public void ConstructorTest()
{
string outputPath = "../../../TestFiles/PrintNumber/UnitTest.vm";
VmWriter vmWriter = new VmWriter(outputPath);
Assert.IsTrue(File.Exists(outputPath), "file not found.");
}
public CompilationEngineVm(IList <Pair <string, string> > classTokensList, VmWriter vmWriter, string className)
{
// reverse tokens before push onto stack (so we Pop them in the correct order!)
classTokensList = classTokensList.Reverse().ToList();
this.classTokens = new Stack <Pair <string, string> >();
this.vmWriter = vmWriter;
this.className = className;
foreach (Pair <string, string> token in classTokensList)
{
this.classTokens.Push(token);
}
}
public CompilationEngineVm(IList<Pair<string, string>> classTokensList, VmWriter vmWriter, string className)
{
// reverse tokens before push onto stack (so we Pop them in the correct order!)
classTokensList = classTokensList.Reverse().ToList();
this.classTokens = new Stack<Pair<string, string>>();
this.vmWriter = vmWriter;
this.className = className;
foreach (Pair<string, string> token in classTokensList)
{
this.classTokens.Push(token);
}
}
public void WriteGotoTest()
{
string outputPath = "../../../TestFiles/PrintNumber/UnitTest.vm";
using (VmWriter vmWriter = new VmWriter(outputPath))
{
vmWriter.WriteGoto("SomeLabel");
}
using (StreamReader streamReader = new StreamReader(File.OpenRead("../../../TestFiles/PrintNumber/UnitTest.vm")))
{
string line = streamReader.ReadLine().Trim();
Assert.IsTrue(string.Equals(line, "goto SomeLabel", StringComparison.InvariantCulture));
}
}
public void WriteArithmeticTest()
{
string outputPath = "../../../TestFiles/PrintNumber/UnitTest.vm";
using (VmWriter vmWriter = new VmWriter(outputPath))
{
vmWriter.WriteArithmetic(ArithmeticCommand.Add);
}
using (StreamReader streamReader = new StreamReader(File.OpenRead("../../../TestFiles/PrintNumber/UnitTest.vm")))
{
string line = streamReader.ReadLine().Trim();
Assert.IsTrue(string.Equals(line, "add", StringComparison.InvariantCulture));
}
}
public void Compile()
{
IList <Pair <string, string> > tokens = null;
using (Tokenizer tokenizer = new Tokenizer(this.inputPath))
{
tokens = tokenizer.GetTokens();
}
tokens = tokens.Where(t => t.Value1 != "Comment").ToList();
using (VmWriter vmWriter = new VmWriter(GetOutputPath()))
{
CompilationEngineVm compilationEngineVm = new CompilationEngineVm(tokens, vmWriter, Path.GetFileNameWithoutExtension(inputPath));
compilationEngineVm.CompileClass();
}
}
public void WritePushTest()
{
string outputPath = "../../../TestFiles/PrintNumber/UnitTest.vm";
using(VmWriter vmWriter = new VmWriter(outputPath))
{
vmWriter.WritePush(Segment.Argument, 1);
}
using (StreamReader streamReader = new StreamReader(File.OpenRead("../../../TestFiles/PrintNumber/UnitTest.vm")))
{
string line = streamReader.ReadLine().Trim();
Assert.IsTrue(string.Equals(line, "push Argument 1", StringComparison.InvariantCulture));
}
}