//"x in y" should return true whenever "for (var z in y) if (z === x) return true" returns true
public static bool JScriptIn(Object v1, Object v2){
bool result = false;
if (v2 is ScriptObject)
return !(((ScriptObject)v2).GetMemberValue(Convert.ToString(v1)) is Missing);
else if (v2 is Array){
Array arr = (Array)v2;
double d = Convert.ToNumber(v1);
int i = (int)d;
return d == i && arr.GetLowerBound(0) <= i && i <= arr.GetUpperBound(0);
}else if (v2 is IEnumerable){
if (v1 == null) return false;
//Do not enumerate when a direct lookup is available
if (v2 is IDictionary)
return ((IDictionary)v2).Contains(v1);
if (v2 is IExpando){
MemberInfo[] members = ((IReflect)v2).GetMember(Convert.ToString(v1), BindingFlags.Instance|BindingFlags.DeclaredOnly|BindingFlags.Public);
return members.Length > 0;
}
IEnumerator enu = ((IEnumerable)v2).GetEnumerator();
while (!result && enu.MoveNext())
if (v1.Equals(enu.Current)) return true;
}else if (v2 is IEnumerator){
if (v1 == null) return false;
IEnumerator enu = (IEnumerator)v2;
while (!result && enu.MoveNext())
if (v1.Equals(enu.Current)) return true;
}
throw new JScriptException(JSError.ObjectExpected);
}
/// <seealso cref="Graph.getEdge(Object, Object)">
/// </seealso>
public override Edge getEdge(System.Object sourceVertex, System.Object targetVertex)
{
if (Enclosing_Instance.containsVertex(sourceVertex) && Enclosing_Instance.containsVertex(targetVertex))
{
System.Collections.IEnumerator iter = getEdgeContainer(sourceVertex).m_vertexEdges.GetEnumerator();
//UPGRADE_TODO: Method 'java.util.Iterator.hasNext' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilIteratorhasNext'"
while (iter.MoveNext())
{
//UPGRADE_TODO: Method 'java.util.Iterator.next' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilIteratornext'"
Edge e = (Edge)iter.Current;
bool equalStraight = sourceVertex.Equals(e.Source) && targetVertex.Equals(e.Target);
bool equalInverted = sourceVertex.Equals(e.Target) && targetVertex.Equals(e.Source);
if (equalStraight || equalInverted)
{
return(e);
}
}
}
return(null);
}
public static void AssertEqualsHashCode(Object o, Object o2)
{
if (o.Equals(o2)) {
if (!o2.Equals(o)) {
Assert.Fail(
String.Empty + o + " equals " + o2 + " but not vice versa");
}
// Test for the guarantee that equal objects
// must have equal hash codes
if (o2.GetHashCode() != o.GetHashCode()) {
// Don't use Assert.AreEqual directly because it has
// quite a lot of overhead
Assert.Fail(
String.Empty + o + " and " + o2 + " don't have equal hash codes");
}
} else {
if (o2.Equals(o)) {
Assert.Fail(String.Empty + o + " does not equal " + o2 +
" but not vice versa");
}
// At least check that GetHashCode doesn't throw
try {
o.GetHashCode();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
try {
o2.GetHashCode();
} catch (Exception ex) {
Assert.Fail(ex.ToString());
throw new InvalidOperationException(String.Empty, ex);
}
}
}
public String getPatientName(Object markerID)
{
if (markerID.Equals("PatientMarkerConfig.txt"))
return "Smith, John";
else if (markerID.Equals(2))
return "Doe, Jane";
return "No Patient";
}
/// <summary> Get the boolean value associated with an index.
/// The string values "true" and "false" are converted to boolean.
///
/// </summary>
/// <param name="index">The index must be between 0 and length() - 1.
/// </param>
/// <returns> The truth.
/// </returns>
/// <throws> JSONException If there is no value for the index or if the </throws>
/// <summary> value is not convertable to boolean.
