using System;

namespace RefactoringEssentials.Demonstration

{

class Program

{

static void Main(string[] args)

{

// CompareFloats() shows some detected comparison issues with floats

CompareFloats();

// Compare exactly the same constant value -> suggestion to convert to 'true'

// Also other Refactorings: Convert to Equals() call, invert and negate condition etc.

bool fiveIsFive = (5 == 5);

// Refactoring: Conversion of operator assignment ("|=") to assignment with or operator and vice versa

bool hasArgs = false;

hasArgs |= (args.Length > 0);

// Refactoring: Use explicit type instead of 'var'

var commandLineSwitchParser = new CommandLineSwitchParser();

commandLineSwitchParser.Parameters = args;

commandLineSwitchParser.Parse();

Console.WriteLine("Selected switches: {0}", commandLineSwitchParser.Switches);

// Warning about unassigned created object

new object();

// 1. Analyzer + CodeFix to replace Nullable<T> by T?

// 2. Refactoring: Replace type by 'var'

Nullable<float> nullableFloat = 5;

}

static void CompareFloats()

{

// Doing some float comparison will be marked as potential issue

float float1 = 1.0f;

float float2 = 1.0f;

if (float1 == float2)

{

// Default equality test might fail on floats

}

if (float1 != 0)

{

// Same for zero comparison

}

if (float1 == float.NaN)

{

// Not a good way to test for NaN

}

if (float1 != float.PositiveInfinity)

{

// Not a good way to test for infinity

}

}

}

}