org.evosuite.testcase.variable

Class VariableReferenceImpl

java.lang.Object

org.evosuite.testcase.variable.VariableReferenceImpl

All Implemented Interfaces:

Serializable, Comparable<VariableReference>, VariableReference

Direct Known Subclasses:

ArrayIndex, ArrayReference, ConstantValue, FieldReference, NullReference

public class VariableReferenceImpl
extends Object
implements VariableReference

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected PassiveChangeListener<Void>	changeListener
protected Integer	stPosition
protected TestCase	testCase The testCase in which this VariableReference is valid
protected GenericClass	type Type (class) of the variable

Constructor Summary

Constructors

Constructor and Description
VariableReferenceImpl(TestCase testCase, GenericClass type) Constructor
VariableReferenceImpl(TestCase testCase, Type type) Constructor for VariableReferenceImpl.

Method Summary

Modifier and Type	Method and Description
void	changeClassLoader(ClassLoader loader) changeClassLoader
VariableReference	clone() Create a copy of the current variable
VariableReference	clone(TestCase newTestCase) Create a copy of the current variable for new test
int	compareTo(VariableReference other)
VariableReference	copy(TestCase newTestCase, int offset) Create a copy of the current variable for new test
VariableReference	getAdditionalVariableReference() getAdditionalVariableReference
String	getClassName() Return class name
Class<?>	getComponentClass() Return raw class of this variable's component
String	getComponentName() getComponentName
Type	getComponentType() getComponentType
Object	getDefaultValue() getDefaultValue
String	getDefaultValueString() getDefaultValueString
int	getDistance() Distance metric used to select variables for mutation based on how close they are to the SUT
GenericClass	getGenericClass() getGenericClass
String	getName() Return name for source code representation
Object	getObject(Scope scope) Return the actual object represented by this variable for a given scope
String	getOriginalCode() getOriginalCode
String	getSimpleClassName() Return simple class name
int	getStPosition() The position of the statement, defining this VariableReference, in the testcase.
TestCase	getTestCase() getTestCase
Type	getType() Return type of this variable
Class<?>	getVariableClass() Return raw class of this variable
boolean	isAccessible() Return true if we can validly access this variable.
boolean	isArray() Return true if variable is an array
boolean	isArrayIndex() Return true if this is an index into an array variable
boolean	isAssignableFrom(Type other) Return true if other type can be assigned to this variable
boolean	isAssignableFrom(VariableReference other) Return true if other type can be assigned to this variable
boolean	isAssignableTo(Type other) Return true if this variable can by assigned to a variable of other type
boolean	isAssignableTo(VariableReference other) Return true if this variable can by assigned to a variable of other type
boolean	isEnum() Return true if variable is an enumeration
boolean	isFieldReference() Return true if this is a reference to a public field
boolean	isPrimitive() Return true if variable is a primitive type
boolean	isString() Return true if variable is a string
boolean	isVoid() Return true if variable is void
boolean	isWrapperType() Return true if type of variable is a primitive wrapper
void	loadBytecode(org.objectweb.asm.commons.GeneratorAdapter mg, Map<Integer,Integer> locals) loadBytecode
void	replaceAdditionalVariableReference(VariableReference var1, VariableReference var2) replaceAdditionalVariableReference
boolean	same(VariableReference r) same
void	setAdditionalVariableReference(VariableReference var) setAdditionalVariableReference
void	setDistance(int distance) Set the distance metric
void	setObject(Scope scope, Object value) Set the actual object represented by this variable in a given scope
void	setOriginalCode(String code) Set the code fragment that defined this variable reference if imported from an existing test case.
void	setType(Type type) Set type of this variable
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 java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

type

protected GenericClass type

Type (class) of the variable

testCase

protected TestCase testCase

The testCase in which this VariableReference is valid

changeListener

protected final PassiveChangeListener<Void> changeListener

stPosition

protected Integer stPosition

Constructor Detail

VariableReferenceImpl

public VariableReferenceImpl(TestCase testCase,
                             GenericClass type)

Constructor

Parameters:

testCase - The TestCase which defines the statement which defines this

type - The type (class) of the variable

VariableReferenceImpl

public VariableReferenceImpl(TestCase testCase,
                             Type type)

Constructor for VariableReferenceImpl.

