org.evosuite.testcase.variable

Class FieldReference

java.lang.Object

org.evosuite.testcase.variable.VariableReferenceImpl

org.evosuite.testcase.variable.FieldReference

All Implemented Interfaces:

Serializable, Comparable<VariableReference>, VariableReference

public class FieldReference
extends VariableReferenceImpl

FieldReference class.

Author:

Gordon Fraser

See Also:

Serialized Form

Field Summary

Fields inherited from class org.evosuite.testcase.variable.VariableReferenceImpl

changeListener, stPosition, testCase, type

Constructor Summary

Constructors

Constructor and Description
FieldReference(TestCase testCase, GenericField field) Constructor for FieldReference.
FieldReference(TestCase testCase, GenericField field, Type type) We need this constructor to work around a bug in Java Generics which causes a java.lang.reflect.GenericSignatureFormatError when accessing getType
FieldReference(TestCase testCase, GenericField field, Type fieldType, VariableReference source) We need this constructor to work around a bug in Java Generics which causes a java.lang.reflect.GenericSignatureFormatError when accessing getType
FieldReference(TestCase testCase, GenericField field, VariableReference source) Constructor for FieldReference.

Method Summary

Modifier and Type	Method and Description
void	changeClassLoader(ClassLoader loader) changeClassLoader
VariableReference	copy(TestCase newTestCase, int offset) Create a copy of the current variable for new test
boolean	equals(Object obj)
VariableReference	getAdditionalVariableReference() getAdditionalVariableReference
int	getDepth() Determine the nesting level of the field access (I.e., how many dots in the expression)
GenericField	getField() Access the field
String	getName() Return name for source code representation
Object	getObject(Scope scope) Return the actual object represented by this variable for a given scope
VariableReference	getSource() Access the source object
int	getStPosition() The position of the statement, defining this VariableReference, in the testcase.
int	hashCode()
boolean	isAccessible() Return true if we can validly access this variable.
boolean	isFieldReference() Return true if this is a reference to a public field
void	loadBytecode(org.objectweb.asm.commons.GeneratorAdapter mg, Map<Integer,Integer> locals) loadBytecode
void	replaceAdditionalVariableReference(VariableReference var1, VariableReference var2) replaceAdditionalVariableReference
void	setAdditionalVariableReference(VariableReference var) setAdditionalVariableReference
void	setObject(Scope scope, Object value) Set the actual object represented by this variable in a given scope
void	storeBytecode(org.objectweb.asm.commons.GeneratorAdapter mg, Map<Integer,Integer> locals) storeBytecode
String	toString() Return string representation of the variable

Methods inherited from class org.evosuite.testcase.variable.VariableReferenceImpl

clone, clone, compareTo, getClassName, getComponentClass, getComponentName, getComponentType, getDefaultValue, getDefaultValueString, getDistance, getGenericClass, getOriginalCode, getSimpleClassName, getTestCase, getType, getVariableClass, isArray, isArrayIndex, isAssignableFrom, isAssignableFrom, isAssignableTo, isAssignableTo, isEnum, isPrimitive, isString, isVoid, isWrapperType, same, setDistance, setOriginalCode, setType

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FieldReference

public FieldReference(TestCase testCase,
                      GenericField field,
                      VariableReference source)

Constructor for FieldReference.

Parameters:

testCase - a TestCase object.

field - a Field object.

source - a VariableReference object.

FieldReference

public FieldReference(TestCase testCase,
                      GenericField field,
                      Type fieldType,
                      VariableReference source)

We need this constructor to work around a bug in Java Generics which causes a java.lang.reflect.GenericSignatureFormatError when accessing getType

Parameters:

testCase - a TestCase object.

field - a Field object.

fieldType - a Type object.

source - a VariableReference object.

FieldReference

public FieldReference(TestCase testCase,
                      GenericField field)

Constructor for FieldReference.

Parameters:

testCase - a TestCase object.

field - a Field object.

FieldReference

public FieldReference(TestCase testCase,
                      GenericField field,
                      Type type)

We need this constructor to work around a bug in Java Generics which causes a java.lang.reflect.GenericSignatureFormatError when accessing getType

Parameters:

testCase - a TestCase object.

type - a Type object.

field - a Field object.

Method Detail

getField

public GenericField getField()

Access the field

Returns:

a Field object.

getSource

public VariableReference getSource()

Access the source object

Returns:

a VariableReference object.

getObject

public Object getObject(Scope scope)
                 throws CodeUnderTestException

Return the actual object represented by this variable for a given scope Return the actual object represented by this variable for a given scope Return the actual object represented by this variable for a given scope

Specified by:

getObject in interface VariableReference

Overrides:

getObject in class VariableReferenceImpl

Parameters:

scope - The scope of the test case execution

Returns:

a Object object.