/// </summary>
public virtual bool getBoolean(int index)
{
System.Object o = get_Renamed(index);
if (o.Equals(false) || (o is System.String && ((System.String)o).ToUpper().Equals("false".ToUpper())))
{
return(false);
}
else if (o.Equals(true) || (o is System.String && ((System.String)o).ToUpper().Equals("true".ToUpper())))
{
return(true);
}
throw new JSONException("JSONArray[" + index + "] is not a Boolean.");
}
public object Convert(Object value , Type targetType , Object parameter , System.Globalization.CultureInfo culture)
{
if (value.Equals("儿童"))
{
return new SolidColorBrush(Colors.Yellow);
}
if (value.Equals("成人"))
{
return new SolidColorBrush(Colors.Orange);
}
else
return new SolidColorBrush(Colors.Gray);
}
static void Main(string[] args)
{
Object o = new Object();
Object p = new Object();
Object q = o;
Console.WriteLine(o.Equals(p));
Console.WriteLine(o.Equals(q));
Console.WriteLine(Object.Equals(p, q));
Console.ReadKey();
}
/// <seealso cref="org._3pq.jgrapht.Edge.oppositeVertex(java.lang.Object)">
/// </seealso>
public virtual System.Object oppositeVertex(System.Object v)
{
if (v.Equals(m_source))
{
return(m_target);
}
else if (v.Equals(m_target))
{
return(m_source);
}
else
{
throw new System.ArgumentException("no such vertex");
}
}
protected void AssertArgumentNotEquals(Object anObject1, Object anObject2, String aMessage)
{
if (anObject1.Equals(anObject2))
{
throw new ArgumentException(aMessage);
}
}
public static void IsNull(System.Object argument, string argumentName)
{
if (argument == null || argument.Equals(null))
{
throw new ArgumentNullException(argumentName);
}
}
/// <summary> Calculates the value of the logical expression
/// *
/// arg1 == arg2
/// *
/// All class types are supported. Uses equals() to
/// determine equivalence. This should work as we represent
/// with the types we already support, and anything else that
/// implements equals() to mean more than identical references.
/// *
/// *
/// </summary>
/// <param name="context"> internal context used to evaluate the LHS and RHS
/// </param>
/// <returns>true if equivalent, false if not equivalent,
/// false if not compatible arguments, or false
/// if either LHS or RHS is null
///
/// </returns>
public override bool evaluate(InternalContextAdapter context)
{
System.Object left = jjtGetChild(0).value_Renamed(context);
System.Object right = jjtGetChild(1).value_Renamed(context);
/*
* they could be null if they are references and not in the context
*/
if (left == null || right == null)
{
rsvc.error((left == null?"Left":"Right") + " side (" + jjtGetChild((left == null?0:1)).literal() + ") of '==' operation " + "has null value. " + "If a reference, it may not be in the context." + " Operation not possible. " + context.CurrentTemplateName + " [line " + Line + ", column " + Column + "]");
return(false);
}
/*
* check to see if they are the same class. I don't think this is slower
* as I don't think that getClass() results in object creation, and we can
* extend == to handle all classes
*/
if (left.GetType().Equals(right.GetType()))
{
return(left.Equals(right));
}
else
{
rsvc.error("Error in evaluation of == expression." + " Both arguments must be of the same Class." + " Currently left = " + left.GetType() + ", right = " + right.GetType() + ". " + context.CurrentTemplateName + " [line " + Line + ", column " + Column + "] (ASTEQNode)");
}
return(false);
}
/// <seealso cref="Graph.addEdge(Object, Object)">
/// </seealso>
public override Edge addEdge(System.Object sourceVertex, System.Object targetVertex)
{
assertVertexExist(sourceVertex);
assertVertexExist(targetVertex);
if (!m_allowingMultipleEdges && containsEdge(sourceVertex, targetVertex))
{
return(null);
}
if (!m_allowingLoops && sourceVertex.Equals(targetVertex))
{
throw new System.ArgumentException(LOOPS_NOT_ALLOWED);
}
Edge e = m_edgeFactory.createEdge(sourceVertex, targetVertex);
if (containsEdge(e))
{
// this restriction should stay!
