public void TryParse(string sourceCode, bool isValid)
{
// Arrange
var parser = new BrainfParser();
// Act
var result = parser.TryParse(sourceCode, out var program, out var errorMessage);
// Assert
Assert.Equal(isValid, result);
if (isValid)
{
Assert.NotNull(program);
Assert.Null(errorMessage);
}
else
{
Assert.Null(program);
Assert.NotNull(errorMessage);
}
}
public void Parse()
{
// Arrange
const string sourceCode = "+++--->>><<<...,,,[[]]";
var parser = new BrainfParser();
// Act
var program = parser.Parse(sourceCode);
var operations = program.GetOperations();
// Assert
Assert.Equal(sourceCode, program.SourceCode);
Assert.Equal(8, operations.Length);
Assert.Equal(BrainfKind.Inc, operations[0].Kind);
Assert.Equal(3, operations[0].Count);
Assert.Equal(BrainfKind.Dec, operations[1].Kind);
Assert.Equal(3, operations[1].Count);
Assert.Equal(BrainfKind.MoveR, operations[2].Kind);
Assert.Equal(3, operations[2].Count);
Assert.Equal(BrainfKind.MoveL, operations[3].Kind);
Assert.Equal(3, operations[3].Count);
Assert.Equal(BrainfKind.Out, operations[4].Kind);
Assert.Equal(3, operations[4].Count);
Assert.Equal(BrainfKind.In, operations[5].Kind);
Assert.Equal(3, operations[5].Count);
Assert.Equal(BrainfKind.LoopStart, operations[6].Kind);
Assert.Equal(2, operations[6].Count);
Assert.Equal(BrainfKind.LoopEnd, operations[7].Kind);
Assert.Equal(2, operations[7].Count);
}
public void Compile()
{
// Arrange
const string sourceCode = @"
>++[<+++++++++++++>-]<[[>+>+<<-]>[<+>-]++++++++
[>++++++++<-]>.[-]<<>++++++++++[>++++++++++[>++
++++++++[>++++++++++[>++++++++++[>++++++++++[>+
+++++++++[-]<-]<-]<-]<-]<-]<-]<-]";
var parser = new BrainfParser();
var compiler = new BrainfCompiler();
var memory = new BrainfMemory();
var io = BrainfIO.CreateString();
// Act
var program = parser.Parse(sourceCode);
var func = compiler.Compile(program);
func(memory, io);
// Assert
Assert.Equal("ZYXWVUTSRQPONMLKJIHGFEDCBA", io.GetString());
}