Throws:

CodeUnderTestException - if code from the class under test throws an exception. (E.g. the static init of a field)

setObject

public void setObject(Scope scope,
                      Object value)
               throws CodeUnderTestException

Set the actual object represented by this variable in a given scope Set the actual object represented by this variable in a given scope Set the actual object represented by this variable in a given scope

Specified by:

setObject in interface VariableReference

Overrides:

setObject in class VariableReferenceImpl

Parameters:

scope - The scope of the test case execution

value - The value to be assigned

Throws:

CodeUnderTestException - if code from the class under test throws an exception. (E.g. the static init of a field)

getAdditionalVariableReference

public VariableReference getAdditionalVariableReference()

getAdditionalVariableReference

Specified by:

getAdditionalVariableReference in interface VariableReference

Overrides:

getAdditionalVariableReference in class VariableReferenceImpl

Returns:

a VariableReference object.

setAdditionalVariableReference

public void setAdditionalVariableReference(VariableReference var)

setAdditionalVariableReference

Specified by:

setAdditionalVariableReference in interface VariableReference

Overrides:

setAdditionalVariableReference in class VariableReferenceImpl

Parameters:

var - a VariableReference object.

replaceAdditionalVariableReference

public void replaceAdditionalVariableReference(VariableReference var1,
                                               VariableReference var2)

replaceAdditionalVariableReference

Specified by:

replaceAdditionalVariableReference in interface VariableReference

Overrides:

replaceAdditionalVariableReference in class VariableReferenceImpl

Parameters:

var1 - a VariableReference object.

var2 - a VariableReference object.

getStPosition

public int getStPosition()

The position of the statement, defining this VariableReference, in the testcase. The position of the statement, defining this VariableReference, in the testcase. TODO: Notify change listener also when return value changes

Specified by:

getStPosition in interface VariableReference

Overrides:

getStPosition in class VariableReferenceImpl

Returns:

a int.

getName

public String getName()

Return name for source code representation Return name for source code representation Return name for source code representation

Specified by:

getName in interface VariableReference

Overrides:

getName in class VariableReferenceImpl

Returns:

a String object.

toString

public String toString()

Description copied from class: VariableReferenceImpl

Return string representation of the variable Return string representation of the variable

Specified by:

toString in interface VariableReference

Overrides:

toString in class VariableReferenceImpl

copy

public VariableReference copy(TestCase newTestCase,
                              int offset)

Create a copy of the current variable for new test Create a copy of the current variable

Specified by:

copy in interface VariableReference

Overrides:

copy in class VariableReferenceImpl

Parameters:

newTestCase - a TestCase object.

offset - a int.

Returns:

a VariableReference object.

getDepth

public int getDepth()

Determine the nesting level of the field access (I.e., how many dots in the expression)

Returns:

a int.

isAccessible

public boolean isAccessible()

Description copied from interface: VariableReference

Return true if we can validly access this variable. This might not be the case for a field reference if the owner class is not accessible

Specified by:

isAccessible in interface VariableReference

Overrides:

isAccessible in class VariableReferenceImpl

Returns:

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

isFieldReference

public boolean isFieldReference()

Description copied from interface: VariableReference

Return true if this is a reference to a public field

Specified by:

isFieldReference in interface VariableReference

Overrides:

isFieldReference in class VariableReferenceImpl

Returns:

a boolean

loadBytecode

public void loadBytecode(org.objectweb.asm.commons.GeneratorAdapter mg,
                         Map<Integer,Integer> locals)

Description copied from class: VariableReferenceImpl

loadBytecode

Specified by:

loadBytecode in interface VariableReference

Overrides:

loadBytecode in class VariableReferenceImpl

Parameters:

mg - a GeneratorAdapter object.

locals - a Map object.

storeBytecode

public void storeBytecode(org.objectweb.asm.commons.GeneratorAdapter mg,
                          Map<Integer,Integer> locals)

Description copied from class: VariableReferenceImpl

storeBytecode

Specified by:

storeBytecode in interface VariableReference

Overrides:

storeBytecode in class VariableReferenceImpl

Parameters:

mg - a GeneratorAdapter object.

locals - a Map object.

changeClassLoader

public void changeClassLoader(ClassLoader loader)

changeClassLoader

Specified by:

changeClassLoader in interface VariableReference

Overrides:

changeClassLoader in class VariableReferenceImpl

Parameters:

loader - a ClassLoader object.