return(null);
}
else
{
m_edgeSet.Add(e);
m_specifics.addEdgeToTouchingVertices(e);
return(e);
}
}
public void OnSyncOne(Object InObj, int InIndex, Object InValue)
{
if (null == InObj)
{
throw new ArgumentNullException();
}
if (0 > InIndex || InIndex >= propertyInfoLength)
{
throw new IndexOutOfRangeException(InIndex + "< 0 || " + InIndex + " >= " + propertyInfoLength);
}
if (InObj.GetType() != classType)
{
throw new ArgumentException("The input type not matched.");
}
if (null != InValue)
{
PropertyInfo info = propertyInfos[InIndex];
Object oldValue = info.GetValue(InObj, null);
if (!InValue.Equals(oldValue))
{
Object value = InValue;
if (null == oldValue)
{
value = ChangeType(InValue, info.PropertyType); //Convert.ChangeType(InValue, info.PropertyType);
}
info.SetValue(InObj, value, null);
if (InObj is Base)
{
(InObj as Base).OnPropertyChanged(info.Name, oldValue, InValue);
}
}
}
}
/// <seealso cref="Graph.addEdge(Edge)">
/// </seealso>
public override bool addEdge(Edge e)
{
if (e == null)
{
throw new System.NullReferenceException();
}
else if (containsEdge(e))
{
return(false);
}
System.Object sourceVertex = e.Source;
System.Object targetVertex = e.Target;
assertVertexExist(sourceVertex);
assertVertexExist(targetVertex);
assertCompatibleWithEdgeFactory(e);
if (!m_allowingMultipleEdges && containsEdge(sourceVertex, targetVertex))
{
return(false);
}
if (!m_allowingLoops && sourceVertex.Equals(targetVertex))
{
throw new System.ArgumentException(LOOPS_NOT_ALLOWED);
}
m_edgeSet.Add(e);
m_specifics.addEdgeToTouchingVertices(e);
return(true);
}
public static bool AreObjectsEqual(Object x, Object y)
{
if (x == y)
return true;
if (x is ArrayList)
{
if (!(y is ArrayList))
return false;
ArrayList a = x as ArrayList;
ArrayList b = y as ArrayList;
if (a.Count != b.Count)
{
return false;
}
else
{
for (int i=0; i < a.Count; ++i)
{
if (!AreObjectsEqual(a[i], b[i]))
return false;
}
return true;
}
}
else
{
return x.Equals(y);
}
}
public static bool equals(System.Collections.IList a1, System.Collections.IList a2)
{
if (a1 == a2)
{
return(true);
}
if (a1 == null || a2 == null)
{
return(false);
}
int length = a1.Count;
if (a2.Count != length)
{
return(false);
}
for (int i = 0; i < length; i++)
{
System.Object o1 = a1[i];
System.Object o2 = a2[i];
if (!(o1 == null?o2 == null:o1.Equals(o2)))
{
return(false);
}
}
return(true);
}
public void AddOrUpdateWeight(T1 value, float weight)
{
if (weight == 0)
{
throw new ArgumentException("weighted value cannot have a 0% chance.");
}
WeightedChance <T1> existing = this._weights.FirstOrDefault(x => Object.Equals(x.Value, value));
if (existing == null)
{
var instance = new T2
{
Value = value,
Weight = weight
};
this._weights.Add(instance);
}
else
{
existing.Weight = weight;
}
this._adjusted = false;
}
private static void checkEqualsAndHashCodeMethods(Object lhs, Object rhs,
bool expectedResult)
{
if ((lhs == null) && (rhs == null))
{
assertTrue(
"Your check is dubious...why would you expect null != null?",
expectedResult);
return;
}
if ((lhs == null) || (rhs == null))
{
assertFalse(
"Your check is dubious...why would you expect an object "
+ "to be equal to null?", expectedResult);
}
if (lhs != null)
{
assertEquals(expectedResult, lhs.Equals(rhs));
}
if (rhs != null)
{
assertEquals(expectedResult, rhs.Equals(lhs));
}
if (expectedResult)
{
var hashMessage =
"hashCode() values for equal objects should be the same";
assertTrue(hashMessage, lhs.GetHashCode() == rhs.GetHashCode());
}
}
/// <summary>
/// Returns a portion of the list whose keys are greater that the lowerLimit parameter less than the upperLimit parameter.
