public void Create_WhenDoubleAndSingleFieldsAreSpecified_TheAssignmentIsCorrect(double doubleValue, float singleValue)
{
// arrange
var doubleField = typeof(FieldExpressionTestClass).GetField(Utils.GetFieldName<FieldExpressionTestClass, double>(p => p.FieldDouble));
var mergeResultDouble = new MemberMergeResult<FieldInfo>(doubleField);
var floatField = typeof(FieldExpressionTestClass).GetField(Utils.GetFieldName<FieldExpressionTestClass, float>(p => p.FieldFloat));
var mergeResultFloat = new MemberMergeResult<FieldInfo>(floatField);
var fieldExpressionBuilder = new FieldExpressionBuilder(this.SourceParameterExpression, this.DestinationParameterExpression);
var fields = new[] { mergeResultDouble, mergeResultFloat };
// act
var fieldBlockExpressionBuilder = new MemberBlockExpressionBuilder<FieldInfo>(fieldExpressionBuilder);
var blockExpression = fieldBlockExpressionBuilder.Create<FieldExpressionTestClass, FieldExpressionTestClass>(fields);
// assert
var action = Expression.Lambda<Action<FieldExpressionTestClass, FieldExpressionTestClass>>(blockExpression, this.SourceParameterExpression, this.DestinationParameterExpression).Compile();
FieldExpressionTestClass sourceObject = new FieldExpressionTestClass { FieldDouble = doubleValue, FieldFloat = singleValue };
var destinationObject = new FieldExpressionTestClass();
action.Invoke(sourceObject, destinationObject);
Assert.Equal(doubleValue, destinationObject.FieldDouble);
Assert.Equal(singleValue, destinationObject.FieldFloat);
}
public void Create_WhenTheFieldsAreSpecified_TheAssignmentIsCorrect()
{
// arrange
var stringField = typeof(FieldExpressionTestClass).GetField(Utils.GetFieldName<FieldExpressionTestClass, string>(p => p.FieldString));
var mergeResultString = new MemberMergeResult<FieldInfo>(stringField);
var intField = typeof(FieldExpressionTestClass).GetField(Utils.GetFieldName<FieldExpressionTestClass, int>(p => p.FieldInt));
var mergeResultInt = new MemberMergeResult<FieldInfo>(intField);
var fieldExpressionBuilder = new FieldExpressionBuilder(this.SourceParameterExpression, this.DestinationParameterExpression);
var fields = new[] { mergeResultString, mergeResultInt };
// act
var fieldBlockExpressionBuilder = new MemberBlockExpressionBuilder<FieldInfo>(fieldExpressionBuilder);
var blockExpression = fieldBlockExpressionBuilder.Create<FieldExpressionTestClass, FieldExpressionTestClass>(fields);
// assert
string fieldStringValue = "Thor";
int fieldIntValue = int.MaxValue;
var action = Expression.Lambda<Action<FieldExpressionTestClass, FieldExpressionTestClass>>(blockExpression, this.SourceParameterExpression, this.DestinationParameterExpression).Compile();
FieldExpressionTestClass sourceObject = new FieldExpressionTestClass { FieldString = fieldStringValue, FieldInt = fieldIntValue };
var destinationObject = new FieldExpressionTestClass();
action.Invoke(sourceObject, destinationObject);
Assert.Equal(fieldStringValue, destinationObject.FieldString);
Assert.Equal(fieldIntValue, destinationObject.FieldInt);
}
public void Create_WhenTheFieldTypeIsInt16_TheAssignmentExpressionIsCorrect(short fieldValue)
{
string fieldName = Utils.GetFieldName<FieldExpressionTestClass, short>(p => p.FieldShort);
var fieldExpressionBuilder = new FieldExpressionBuilder(this.SourceParameterExpression, this.DestinationParameterExpression);
var mergeResult = new MemberMergeResult<FieldInfo>(typeof(FieldExpressionTestClass).GetField(fieldName));
Expression assignmentExpression = fieldExpressionBuilder.Create<FieldExpressionTestClass, FieldExpressionTestClass>(mergeResult);
BlockExpression blockExpression = Expression.Block(assignmentExpression);
var action = Expression.Lambda<Action<FieldExpressionTestClass, FieldExpressionTestClass>>(blockExpression, this.SourceParameterExpression, this.DestinationParameterExpression).Compile();
FieldExpressionTestClass sourceObject = new FieldExpressionTestClass { FieldShort = fieldValue };
var destinationObject = new FieldExpressionTestClass();
action.Invoke(sourceObject, destinationObject);
Assert.Equal(fieldValue, destinationObject.FieldShort);
}
