public void ParseFunctions_ReadLine_SetsInputAndCallsNextFunction()
{
// Arrange
// Note that the string being used here has some extra white
// space around it.
var buffer = Encoding.ASCII.GetBytes(" Lorem ipsum ");
var memStream = new MemoryStream(buffer);
var reader = new StreamReader(memStream);
var state = new object();
var context = new ParseContext(reader, state);
var numCallsMadeToNextFunction = 0;
Task next()
{
numCallsMadeToNextFunction++;
return(Task.CompletedTask);
}
// Act
ParseFunctions.ReadLine(context, next).Wait();
// Assert
// Note that the expected value is a trimmed version of the one
// used above to create the buffer variable.
Assert.AreEqual("Lorem ipsum", context.Input);
Assert.AreEqual(1, numCallsMadeToNextFunction);
}
public void ParseFunctions_ReadLine_ThrowsOnNullParseContext()
{
// Arrange
ParseContext nullParseContext = null;
Task next() => Task.CompletedTask;
// Act
ParseFunctions.ReadLine(nullParseContext, next);
}
public void ParseFunctions_ReadLine_ThrowsOnNullNextFunction()
{
// Arrange
var reader = new StreamReader(new MemoryStream());
var state = new object();
var context = new ParseContext(reader, state);
Func <Task> nullNextFunction = null;
// Act
ParseFunctions.ReadLine(context, nullNextFunction);
}