/// </summary>
/// <param name="l">The list where the portion will be extracted.</param>
/// <param name="limit">The start element of the portion to extract.</param>
/// <param name="limit">The end element of the portion to extract.</param>
/// <returns>The portion of the collection.</returns>
public static System.Collections.SortedList SubMap(System.Collections.SortedList list, System.Object lowerLimit, System.Object upperLimit)
{
System.Collections.Comparer comparer = System.Collections.Comparer.Default;
System.Collections.SortedList newList = new System.Collections.SortedList();
if (list != null)
{
if ((list.Count > 0) && (!(lowerLimit.Equals(upperLimit))))
{
int index = 0;
while (comparer.Compare(list.GetKey(index), lowerLimit) < 0)
{
index++;
}
for (; index < list.Count; index++)
{
if (comparer.Compare(list.GetKey(index), upperLimit) >= 0)
{
break;
}
newList.Add(list.GetKey(index), list[list.GetKey(index)]);
}
}
}
return(newList);
}
public static bool equals(System.Object a, System.Object b)
{
a = unwrap(a);
b = unwrap(b);
if (a == null)
{
return(b == null);
}
else if (a is System.Collections.ArrayList)
{
return(b is System.Collections.ArrayList && vectorEquals((System.Collections.ArrayList)a, (System.Collections.ArrayList)b));
}
else
{
//UPGRADE_TODO: Class 'java.util.HashMap' was converted to 'System.Collections.Hashtable' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilHashMap'"
if (a is System.Collections.Hashtable)
{
//UPGRADE_TODO: Class 'java.util.HashMap' was converted to 'System.Collections.Hashtable' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilHashMap'"
return(b is System.Collections.Hashtable && hashMapEquals((System.Collections.Hashtable)a, (System.Collections.Hashtable)b));
}
else
{
return(a.Equals(b));
}
}
}
/// <summary>
/// Compares the entire members of one array whith the other one.
/// </summary>
/// <param name="array1">The array to be compared.</param>
/// <param name="array2">The array to be compared with.</param>
/// <returns>Returns true if the two specified arrays of Objects are equal
/// to one another. The two arrays are considered equal if both arrays
/// contain the same number of elements, and all corresponding pairs of
/// elements in the two arrays are equal. Two objects e1 and e2 are
/// considered equal if (e1==null ? e2==null : e1.equals(e2)). In other
/// words, the two arrays are equal if they contain the same elements in
/// the same order. Also, two array references are considered equal if
/// both are null.</returns>
public static bool Equals(System.Array array1, System.Array array2)
{
bool result = false;
if ((array1 == null) && (array2 == null))
{
result = true;
}
else if ((array1 != null) && (array2 != null))
{
if (array1.Length == array2.Length)
{
int length = array1.Length;
result = true;
for (int index = 0; index < length; index++)
{
System.Object o1 = array1.GetValue(index);
System.Object o2 = array2.GetValue(index);
if (o1 == null && o2 == null)
{
continue; // they match
}
else if (o1 == null || !o1.Equals(o2))
{
result = false;
break;
}
}
}
}
return(result);
}
public virtual void assertEqual(Object result, Object expecting)
{
if (result == null && expecting != null)
{
throw new FailedAssertionException("expecting \"" + expecting + "\"; found null");
}
assertTrue(result.Equals(expecting), "expecting \"" + expecting + "\"; found \"" + result + "\"");
}
public virtual bool evaluate(System.Object object1, System.Object object2)