Parameters:

testCase - a TestCase object.

type - a Type object.

Method Detail

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

Returns:

a int.

getTestCase

public TestCase getTestCase()

Description copied from interface: VariableReference

getTestCase

Specified by:

getTestCase in interface VariableReference

Returns:

a TestCase object.

clone

public VariableReference clone()

Create a copy of the current variable Create a copy of the current variable

Specified by:

clone in interface VariableReference

Overrides:

clone in class Object

Returns:

a VariableReference object.

clone

public VariableReference clone(TestCase newTestCase)

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

Specified by:

clone in interface VariableReference

Parameters:

newTestCase - a TestCase object.

Returns:

a VariableReference object.

copy

public VariableReference copy(TestCase newTestCase,
                              int offset)

Create a copy of the current variable for new test

Specified by:

copy in interface VariableReference

Parameters:

newTestCase - a TestCase object.

offset - a int.

Returns:

a VariableReference object.

getSimpleClassName

public String getSimpleClassName()

Return simple class name Return simple class name

Specified by:

getSimpleClassName in interface VariableReference

Returns:

a String object.

getClassName

public String getClassName()

Return class name Return class name

Specified by:

getClassName in interface VariableReference

Returns:

a String object.

getComponentName

public String getComponentName()

getComponentName

Specified by:

getComponentName in interface VariableReference

Returns:

a String object.

getComponentType

public Type getComponentType()

getComponentType

Specified by:

getComponentType in interface VariableReference

Returns:

a Type object.

isEnum

public boolean isEnum()

Return true if variable is an enumeration Return true if variable is an enumeration

Specified by:

isEnum in interface VariableReference

Returns:

a boolean.

isArray

public boolean isArray()

Description copied from interface: VariableReference

Return true if variable is an array

Specified by:

isArray in interface VariableReference

Returns:

a boolean.

isArrayIndex

public boolean isArrayIndex()

Description copied from interface: VariableReference

Return true if this is an index into an array variable

Specified by:

isArrayIndex in interface VariableReference

Returns:

a boolean

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

Returns:

a boolean

isPrimitive

public boolean isPrimitive()

Return true if variable is a primitive type Return true if variable is a primitive type

Specified by:

isPrimitive in interface VariableReference

Returns:

a boolean.

isVoid

public boolean isVoid()

Return true if variable is void Return true if variable is void

Specified by:

isVoid in interface VariableReference

Returns:

a boolean.

isString

public boolean isString()

Return true if variable is a string Return true if variable is a string

Specified by:

isString in interface VariableReference

Returns:

a boolean.

isWrapperType

public boolean isWrapperType()

Return true if type of variable is a primitive wrapper Return true if type of variable is a primitive wrapper

Specified by:

isWrapperType in interface VariableReference

Returns:

a boolean.

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

Returns:

isAssignableFrom

public boolean isAssignableFrom(Type other)

Return true if other type can be assigned to this variable Return true if other type can be assigned to this variable

Specified by:

isAssignableFrom in interface VariableReference

Parameters:

other - Right hand side of the assignment

Returns:

a boolean.

isAssignableTo

public boolean isAssignableTo(Type other)

Return true if this variable can by assigned to a variable of other type Return true if this variable can by assigned to a variable of other type

Specified by:

isAssignableTo in interface VariableReference

Parameters:

other - Left hand side of the assignment

Returns:

a boolean.

isAssignableFrom

public boolean isAssignableFrom(VariableReference other)

Return true if other type can be assigned to this variable Return true if other type can be assigned to this variable

Specified by:

isAssignableFrom in interface VariableReference

Parameters:

other - Right hand side of the assignment

Returns:

a boolean.

isAssignableTo

public boolean isAssignableTo(VariableReference other)

