EmptyBlock b1 = new EmptyBlock(1.0, 2.0); EmptyBlock b2 = null; try { b2 = (EmptyBlock) b1.clone(); } catch (CloneNotSupportedException e) { fail(e.toString()); } assertTrue(b1 != b2); assertTrue(b1.getClass() == b2.getClass()); assertTrue(b1.equals(b2));
LogFormat f1 = new LogFormat(10.0, "10", true); LogFormat f2 = null; try { f2 = (LogFormat) f1.clone(); } catch (Exception e) { e.printStackTrace(); } assertTrue(f1 != f2); assertTrue(f1.getClass() == f2.getClass()); assertTrue(f1.equals(f2));
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/EmptyBlockTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/util/junit/LogFormatTests.java
Method name: void testCloning() Method name: void testCloning()
Number of AST nodes: 7 Number of AST nodes: 7
1
EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
1
LogFormat f1 = new LogFormat(10.0, "10", true);
2
        EmptyBlock b2 = null;
2
        
3
        
3
LogFormat f2 = null;
4
        try {
4
        try {
5
            b2 = (EmptyBlock) b1.clone();
5
            f2 = (LogFormat) f1.clone();
6
        }
6
        }
7
        catch (CloneNotSupportedException e) {
7
        catch (Exception e) {
8
            fail(e.toString());
8
            e.printStackTrace();
9
        }
9
        }
10
        assertTrue(b1 != b2);
10
        assertTrue(f1 != f2);
11
        assertTrue(b1.getClass() == b2.getClass());
11
        assertTrue(f1.getClass() == f2.getClass());
12
        assertTrue(b1.equals(b2));
12
        assertTrue(f1.equals(f2));
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)0.2
Clones locationClones are in different classes having the same super class
Number of node comparisons29
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)6.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
                                                                                                
    1
    LogFormat f1 = new LogFormat(10.0, "10", true);
    Preondition Violations
    Unmatched statement LogFormat f1=new LogFormat(10.0,"10",true); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    1
    LogFormat f1 = new LogFormat(10.0, "10", true);
    1
    EmptyBlock b1 = new EmptyBlock(1.0, 2.0);
                                                                                      
                                              
    2
    LogFormat f2 = null;
    2
    EmptyBlock b2 = null;
                                                
    3
    try
    3
    try
    3
    try
    Differences
    Expression1Expression2Difference
    java.lang.CloneNotSupportedExceptionjava.lang.ExceptionSUBCLASS_TYPE_MISMATCH
    java.lang.CloneNotSupportedExceptionjava.lang.ExceptionSUBCLASS_TYPE_MISMATCH
    failprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    fail(e.toString())e.printStackTrace()TYPE_COMPATIBLE_REPLACEMENT
    fail(e.toString())e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    eMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression fail(e.toString()) 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 fail(e.toString()) 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 fail(e.toString()) 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 fail(e.toString()) 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
    3
    try
                                                            
    4
    f2 = (LogFormat)f1.clone();
    Preondition Violations
    Unmatched statement f2=(LogFormat)f1.clone(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    4
    f2 = (LogFormat)f1.clone();
    4
    b2 = (EmptyBlock)b1.clone();
    4
    b2 = (EmptyBlock)b1.clone();
    Preondition Violations
    Unmatched statement b2=(EmptyBlock)b1.clone(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                              
    5
    assertTrue(b1 != b2);
    5
    assertTrue(b1 != b2);
    5
    assertTrue(f1 != f2);
    Differences
    Expression1Expression2Difference
    b1f1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.util.LogFormatVARIABLE_TYPE_MISMATCH
    b2f2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.util.LogFormatVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.chart.util.LogFormat of variable f1
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.chart.util.LogFormat extend a common superclass
    Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.chart.util.LogFormat of variable f2
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.chart.util.LogFormat extend a common superclass
    5
    assertTrue(f1 != f2);
    6
    assertTrue(b1.getClass() == b2.getClass());
    6
    assertTrue(b1.getClass() == b2.getClass());
    6
    assertTrue(f1.getClass() == f2.getClass());
    Differences
    Expression1Expression2Difference
    b1f1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.util.LogFormatVARIABLE_TYPE_MISMATCH
    b2f2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.util.LogFormatVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.chart.util.LogFormat of variable f1
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.chart.util.LogFormat extend a common superclass
    Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.chart.util.LogFormat of variable f2
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.chart.util.LogFormat extend a common superclass
    6
    assertTrue(f1.getClass() == f2.getClass());
    7
    assertTrue(b1.equals(b2));
    7
    assertTrue(b1.equals(b2));
    7
    assertTrue(f1.equals(f2));
    Differences
    Expression1Expression2Difference
    b2f2VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.util.LogFormatVARIABLE_TYPE_MISMATCH
    b1f1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.EmptyBlockorg.jfree.chart.util.LogFormatVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.chart.util.LogFormat of variable f2
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.chart.util.LogFormat extend a common superclass
    Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.chart.util.LogFormat of variable f1
    • Make classes org.jfree.chart.block.EmptyBlock and org.jfree.chart.util.LogFormat extend a common superclass
    7
    assertTrue(f1.equals(f2));
    Precondition Violations (17)
    Row Violation
    1Unmatched statement LogFormat f1=new LogFormat(10.0,"10",true); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    5Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    6Expression fail(e.toString()) cannot be parameterized, 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 fail(e.toString()) 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
    10Unmatched statement f2=(LogFormat)f1.clone(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    11Unmatched statement b2=(EmptyBlock)b1.clone(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    12Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.chart.util.LogFormat of variable f1
    13Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.chart.util.LogFormat of variable f2
    14Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.chart.util.LogFormat of variable f1
    15Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.chart.util.LogFormat of variable f2
    16Type org.jfree.chart.block.EmptyBlock of variable b2 does not match with type org.jfree.chart.util.LogFormat of variable f2
    17Type org.jfree.chart.block.EmptyBlock of variable b1 does not match with type org.jfree.chart.util.LogFormat of variable f1