{
if (object1 == null)
{
return(object2 == null);
}
return(object1.Equals(object2));
}
bool HashCodesMatchEquals(System.Object obj1, System.Object obj2)
{
if (obj1.Equals(obj2))
{
return(obj1.GetHashCode() == obj2.GetHashCode());
}
return(obj1.GetHashCode() != obj2.GetHashCode());
}
private bool SubEqual(System.Object o1, System.Object o2)
{
if (o1 == null)
{
return(o2 == null);
}
return(o1.Equals(o2));
}
public override bool evaluate(System.Object object1, System.Object object2)
{
if (object1 == null)
{
return(!(object2 == null));
}
return(!object1.Equals(object2));
}
protected virtual void inventoryFullOnPurchase(System.Object o)
{
if (o.Equals(this))
{
EventManager.instance.returnInventoryFullEvent -= this.inventoryFullOnPurchase;
EventManager.instance.returnInventoryNotFullEvent -= this.inventoryNotFullOnPurchase;
}
}
public static void IsEquals(Object expectedValue, Object actualValue, string message)
{
if (actualValue.Equals(expectedValue))
return;
string s = message != null ? ": " + message : String.Empty;
string format = String.Format("Expected {0} but encountered {1}{2}", expectedValue, actualValue, s);
throw new AssertionFailedException(format);
}
public static bool IsNotNull(System.Object obj)
{
if (obj != null && !obj.Equals(null))
{
return(true);
}
return(false);
}
protected virtual void returnUnaffordable(System.Object o)
{
if (o.Equals(this))
{
EventManager.instance.returnPointCountGreaterOrEqualEvent -= this.returnAffordable;
EventManager.instance.returnPointCountLessEvent -= this.returnUnaffordable;
}
}
public bool Equals(EventPattern <TEventArgs> other)
#endif
{
if ((object)other == null)
{
return(false);
}
return(((TSender)sender == null ? (TSender)other.sender == null : sender.Equals(other.sender)) && e.Equals(other.e));
}
/// <summary>
/// 判空
/// </summary>
/// <param name="sysObj"></param>
/// <returns></returns>
private bool IsNull(SystemObject sysObj)
{
if (sysObj == null || sysObj.Equals(null))
{
return(true);
}
return(false);
}
/// <include file='doc\Object.uex' path='docs/doc[@for="Object.Equals1"]/*' />
public static bool Equals(Object objA, Object objB) {
if (objA==objB) {
return true;
}
if (objA==null || objB==null) {
return false;
}
return objA.Equals(objB);
}
protected new bool Equals(Object o1, Object o2) {
if (o1 == null) {
return o2 == null;
} else if (o2 == null) {
return false;
} else {
return o1.Equals(o2);
}
}
public static void StateButton <T>(String text, T state, T value, Action <int> onStateChange, params GUILayoutOption[] options)
{
bool result;
if ((result = GUILayout.Toggle(Object.Equals(state, value), text, GUI.skin.button, options)) != Object.Equals(state, value))
{
onStateChange.Invoke(result ? 1 : -1);
}
}
public static void StateButton(GUIContent text, int state, int value, Action <int> onStateChange, params GUILayoutOption[] options)
{
bool result;
if ((result = GUILayout.Toggle(Object.Equals(state, value), text, GUI.skin.button, options)) != Object.Equals(state, value))
{
onStateChange.Invoke(result ? value : ~value);
}
}
public static void AreEqual(Object a, Object b, string message, bool launchDebugger)
{
if (a.Equals(b) == false)
{
if (launchDebugger)
DebugUtil.LaunchDebugger();
throw new Exception(message + ", '" + a.ToString() + "' != '" + b.ToString() + "'");
}
}
public new bool Equals(Object x, Object y)
{
if (x != null)
{
var tObj = x as IStructuralEquatable;
return tObj != null ? tObj.Equals(y, this) : x.Equals(y);
