : visitToken
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest.testHasFinalizer(com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest) negated conditional → KILLED
67

1.1
Location : visitToken
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest.testHasFinalizer(com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest) negated conditional → KILLED
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1.1
Location : visitToken
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest.testHasFinalizer(com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest) negated conditional → KILLED
70

1.1
Location : visitToken
Killed by : com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest.testHasFinalizer(com.puppycrawl.tools.checkstyle.checks.coding.NoFinalizerCheckTest) removed call to com/puppycrawl/tools/checkstyle/checks/coding/NoFinalizerCheck::log → KILLED

Active mutators

Tests examined


Report generated by PIT 1.3.1