LevelRenderer r1 = new LevelRenderer(); r1.setItemMargin(0.123); r1.setMaximumItemWidth(0.234); LevelRenderer r2 = null; try { r2 = (LevelRenderer) r1.clone(); } catch (CloneNotSupportedException e) { System.err.println("Failed to clone."); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); assertTrue(checkIndependence(r1, r2));
StandardXYSeriesLabelGenerator generator = new StandardXYSeriesLabelGenerator("Series {0}"); XYBarRenderer r1 = new XYBarRenderer(); r1.setLegendItemLabelGenerator(generator); XYBarRenderer r2 = null; try { r2 = (XYBarRenderer) r1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); // check that the generator has been cloned assertTrue(r1.getLegendItemLabelGenerator() != r2.getLegendItemLabelGenerator());
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/LevelRendererTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/xy/junit/AbstractXYItemRendererTests.java
Method name: void testCloning() Method name: void testCloning_LegendItemLabelGenerator()
Number of AST nodes: 10 Number of AST nodes: 10
1
LevelRenderer r1 = new Lev
1
StandardXYSeriesLabelGenerator generator 
2
elRenderer();
2
                = new StandardXYSeriesLabelGener
3
        r1.setItemMargin(0.123);
4
        r1.setMaximumItemWidth(0.234
3
ator("Series {0}");
4
        XYBarRenderer r1 = new XYBarRenderer();
5
);
5
        r1.setLegendItemLabelGenerator(generator);
6
        LevelRenderer r2 = null;
6
        XYBarRenderer r2 = null;
7
        try {
7
        try {
8
            r2 = (LevelRenderer) r1.clone();
8
            r2 = (XYBarRenderer) r1.clone();
9
        }
9
        }
10
        catch (CloneNotSupportedException e) {
10
        catch (CloneNotSupportedException e) {
11
            System.err.println("Failed to clone.");
11
            e.printStackTrace();
12
        }
12
        }
13
        assertTrue(r1 != r2);
13
        assertTrue(r1 != r2);
14
        assertTrue(r1.getClass() == r2.getClass());
14
        assertTrue(r1.getClass() == r2.getClass());
15
        assertTrue(r1.equals(r2));
15
        assertTrue(r1.equals(r2));
16
        assertTrue(checkIndependence(r1, r2
16
        
17
        // check that the generator has been cloned
18
        assertTrue(r1.getLegendItemLabelGenerator() 
17
));
19
                != r2.getLegendItemLabelGenerator());
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.3
Clones locationClones are in different classes having the same super class
Number of node comparisons47
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements8
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)160.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    LevelRenderer r1 = new LevelRenderer();
    1
    LevelRenderer r1 = new LevelRenderer();
    2
    XYBarRenderer r1 = new XYBarRenderer();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression new LevelRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new XYBarRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    XYBarRenderer r1 = new XYBarRenderer();
    2
    r1.setItemMargin(0.123);
    2
    r1.setItemMargin(0.123);
    Preondition Violations
    Unmatched statement r1.setItemMargin(0.123); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                          
    3
    r1.setMaximumItemWidth(0.234);
    3
    r1.setMaximumItemWidth(0.234);
    Preondition Violations
    Unmatched statement r1.setMaximumItemWidth(0.234); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                      
    4
    LevelRenderer r2 = null;
    4
    LevelRenderer r2 = null;
    1
    StandardXYSeriesLabelGenerator generator = new StandardXYSeriesLabelGenerator("Series {0}");
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.labels.StandardXYSeriesLabelGeneratorSUBCLASS_TYPE_MISMATCH
    r2generatorVARIABLE_NAME_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.labels.StandardXYSeriesLabelGeneratorSUBCLASS_TYPE_MISMATCH
    nullnew StandardXYSeriesLabelGenerator("Series {0}")TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new StandardXYSeriesLabelGenerator("Series {0}") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    StandardXYSeriesLabelGenerator generator = new StandardXYSeriesLabelGenerator("Series {0}");
                                                                                              
    3
    r1.setLegendItemLabelGenerator(generator);
    Preondition Violations
    Unmatched statement r1.setLegendItemLabelGenerator(generator); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3
    r1.setLegendItemLabelGenerator(generator);
                                                      
    4
    XYBarRenderer r2 = null;
    5
    try
    5
    try
    5
    try
    Differences
    Expression1Expression2Difference
    printlnprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    System.erreAST_TYPE_MISMATCH
    System.err.println("Failed to clone.")e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    5
    try
    6
    r2 = (LevelRenderer)r1.clone();
    6
    r2 = (LevelRenderer)r1.clone();
    6
    r2 = (XYBarRenderer)r1.clone();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (LevelRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (XYBarRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    r2 = (XYBarRenderer)r1.clone();
    7
    assertTrue(r1 != r2);
    7
    assertTrue(r1 != r2);
    7
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    7
    assertTrue(r1 != r2);
    8
    assertTrue(r1.getClass() == r2.getClass());
    8
    assertTrue(r1.getClass() == r2.getClass());
    8
    assertTrue(r1.getClass() == r2.getClass());
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    8
    assertTrue(r1.getClass() == r2.getClass());
    9
    assertTrue(r1.equals(r2));
    9
    assertTrue(r1.equals(r2));
    9
    assertTrue(r1.equals(r2));
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.LevelRendererorg.jfree.chart.renderer.xy.XYBarRendererSUBCLASS_TYPE_MISMATCH
    9
    assertTrue(r1.equals(r2));
    10
    assertTrue(checkIndependence(r1, r2));
    10
    assertTrue(checkIndependence(r1, r2));
    10
    assertTrue(r1.getLegendItemLabelGenerator() != r2.getLegendItemLabelGenerator());
    Differences
    Expression1Expression2Difference
    checkIndependence(r1,r2)r1.getLegendItemLabelGenerator() != r2.getLegendItemLabelGenerator()TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression checkIndependence(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method checkIndependence
    Expression r1.getLegendItemLabelGenerator() != r2.getLegendItemLabelGenerator() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    assertTrue(r1.getLegendItemLabelGenerator() != r2.getLegendItemLabelGenerator());
    Precondition Violations (18)
    Row Violation
    1Expression new LevelRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new XYBarRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Unmatched statement r1.setItemMargin(0.123); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4Unmatched statement r1.setMaximumItemWidth(0.234); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Expression new StandardXYSeriesLabelGenerator("Series {0}") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Unmatched statement r1.setLegendItemLabelGenerator(generator); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    7Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    9Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    10Expression e cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    13Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    14Expression (LevelRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression (XYBarRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression checkIndependence(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression r1.getLegendItemLabelGenerator() != r2.getLegendItemLabelGenerator() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Clone fragment #1 returns variables , while Clone fragment #2 returns variables generator, r1