}
return y == null;
}
public void RemoveWeight(T1 value)
{
T2 existing = this._weights.FirstOrDefault(x => Object.Equals(x.Value, value));
if (existing != null)
{
this._weights.Remove(existing);
this._adjusted = false;
}
}
public void TestEquals1() {
{
Object x = new Object();
Object y = new Object();
Assert("Object should equal itself",
x.Equals(x));
Assert("object should not equal null",
!x.Equals(null));
Assert("Different objects should not equal 1",
!x.Equals(y));
Assert("Different objects should not equal 2",
!y.Equals(x));
}
{
double x = Double.NaN;
double y = Double.NaN;
Assert("NaNs should always equal each other",
((Object)x).Equals(y));
}
}
/// <summary>
/// Static version allows repeated call without needed to grab lock for array each time.
/// </summary>
/// <param name="elem"></param>
/// <param name="elementData"></param>
/// <param name="length"></param>
/// <returns></returns>
private static int IndexOf(Object elem, Object[] elementData, int length) {
if (elem == null) {
for (int i = 0; i < length; i++)
if (elementData[i] == null)
return i;
} else {
for (int i = 0; i < length; i++)
if (elem.Equals(elementData[i]))
return i;
}
return -1;
}
private System.String parseTempFolder(System.Object prefix, System.Object sufix)
{
// Temp folder
if (prefix != null && sufix != null && !prefix.Equals(System.String.Empty) && !sufix.Equals(System.String.Empty))
{
return(System.IO.Path.Combine(prefix.ToString(), sufix.ToString()));
}
else
{
return(null);
}
}
private Object _itemByValue(Object value) {
if((value != null) && (this.cbo.Items.Count > 0)){
//this.cbo.SelectedItem = this.currentValue;
if (this.cbo.Items.First() is EnumWrapper) {
var rslt = this.cbo.Items.Cast<EnumWrapper>().FirstOrDefault((itm) => {
return value.Equals(itm.Value);
});
return rslt;
} else
return this.cbo.Items.First();
}else
return null;
}
public void TestObjectStaticEquals()
{
var mock = new Mock <InfoA>();
Object o = new InfoA();
mock.Setup(m => m.Equals(o)).Returns(false);
Assert.That(Object.Equals(null, mock.Object), Is.False);
mock.Verify(m => m.Equals(o), Times.Never);
Assert.That(Object.Equals(mock.Object, o), Is.False);
mock.Verify(m => m.Equals(o), Times.Once);
}
public bool Equals(Object x, Object y)
{
//noinspection ObjectEquality
if (x == y) {
return true;
}
if (null == x || null == y) {
return false;
}
return x.Equals(y);
}
public void AssertEquals(Object a, Object b) {
if (a != b) {
if ((a == null && b != null) || (a != null && b == null)) {
throw new SystemException("Values are not equal as one is null");
}
if (a.GetType() != b.GetType()) {
throw new SystemException("Comparing objects of different types '"+a.GetType()+"' and '"+b.GetType()+"'");
}
if (!a.Equals(b)) {
throw new SystemException("Values are not equal '"+a+"' and '"+b+"'");
}
}
}
public void TestChangeProperty(Unit unit, String propertyName,
Object inputValue, Object expectedOutputValue)
{
Console.WriteLine("\nTesting changing an existing property's value");
unit.SetProperty(propertyName, inputValue);
Object outputValue = unit.GetProperty(propertyName);
if (expectedOutputValue.Equals(outputValue))
Console.WriteLine("Test passed");
else
Console.WriteLine("Test failed: " + outputValue + " didn't match " + expectedOutputValue);
}
public void TestUnitSpecificProperty(Unit unit, String propertyName,
Object inputValue, Object expectedOutputValue)
{
Console.WriteLine("\nTesting setting/getting a unit-specific property");