Return true if this variable can by assigned to a variable of other type Return true if this variable can by assigned to a variable of other type

Specified by:

isAssignableTo in interface VariableReference

Parameters:

other - Left hand side of the assignment

Returns:

a boolean.

getType

public Type getType()

Return type of this variable Return type of this variable

Specified by:

getType in interface VariableReference

Returns:

a Type object.

setType

public void setType(Type type)

Set type of this variable Set type of this variable

Specified by:

setType in interface VariableReference

Parameters:

type - a Type object.

getVariableClass

public Class<?> getVariableClass()

Return raw class of this variable Return raw class of this variable

Specified by:

getVariableClass in interface VariableReference

Returns:

a Class object.

getComponentClass

public Class<?> getComponentClass()

Return raw class of this variable's component Return raw class of this variable's component

Specified by:

getComponentClass in interface VariableReference

Returns:

a Class 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

Specified by:

getObject in interface VariableReference

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)

getOriginalCode

public String getOriginalCode()

getOriginalCode

Specified by:

getOriginalCode in interface VariableReference

Returns:

the code this variable reference stems from or null if it was generated.

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

Specified by:

setObject in interface VariableReference

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)

setOriginalCode

public void setOriginalCode(String code)

Set the code fragment that defined this variable reference if imported from an existing test case.

Specified by:

setOriginalCode in interface VariableReference

Parameters:

code - The code fragment that defined this variable reference.

toString

public String toString()

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

Specified by:

toString in interface VariableReference

Overrides:

toString in class Object

getName

public String getName()

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

Specified by:

getName in interface VariableReference

Returns:

a String object.

loadBytecode

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

loadBytecode

Specified by:

loadBytecode in interface VariableReference

Parameters:

mg - a GeneratorAdapter object.

locals - a Map object.

storeBytecode

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

storeBytecode

Specified by:

storeBytecode in interface VariableReference

Parameters:

mg - a GeneratorAdapter object.

locals - a Map object.

getDefaultValue

public Object getDefaultValue()

getDefaultValue

Specified by:

getDefaultValue in interface VariableReference

Returns:

a Object object.

getDefaultValueString

public String getDefaultValueString()

getDefaultValueString

Specified by:

getDefaultValueString in interface VariableReference

Returns:

a String object.

compareTo

public int compareTo(VariableReference other)

Specified by:

compareTo in interface Comparable<VariableReference>

Specified by:

compareTo in interface VariableReference

same

public boolean same(VariableReference r)

same

Specified by:

same in interface VariableReference

Parameters:

r - a VariableReference object.

Returns:

a boolean.

getGenericClass

public GenericClass getGenericClass()

getGenericClass

Specified by:

getGenericClass in interface VariableReference

Returns:

a GenericClass object.

getAdditionalVariableReference

public VariableReference getAdditionalVariableReference()

getAdditionalVariableReference

Specified by:

getAdditionalVariableReference in interface VariableReference

Returns:

a VariableReference object.

setAdditionalVariableReference

public void setAdditionalVariableReference(VariableReference var)

setAdditionalVariableReference

Specified by:

setAdditionalVariableReference in interface VariableReference

Parameters:

var - a VariableReference object.

replaceAdditionalVariableReference

public void replaceAdditionalVariableReference(VariableReference var1,
                                               VariableReference var2)

replaceAdditionalVariableReference

Specified by:

replaceAdditionalVariableReference in interface VariableReference

Parameters:

var1 - a VariableReference object.

var2 - a VariableReference object.

getDistance

public int getDistance()

Distance metric used to select variables for mutation based on how close they are to the SUT

Specified by:

getDistance in interface VariableReference

Returns:

a int.

setDistance

public void setDistance(int distance)

Set the distance metric

Specified by:

setDistance in interface VariableReference

Parameters:

distance - a int.

changeClassLoader

public void changeClassLoader(ClassLoader loader)

changeClassLoader

Specified by:

changeClassLoader in interface VariableReference

Parameters:

loader - a ClassLoader object.