StandardCategorySeriesLabelGenerator generator = new StandardCategorySeriesLabelGenerator("Series {0}"); BarRenderer r1 = new BarRenderer(); r1.setLegendItemURLGenerator(generator); BarRenderer r2 = null; try { r2 = (BarRenderer) 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.getLegendItemURLGenerator() != r2.getLegendItemURLGenerator());
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));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/AbstractCategoryItemRendererTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/category/junit/LevelRendererTests.java
Method name: void testCloning_LegendItemURLGenerator() Method name: void testCloning()
Number of AST nodes: 10 Number of AST nodes: 10
1
StandardCategorySeriesLabelGenerator generator 
1
LevelRender
2
                = new StandardCategorySeriesLabelGenerator("Series {0}");
2
er r1 = new LevelRender
3
        BarRenderer r1 = new BarRenderer();
4
        r1.setLegendItemURLGenerator(generator
3
er();
4
        r1.setItemMargin(0.123);
5
);
5
        r1.setMaximumItemWidth(0.234);
6
        BarRenderer r2 = null;
6
        LevelRenderer r2 = null;
7
        try {
7
        try {
8
            r2 = (BarRenderer) r1.clone();
8
            r2 = (LevelRenderer) r1.clone();
9
        }
9
        }
10
        catch (CloneNotSupportedException e) {
10
        catch (CloneNotSupportedException e) {
11
            e.printStackTrace();
11
            System.err.println("Failed to clone.");
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
        
17
        // check that the generator has been cloned
18
        assertTrue(r1.getLegendItemURLGenerator() 
19
                != r2.getLegendItemURLGenerator(
20
));
16
        assertTrue(checkIndependence(r1, r2));
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)137.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    StandardCategorySeriesLabelGenerator generator = new StandardCategorySeriesLabelGenerator("Series {0}");
    1
    StandardCategorySeriesLabelGenerator generator = new StandardCategorySeriesLabelGenerator("Series {0}");
    4
    LevelRenderer r2 = null;
    Differences
    Expression1Expression2Difference
    org.jfree.chart.labels.StandardCategorySeriesLabelGeneratororg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    generatorr2VARIABLE_NAME_MISMATCH
    org.jfree.chart.labels.StandardCategorySeriesLabelGeneratororg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    new StandardCategorySeriesLabelGenerator("Series {0}")nullTYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression new StandardCategorySeriesLabelGenerator("Series {0}") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4
    LevelRenderer r2 = null;
    2
    BarRenderer r1 = new BarRenderer();
    2
    BarRenderer r1 = new BarRenderer();
    1
    LevelRenderer r1 = new LevelRenderer();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression new BarRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression new LevelRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    1
    LevelRenderer r1 = new LevelRenderer();
                                                          
    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
    2
    r1.setItemMargin(0.123);
                                                                      
    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
    3
    r1.setMaximumItemWidth(0.234);
    3
    r1.setLegendItemURLGenerator(generator);
    3
    r1.setLegendItemURLGenerator(generator);
    Preondition Violations
    Unmatched statement r1.setLegendItemURLGenerator(generator); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                          
    4
    BarRenderer r2 = null;
                                                  
    5
    try
    5
    try
    5
    try
    Differences
    Expression1Expression2Difference
    printStackTraceprintlnMETHOD_INVOCATION_NAME_MISMATCH
    eSystem.errAST_TYPE_MISMATCH
    e.printStackTrace()System.err.println("Failed to clone.")ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.err.println("Failed to clone.") 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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    5
    try
    6
    r2 = (BarRenderer)r1.clone();
    6
    r2 = (BarRenderer)r1.clone();
    6
    r2 = (LevelRenderer)r1.clone();
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (BarRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (LevelRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    r2 = (LevelRenderer)r1.clone();
    7
    assertTrue(r1 != r2);
    7
    assertTrue(r1 != r2);
    7
    assertTrue(r1 != r2);
    Differences
    Expression1Expression2Difference
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_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.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_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.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    org.jfree.chart.renderer.category.BarRendererorg.jfree.chart.renderer.category.LevelRendererSUBCLASS_TYPE_MISMATCH
    9
    assertTrue(r1.equals(r2));
    10
    assertTrue(r1.getLegendItemURLGenerator() != r2.getLegendItemURLGenerator());
    10
    assertTrue(r1.getLegendItemURLGenerator() != r2.getLegendItemURLGenerator());
    10
    assertTrue(checkIndependence(r1, r2));
    Differences
    Expression1Expression2Difference
    r1.getLegendItemURLGenerator() != r2.getLegendItemURLGenerator()checkIndependence(r1,r2)TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression r1.getLegendItemURLGenerator() != r2.getLegendItemURLGenerator() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression checkIndependence(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method checkIndependence
    10
    assertTrue(checkIndependence(r1, r2));
    Precondition Violations (18)
    Row Violation
    1Expression new StandardCategorySeriesLabelGenerator("Series {0}") cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression new BarRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression new LevelRenderer() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Unmatched 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
    5Unmatched 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
    6Unmatched statement r1.setLegendItemURLGenerator(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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    9Expression System.err.println("Failed to clone.") 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 e.printStackTrace() is a void method call, and thus it cannot be parameterized
    13Expression System.err.println("Failed to clone.") is a void method call, and thus it cannot be parameterized
    14Expression (BarRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression (LevelRenderer)r1.clone() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression r1.getLegendItemURLGenerator() != r2.getLegendItemURLGenerator() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    17Expression checkIndependence(r1,r2) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    18Clone fragment #1 returns variables generator, r1 , while Clone fragment #2 returns variables r1