unit.SetProperty(propertyName, inputValue);
Object outputValue = unit.GetProperty(propertyName);
if (expectedOutputValue.Equals(outputValue))
Console.WriteLine("Test passed");
else
Console.WriteLine("Test failed: " + outputValue + " didn't match " + expectedOutputValue);
}
private System.Object eval(System.Object oLhs, System.Object oRhs)
{
if (!(oLhs is System.String))
{
return(Result.RESULT_UNKNOWN);
}
if (!(oRhs is System.String))
{
return(Result.RESULT_UNKNOWN);
}
return((oLhs.Equals(oRhs))?Result.RESULT_TRUE:Result.RESULT_FALSE);
}
public override bool containsValue (Object findValue) {
if (findValue == null) {
return false;
}
for (Enumeration e = getAttributeNames (); e.hasMoreElements (); ) {
Object value = getAttribute ((String) e.nextElement ());
if (findValue.Equals (value)) {
return true;
}
}
return false;
}
static void Main(string[] args)
{
Object o = new Object();
Object p = new Object();
Console.WriteLine(o.Equals(p));
String a = new String(new char[] {'a', 'g', 'n', 'a', 'l', 'd', 'o'});
String b = "agnaldo";
Console.WriteLine(a.Equals(b));
Console.ReadKey();
}
public bool IsDefaultValue(System.Object obj)
{
if (!hasDefaultValue)
{
return(false);
}
if (defaultValue == null)
{
return(obj == null);
}
return(defaultValue.Equals(obj));
}
public static void AssertEqualsHashCode(Object o, Object o2)
{
if (o.Equals(o2)) {
if (!o2.Equals(o))
Assert.Fail(
String.Format(CultureInfo.InvariantCulture,
"{0} equals {1}, but not vice versa", o, o2));
// Test for the guarantee that equal objects
// must have equal hash codes
if (o2.GetHashCode() != o.GetHashCode()) {
// Don't use Assert.AreEqual directly because it has
// quite a lot of overhead
Assert.Fail(
String.Format(CultureInfo.InvariantCulture,
"{0} and {1} don't have equal hash codes", o, o2));
}
} else {
if (o2.Equals(o))
Assert.Fail(
String.Format(CultureInfo.InvariantCulture,
"{0} does not equal {1}, but not vice versa", o, o2));
}
}
static void Main(string[] args)
{
//System.Object
//TODAS as classes e structs herdam de Object
//Tipo: class e struct (e ...)
//Membro: campo, propriedade, método, evento (e ...)
//Tipo nome;
//nome = new Tipo();
//new cria uma instância da classe (objeto) Object
//Object é reference type
Object o = new Object();
Console.WriteLine(o.ToString());
//representação String do objeto
//Namespace.Tipo
Console.WriteLine(o.GetHashCode());
//representação numérica do objeto
//SE hashcodes de dois objetos são diferentes,
//os objetos SÃO diferentes
//SE os hashcodes forem iguais PODE SER que os
//objetos sejam iguais
Console.WriteLine(o.GetType().Name);
//retorna o Type de um objeto
//esse type será usado em Reflection,
//entre outras coisas
Object p = new Object();
Console.WriteLine(o.Equals(p));
//Equals compara dois objetos
//o = p = null;
//Não podemos acessar membros de null
//não há objeto onde buscar esses membros
//Console.WriteLine(o.Equals(p));
//Equals, ToString, GetHashCode e GetType são
//métodos de INSTÂNCIA
Console.WriteLine(Object.Equals(o, p));
Console.WriteLine(Object.ReferenceEquals(o, p));
//Equals e ReferenceEquals são métodos static
Console.ReadKey();
}
static new public int Equals(IntPtr l)
{
try {
System.Object self = (System.Object)checkSelf(l);
System.Object a1;
checkType(l, 2, out a1);
var ret = self.Equals(a1);
pushValue(l, true);
pushValue(l, ret);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
}
// Compare two objects for equality.
