MemoryLine.java

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// Copyright © 2004-2006 University of Helsinki, Department of Computer Science
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// Copyright © 2012 various contributors
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// This software is released under GNU Lesser General Public License 2.1.
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// The license text is at http://www.gnu.org/licenses/lgpl-2.1.html
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package fi.helsinki.cs.titokone;
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/**
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 * This class represents one slot in the TTK-91 computer's memory. It
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 * contains both the integer value stored in the memory as well as
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 * its symbolic code representation. As such, the class is not
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 * strictly to be used in a computer's memory, but can also bridge the
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 * gap between applications' binary and symbolic form.
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 */
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public class MemoryLine {
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    /**
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     * This field contains the symbolic form of the command. It is
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     * empty if there is no symbolic representation for the binary.
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     */
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    private String symbolic;
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    /**
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     * This field contains the binary form of the data stored in this
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     * line. It may be a valid command, or just a random number.
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     */
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    private int binary;
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    /**
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     * Creates a memory line with symbolic information.
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     *
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     * @param binary          Value of this memory slot.
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     * @param symbolicCommand String that contains the corresponding
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     *                        symbolic command, or an empty string ("") if there is no
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     *                        representation.
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     */
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    public MemoryLine(int binary, String symbolicCommand) {
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        this.binary = binary;
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        symbolic = symbolicCommand;
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        if (symbolic == null) {
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            symbolic = "";
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        }
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    }
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    /**
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     * Returns the symbolic representation of the command. If the command
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     * has no symbolic representation, an empty string is returned.
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     *
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     * @return Symbolic presentation of command. If symbolic
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     *         representation of the command is not defined, an empty string is
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     *         returned.
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     */
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    public String getSymbolic() {
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        return symbolic;
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    }
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    /**
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     * Returns the value of this memory slot.
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     *
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     * @return Integer value of this memory slot.
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     */
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    public int getBinary() {
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        return binary;
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    }
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}

Mutations

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Removed assignment to member variable binary : KILLED -> fi.helsinki.cs.titokone.BinaryTest.testToString(fi.helsinki.cs.titokone.BinaryTest)
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Removed assignment to member variable symbolic : KILLED -> fi.helsinki.cs.titokone.BinaryTest.testBinaryToApplication(fi.helsinki.cs.titokone.BinaryTest)
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negated conditional : KILLED -> fi.helsinki.cs.titokone.BinaryTest.testBinaryToApplication(fi.helsinki.cs.titokone.BinaryTest)
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Removed assignment to member variable symbolic : NO_COVERAGE
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mutated return of Object value for fi/helsinki/cs/titokone/MemoryLine::getSymbolic to ( if (x != null) null else throw new RuntimeException ) : KILLED -> fi.helsinki.cs.titokone.BinaryTest.testBinaryToApplication(fi.helsinki.cs.titokone.BinaryTest)
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replaced return of integer sized value with (x == 0 ? 1 : 0) : KILLED -> fi.helsinki.cs.titokone.BinaryTest.testToString(fi.helsinki.cs.titokone.BinaryTest)

Active mutators

Tests examined


Report generated by PIT 0.27