public void CodeWriter_TracksPosition_WithWrite()
{
// Arrange
var writer = new CodeWriter();
// Act
writer.Write("1234");
// Assert
var location = writer.GetCurrentSourceLocation();
var expected = new SourceLocation(absoluteIndex: 4, lineIndex: 0, characterIndex: 4);
Assert.Equal(expected, location);
}
public void CodeWriter_TracksPosition_WithNewline_SplitAcrossWrites_AtBeginning()
{
// Arrange
var writer = new CodeWriter();
// Act
writer.Write("\r");
var location1 = writer.GetCurrentSourceLocation();
writer.Write("\n");
var location2 = writer.GetCurrentSourceLocation();
// Assert
var expected1 = new SourceLocation(absoluteIndex: 1, lineIndex: 1, characterIndex: 0);
Assert.Equal(expected1, location1);
var expected2 = new SourceLocation(absoluteIndex: 2, lineIndex: 1, characterIndex: 0);
Assert.Equal(expected2, location2);
}
public void CodeWriter_TracksPosition_WithWrite_WithNewlineInContent_RepeatedN()
{
// Arrange
var writer = new CodeWriter();
// Act
writer.Write("1234\n\n123");
// Assert
var location = writer.GetCurrentSourceLocation();
var expected = new SourceLocation(
absoluteIndex: 9,
lineIndex: 2,
characterIndex: 3);
Assert.Equal(expected, location);
}
public void CodeWriter_TracksPosition_WithWrite_WithMixedNewlineInContent()
{
// Arrange
var writer = new CodeWriter();
// Act
writer.Write("1234\r123\r\n12\n1");
// Assert
var location = writer.GetCurrentSourceLocation();
var expected = new SourceLocation(
absoluteIndex: 14,
lineIndex: 3,
characterIndex: 1);
Assert.Equal(expected, location);
}
public void CodeWriter_TracksPosition_WithWrite_WithNewlineInContent(string newLine)
{
// Arrange
var writer = new CodeWriter();
// Act
writer.Write("1234" + newLine + "123" + newLine + "12");
// Assert
var location = writer.GetCurrentSourceLocation();
var expected = new SourceLocation(
absoluteIndex: 9 + newLine.Length + newLine.Length,
lineIndex: 2,
characterIndex: 2);
Assert.Equal(expected, location);
}