private static IInput GetInputFromString(string source)
{
var result = PreLexer.Process(source.Split(new[] { Environment.NewLine }, StringSplitOptions.None));
var output = result.Aggregate((x, y) => x + Environment.NewLine + y);
return(new Input(output));
}
public void ShouldHandleTextOnTheFirstLine()
{
var source = @"onlyLine";
var result = PreLexer.Process(SplitUsingNewline(source)).ToArray();
var expectedResult = SplitUsingNewline(@"onlyLine");
CollectionAssert.AreEqual(expectedResult, result);
}
public void ShouldFailOnUnterminatedString()
{
var source = @"
line1 ""i'm unterminated";
var result = PreLexer.Process(SplitUsingNewline(source));
var exception = Assert.Throws <ParsingException>(() => result.ToArray());
Assert.AreEqual(ParsingError.SyntaxError, exception.Error);
}
public void ShouldFailOnSingleLineMultilineComment()
{
var source = @"
first line
/*something*/ second line";
var result = PreLexer.Process(SplitUsingNewline(source));
var exception = Assert.Throws <ParsingException>(() => result.ToArray());
Assert.AreEqual(ParsingError.SyntaxError, exception.Error);
}
private static IInput GetInputFromString(string source)
{
var result = PreLexer.Process(source);
if (!result.Any())
{
return(new Input(string.Empty));
}
var output = result.Aggregate((x, y) => x + Environment.NewLine + y);
return(new Input(output));
}
public void ShouldFailIfTheMultilineCommentFinishesBeforeEndOfLine()
{
var source = @"
line1 /* here we begin
here it goes
here the comment ends*/ x: 5
line2";
var result = PreLexer.Process(SplitUsingNewline(source));
var exception = Assert.Throws <ParsingException>(() => result.ToArray());
Assert.AreEqual(ParsingError.SyntaxError, exception.Error);
}
public void ShouldProcessTwoLinesWithNoIndent()
{
var source = @"
line1
line2";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1;
line2");
CollectionAssert.AreEquivalent(expectedResult, result);
}
public void ShouldProcessDoubleDedentAtTheEndOfFile()
{
var source = @"first line
second line
first indented";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"first line;
second line{
first indented}");
CollectionAssert.AreEquivalent(expectedResult, result);
}
public void ShouldHandleInitialIndent()
{
var source = @"
first line
second line
first indented
second indented
third line";
var result = PreLexer.Process(SplitUsingNewline(source));
var exception = Assert.Throws <ParsingException>(() => result.ToArray());
Assert.AreEqual(ParsingError.WrongIndent, exception.Error);
}
public void ShouldProcessBraceInString()
{
var source = @"
line1 ""{ \"" {""
line2";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1 ""{ \"" {"";
line2");
CollectionAssert.AreEqual(expectedResult, result);
}
public void ShouldHandleMultilineCommentsInOneLine()
{
var source = @"
line1 used as a ruler1234 123456789 1234
line 2/* first comment*/ ""string with /*"" /* second comment */ something";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1 used as a ruler1234 123456789 1234;
line 2 ""string with /*"" something");
CollectionAssert.AreEqual(expectedResult, result);
}
public void ShouldHandleLineCommentsAndStrings()
{
var source = @"
line1 ""something with //"" ""another // pseudo comment"" { // and here goes real comment
line2 }";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1 ""something with //"" ""another // pseudo comment"" {
line2 }");
CollectionAssert.AreEqual(expectedResult, result);
}
public void ShouldHandleUncorrectLineComments()
{
var source = @"
line1 {// something
line2 }";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1 {// something
line2 }");
CollectionAssert.AreEqual(expectedResult, result);
}
public void ShouldNotProcessIndentInBraces()
{
var source = @"
line1 {
line2 }";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1 {
line2 }");
CollectionAssert.AreEqual(expectedResult, result);
}
public void ShouldHandleEmptyLinesAtTheEndOfSource()
{
var source = @"
line1
line2
";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1;
line2
");
CollectionAssert.AreEquivalent(expectedResult, result);
}
public void ShouldProcessSimpleFile()
{
var source = @"first line
second line
first indented
second indented
third line";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"first line;
second line{
first indented;
second indented};
third line");
CollectionAssert.AreEquivalent(expectedResult, result);
}
public void ShouldHandleMultilineCommentsWithinBraces()
{
var source = @"
line1 { /* here we begin
here it goes
here the comment ends*/ x: 5 }
line2";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1 {
x: 5 };
line2");
CollectionAssert.AreEqual(expectedResult, result);
}
public void ShouldHandleMultilineComments()
{
var source = @"
line1/* here we begin
here it goes
more
more
here we finish*/
line2";
var result = PreLexer.Process(SplitUsingNewline(source));
var expectedResult = SplitUsingNewline(@"
line1;
line2");
CollectionAssert.AreEqual(expectedResult, result);
}
public void ShouldProcessEmptyFile()
{
var result = PreLexer.Process(string.Empty);
CollectionAssert.AreEquivalent(string.Empty, result.First());
}
public void ShouldProcessEmptyFile()
{
var result = PreLexer.Process(new string[0]);
CollectionAssert.AreEquivalent(new string[0], result);
}