// Test "RuntimeHelpers.GetObjectValue".
public void TestHelpersGetObjectValue()
{
// Null's value is itself.
AssertNull("GetObjectValue (1)",
RuntimeHelpers.GetObjectValue(null));
// Object references map to themselves.
Object obj = new Object();
AssertSame("GetObjectValue (2)", obj,
RuntimeHelpers.GetObjectValue(obj));
// Immutable primitive types map to themselves.
obj = (Object)3;
AssertSame("GetObjectValue (3)", obj,
RuntimeHelpers.GetObjectValue(obj));
obj = (Object)(AttributeTargets.Assembly);
AssertSame("GetObjectValue (4)", obj,
RuntimeHelpers.GetObjectValue(obj));
// Other value types are cloned.
GetObjectValueTest t = new GetObjectValueTest(3);
obj = (Object)t;
Object clone = RuntimeHelpers.GetObjectValue(obj);
AssertNotSame("GetObjectValue (5)", obj, clone);
AssertEquals("GetObjectValue (6)",
((GetObjectValueTest)obj).value,
((GetObjectValueTest)clone).value);
obj.GetHashCode(); // side-effect value.
AssertEquals("GetObjectValue (7)", 4,
((GetObjectValueTest)obj).value);
AssertEquals("GetObjectValue (8)", 3,
((GetObjectValueTest)clone).value);
}
// Test "RuntimeHelpers.GetObjectValue".
public void TestHelpersGetObjectValue()
{
// Null's value is itself.
AssertNull("GetObjectValue (1)",
RuntimeHelpers.GetObjectValue(null));
// Object references map to themselves.
Object obj = new Object();
AssertSame("GetObjectValue (2)", obj,
RuntimeHelpers.GetObjectValue(obj));
// Immutable primitive types map to themselves.
obj = (Object)3;
AssertSame("GetObjectValue (3)", obj,
RuntimeHelpers.GetObjectValue(obj));
obj = (Object)(AttributeTargets.Assembly);
AssertSame("GetObjectValue (4)", obj,
RuntimeHelpers.GetObjectValue(obj));
// Other value types are cloned.
GetObjectValueTest t = new GetObjectValueTest(3);
obj = (Object)t;
Object clone = RuntimeHelpers.GetObjectValue(obj);
AssertNotSame("GetObjectValue (5)", obj, clone);
AssertEquals("GetObjectValue (6)",
((GetObjectValueTest)obj).value,
((GetObjectValueTest)clone).value);
obj.GetHashCode(); // side-effect value.
AssertEquals("GetObjectValue (7)", 4,
((GetObjectValueTest)obj).value);
AssertEquals("GetObjectValue (8)", 3,
((GetObjectValueTest)clone).value);
}
