public void TestOps()
{
string text = @",:+-* / -+ /**/";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
var lexems = TestSimpleLexer.getLexerOutput(l);
Assert.IsTrue(lexems.Count == 12);
CollectionAssert.AreEqual(new LexemList()
{
{ Tok.COMMA, "," },
{ Tok.COLON, ":" },
{ Tok.PLUS, "+" },
{ Tok.MINUS, "-" },
{ Tok.MULT, "*" },
{ Tok.DIVISION, "/" },
{ Tok.MINUS, "-" },
{ Tok.PLUS, "+" },
{ Tok.DIVISION, "/" },
{ Tok.MULT, "*" },
{ Tok.MULT, "*" },
{ Tok.DIVISION, "/" },
}.ToList(), lexems);
}
public void TestComparisonsAndOps()
{
string text = @">+6<>>=<= +<> >+=<= <==";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
var lexems = TestSimpleLexer.getLexerOutput(l);
Assert.IsTrue(lexems.Count == 13);
CollectionAssert.AreEqual(new LexemList()
{
{ Tok.GT, ">" },
{ Tok.PLUS, "+" },
{ Tok.INUM, "6" },
{ Tok.NEQ, "<>" },
{ Tok.GEQ, ">=" },
{ Tok.LEQ, "<=" },
{ Tok.PLUS, "+" },
{ Tok.NEQ, "<>" },
{ Tok.GT, ">" },
{ Tok.PLUSASSIGN, "+=" },
{ Tok.LEQ, "<=" },
{ Tok.LEQ, "<=" },
{ Tok.EQ, "=" }
}.ToList(), lexems);
}
public void TestAssigns()
{
string text = @"+ = -= *= /= +==:=6-=-*+/";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
var lexems = TestSimpleLexer.getLexerOutput(l);
Assert.IsTrue(lexems.Count == 14);
CollectionAssert.AreEqual(new LexemList()
{
{ Tok.PLUS, "+" },
{ Tok.EQ, "=" },
{ Tok.MINUSASSIGN, "-=" },
{ Tok.MULTASSIGN, "*=" },
{ Tok.DIVASSIGN, "/=" },
{ Tok.PLUSASSIGN, "+=" },
{ Tok.EQ, "=" },
{ Tok.ASSIGN, ":=" },
{ Tok.INUM, "6" },
{ Tok.MINUSASSIGN, "-=" },
{ Tok.MINUS, "-" },
{ Tok.MULT, "*" },
{ Tok.PLUS, "+" },
{ Tok.DIVISION, "/" }
}.ToList(), lexems);
}
public void TestOpsFail()
{
string text = @"-`-$ # @";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
Assert.Throws <LexerException>(() =>
{
var lexems = TestSimpleLexer.getLexerOutput(l);
});
}
public void TestCommentNotClosed()
{
string text = @" ts:=623 { cmt
cmt id := 22";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
Assert.Throws <LexerException>(() =>
{
var lexems = TestSimpleLexer.getLexerOutput(l);
});
}
public void TestCommentFileEnd()
{
string text = @" ts:=623 { }";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
var lexems = TestSimpleLexer.getLexerOutput(l);
Assert.IsTrue(lexems.Count == 3);
CollectionAssert.AreEqual(new LexemList()
{
{ Tok.ID, "ts" },
{ Tok.ASSIGN, ":=" },
{ Tok.INUM, "623" },
}.ToList(), lexems);
}
public void TestCommentNextLine()
{
string text = @" ts:=623 { cmt
cmt } id := 22";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
var lexems = TestSimpleLexer.getLexerOutput(l);
Assert.AreEqual(6, lexems.Count);
CollectionAssert.AreEqual(new LexemList()
{
{ Tok.ID, "ts" },
{ Tok.ASSIGN, ":=" },
{ Tok.INUM, "623" },
{ Tok.ID, "id" },
{ Tok.ASSIGN, ":=" },
{ Tok.INUM, "22" },
}.ToList(), lexems);
}
public void TestComparisons()
{
string text = @"><>>=<=+<> > <=";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
var lexems = TestSimpleLexer.getLexerOutput(l);
Assert.AreEqual(lexems.Count, 8);
CollectionAssert.AreEqual(new LexemList()
{
{ Tok.GT, ">" },
{ Tok.NEQ, "<>" },
{ Tok.GEQ, ">=" },
{ Tok.LEQ, "<=" },
{ Tok.PLUS, "+" },
{ Tok.NEQ, "<>" },
{ Tok.GT, ">" },
{ Tok.LEQ, "<=" }
}.ToList(), lexems);
}
public void TestKeywords()
{
string text = @"div mod - and or not notmod anddiv modor *";
TextReader inputReader = new StringReader(text);
Lexer l = new Lexer(inputReader);
var lexems = TestSimpleLexer.getLexerOutput(l);
Assert.IsTrue(lexems.Count == 10);
CollectionAssert.AreEqual(new LexemList()
{
{ Tok.DIV, "div" },
{ Tok.MOD, "mod" },
{ Tok.MINUS, "-" },
{ Tok.AND, "and" },
{ Tok.OR, "or" },
{ Tok.NOT, "not" },
{ Tok.ID, "notmod" },
{ Tok.ID, "anddiv" },
{ Tok.ID, "modor" },
{ Tok.MULT, "*" }
}.ToList(), lexems);
}