NumberAxis a1 = new NumberAxis("Test"); NumberAxis a2 = new NumberAxis("Test"); assertTrue(a1.equals(a2)); int h1 = a1.hashCode(); int h2 = a2.hashCode(); assertEquals(h1, h2);
Year y1 = new Year(1988); Year y2 = new Year(1988); assertTrue(y1.equals(y2)); int h1 = y1.hashCode(); int h2 = y2.hashCode(); assertEquals(h1, h2);
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/axis/junit/NumberAxisTests.java File path: /jfreechart-1.0.10/tests/org/jfree/data/time/junit/YearTests.java
Method name: void testHashCode() Method name: void testHashcode()
Number of AST nodes: 6 Number of AST nodes: 6
1
NumberAxis a1 = new NumberAxis("Test");
2
        NumberAxis a2 = new NumberAxis("Test"
1
Year y1 = new Year(1988);
3
);
2
        Year y2 = new Year(1988);
4
        assertTrue(a1.equals(a2));
3
        assertTrue(y1.equals(y2));
5
        int h1 = a1.hashCode();
4
        int h1 = y1.hashCode();
6
        int h2 = a2.hashCode();
5
        int h2 = y2.hashCode();
7
        assertEquals(h1, h2);
6
        assertEquals(h1, h2);
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)0.0
Clones locationClones are in different classes having the same super class
Number of node comparisons36
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                        
    1
    Year y1 = new Year(1988);
    Preondition Violations
    Unmatched statement Year y1=new Year(1988); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    Year y1 = new Year(1988);
    1
    NumberAxis a1 = new NumberAxis("Test");
    1
    NumberAxis a1 = new NumberAxis("Test");
    Preondition Violations
    Unmatched statement NumberAxis a1=new NumberAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                    
                                                        
    2
    Year y2 = new Year(1988);
    Preondition Violations
    Unmatched statement Year y2=new Year(1988); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2
    Year y2 = new Year(1988);
    2
    NumberAxis a2 = new NumberAxis("Test");
    2
    NumberAxis a2 = new NumberAxis("Test");
    Preondition Violations
    Unmatched statement NumberAxis a2=new NumberAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                    
    3
    assertTrue(a1.equals(a2));
    3
    assertTrue(a1.equals(a2));
    3
    assertTrue(y1.equals(y2));
    Differences
    Expression1Expression2Difference
    a2y2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.NumberAxisorg.jfree.data.time.YearVARIABLE_TYPE_MISMATCH
    a1y1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.NumberAxisorg.jfree.data.time.YearVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.NumberAxis of variable a2 does not match with type org.jfree.data.time.Year of variable y2
    • Make classes org.jfree.chart.axis.NumberAxis and org.jfree.data.time.Year extend a common superclass
    Type org.jfree.chart.axis.NumberAxis of variable a1 does not match with type org.jfree.data.time.Year of variable y1
    • Make classes org.jfree.chart.axis.NumberAxis and org.jfree.data.time.Year extend a common superclass
    3
    assertTrue(y1.equals(y2));
    4
    int h1 = a1.hashCode();
    4
    int h1 = a1.hashCode();
    4
    int h1 = y1.hashCode();
    Differences
    Expression1Expression2Difference
    a1y1VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.NumberAxisorg.jfree.data.time.YearVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.NumberAxis of variable a1 does not match with type org.jfree.data.time.Year of variable y1
    • Make classes org.jfree.chart.axis.NumberAxis and org.jfree.data.time.Year extend a common superclass
    4
    int h1 = y1.hashCode();
    5
    int h2 = a2.hashCode();
    5
    int h2 = a2.hashCode();
    5
    int h2 = y2.hashCode();
    Differences
    Expression1Expression2Difference
    a2y2VARIABLE_NAME_MISMATCH
    org.jfree.chart.axis.NumberAxisorg.jfree.data.time.YearVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.axis.NumberAxis of variable a2 does not match with type org.jfree.data.time.Year of variable y2
    • Make classes org.jfree.chart.axis.NumberAxis and org.jfree.data.time.Year extend a common superclass
    5
    int h2 = y2.hashCode();
    6
    assertEquals(h1, h2);
    6
    assertEquals(h1, h2);
    Precondition Violations (8)
    Row Violation
    1Unmatched statement Year y1=new Year(1988); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement NumberAxis a1=new NumberAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement Year y2=new Year(1988); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4Unmatched statement NumberAxis a2=new NumberAxis("Test"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    5Type org.jfree.chart.axis.NumberAxis of variable a2 does not match with type org.jfree.data.time.Year of variable y2
    6Type org.jfree.chart.axis.NumberAxis of variable a1 does not match with type org.jfree.data.time.Year of variable y1
    7Type org.jfree.chart.axis.NumberAxis of variable a1 does not match with type org.jfree.data.time.Year of variable y1
    8Type org.jfree.chart.axis.NumberAxis of variable a2 does not match with type org.jfree.data.time.Year of variable y2