public void ExtractStringValue()
{
var objectHavingProperties = new HasProperties { Name = "Tester" };
var result = this.funcOperations.ExtractValueFromInstance(objectHavingProperties, e => e.Name);
Assert.AreEqual("Tester", result);
}
public void ExtractIntValue()
{
var objectHavingProperties = new HasProperties { Id = 10 };
var result = this.funcOperations.ExtractValueFromInstance(objectHavingProperties, e => e.Id);
Assert.AreEqual(10, result);
}
public void UseExpressionToAnalyseFunc()
{
var objectHavingProperties = new HasProperties { Id = 1, Name = "Tester" };
Expression<Func<HasProperties, string>> someExpressionOfFunc = e => e.Name.Substring(0, 2);
var expression = this.expressionOperations.ExtractInformationAboutLambdaExpression(
objectHavingProperties, someExpressionOfFunc);
Assert.AreEqual("e.Name.Substring(0,2)", expression);
}
public void ExtractIntValue()
{
var objectHavingProperties = new HasProperties {
Id = 10
};
var result = this.funcOperations.ExtractValueFromInstance(objectHavingProperties, e => e.Id);
Assert.AreEqual(10, result);
}
public void ExtractStringValue()
{
var objectHavingProperties = new HasProperties {
Name = "Tester"
};
var result = this.funcOperations.ExtractValueFromInstance(objectHavingProperties, e => e.Name);
Assert.AreEqual("Tester", result);
}
public void UseExpressionToAnalyseFunc()
{
var objectHavingProperties = new HasProperties {
Id = 1, Name = "Tester"
};
Expression <Func <HasProperties, string> > someExpressionOfFunc = e => e.Name.Substring(0, 2);
var expression = this.expressionOperations.ExtractInformationAboutLambdaExpression(
objectHavingProperties, someExpressionOfFunc);
Assert.AreEqual("e.Name.Substring(0,2)", expression);
}
public void UseInstanceWithLambdaFunction()
{
var objectHavingProperties = new HasProperties { Id = 10 };
// Takes an instance of HasProperties as its only parameter and returns a string value.
// We pass this function like a normal variable. This is functional programming. We
// treat functions like values.
Func<HasProperties, string> someLambda = e =>
{
var s = "Id + 2 = " + (e.Id + 2);
return s;
};
var result = this.funcOperations.ExtractValueFromInstance(objectHavingProperties, someLambda);
Assert.AreEqual("Id + 2 = 12", result);
}
public void UseInstanceWithLambdaFunction()
{
var objectHavingProperties = new HasProperties {
Id = 10
};
// Takes an instance of HasProperties as its only parameter and returns a string value.
// We pass this function like a normal variable. This is functional programming. We
// treat functions like values.
Func <HasProperties, string> someLambda = e =>
{
var s = "Id + 2 = " + (e.Id + 2);
return(s);
};
var result = this.funcOperations.ExtractValueFromInstance(objectHavingProperties, someLambda);
Assert.AreEqual("Id + 2 = 12", result);
}