public static bool Equals(Object objA, Object objB)
{
if(objA == objB)
{
return true;
}
else if(objA != null && objB != null)
{
return objA.Equals(objB);
}
else
{
return false;
}
}
/**
* Finds an item in a list
*
* @param item Item to be inserted
* @return The position in the list of the item
* or -1 if the item is not found
*/
public int contains(Object item)
{
if (!isEmpty())
{
// Start at the beginning of the list
// Stop when the item is found
for (int i = 0; i < getCurrLength(); i++)
{
if (item.Equals(items[i]))
{
return i;
}
}
}
return -1;
}
// Compares values of custom-attribute fields.
private static bool AreFieldValuesEqual(Object thisValue, Object thatValue)
{
if (thisValue == null && thatValue == null)
return true;
if (thisValue == null || thatValue == null)
return false;
Type thisValueType = thisValue.GetType();
if (thisValueType.IsArray)
{
// Ensure both are arrays of the same type.
if (!thisValueType.Equals(thatValue.GetType()))
{
return false;
}
Array thisValueArray = thisValue as Array;
Array thatValueArray = thatValue as Array;
if (thisValueArray.Length != thatValueArray.Length)
{
return false;
}
// Attributes can only contain single-dimension arrays, so we don't need to worry about
// multidimensional arrays.
Contract.Assert(thisValueArray.Rank == 1 && thatValueArray.Rank == 1);
for (int j = 0; j < thisValueArray.Length; j++)
{
if (!AreFieldValuesEqual(thisValueArray.GetValue(j), thatValueArray.GetValue(j)))
{
return false;
}
}
}
else
{
// An object of type Attribute will cause a stack overflow.
// However, this should never happen because custom attributes cannot contain values other than
// constants, single-dimensional arrays and typeof expressions.
Contract.Assert(!(thisValue is Attribute));
if (!thisValue.Equals(thatValue))
return false;
}
return true;
}
public bool CompareObjects(Object obj1, Object obj2)
{
var result = false;
if (obj1.Equals(obj2))
{
return true;
}
Type type = obj1.GetType();
if (type.FullName.Equals(obj2.GetType().FullName))
{
if (type.IsPrimitive)
{
return false;
}
if (type.IsArray)
{
MethodInfo lengthProperty = type.GetProperty("Length").GetGetMethod();
var arrayLength = (int) lengthProperty.Invoke(obj1, new object[] {});
if (!CompareObjects(arrayLength, lengthProperty.Invoke(obj2, new object[][] {})))
{
return false;
}
MethodInfo getValueMethod = type.GetMethod("GetValue", new[] {Type.GetType("System.Int32")});
result = true;
for (int i = 0; i < arrayLength; i++)
{
var propValue1 = getValueMethod.Invoke(obj1, new object[] {i});
var propValue2 = getValueMethod.Invoke(obj2, new object[] {i});
result = result && CompareObjects(propValue1, propValue2);
}
return result;
}
//May not work properly with some complex types!
var propInfo = type.GetProperties();
result = true;
foreach (var propertyInfo in propInfo)
{
var propValue1 = propertyInfo.GetGetMethod().Invoke(obj1, new object[] {});
var propValue2 = propertyInfo.GetGetMethod().Invoke(obj2, new object[] {});
result = result && CompareObjects(propValue1, propValue2);
}
}
return result;
}
public bool ChkStr(Object obj)
{
try
{
if (obj.Equals("") || obj == null)
{
return true;
}
else
{
return false;
}
}
catch
{
return true;
}
}
