public void ConstructWithEmptyString()
{
// arrange
var source = new CodeCoverageStringTextSource(string.Empty, "");
// assert
Assert.True (source.LinesCount == 0);
// act
var result = source.GetLine(1); // not existing line index
// assert
Assert.True (result == string.Empty);
// act
result = source.GetLine(0); // invalid line index
// assert
Assert.True (result == string.Empty);
// act
var sp = new SequencePoint { StartLine = 1, StartColumn = 1, EndLine = 1, EndColumn = 6};
result = source.GetText(sp);
// assert
Assert.True (result == string.Empty);
// act
sp = new SequencePoint { StartLine = -1, StartColumn = -1, EndLine = -2, EndColumn = 6};
result = source.GetText(sp);
// assert
Assert.True (result == string.Empty);
}
public void ConstructWithNullString()
{
// arrange
var source = new CodeCoverageStringTextSource(null, "");
// assert
Assert.True (source.LinesCount == 0);
// act
var result = source.GetLine(1); // not existing line index
// assert
Assert.True (result == string.Empty);
// act
result = source.GetLine(0); // invalid line index
// assert
Assert.True (result == string.Empty);
}
public void ConstructWithSingleLine()
{
// arrange
const string input = "single line";
var source = new CodeCoverageStringTextSource(input, "");
// assert
Assert.True (source.LinesCount == 1);
// act
var result = source.GetLine(1); // existing line index
// assert
Assert.True (result == input);
// act
result = source.GetLine(0); // invalid line index
// assert
Assert.True (result == string.Empty);
// act
var sp = new SequencePoint { StartLine = 1, StartColumn = 1, EndLine = 1, EndColumn = 7};
result = source.GetText(sp);
// assert
Assert.True (result == "single");
// act with too small StartColumn
sp = new SequencePoint { StartLine = 1, StartColumn = -1, EndLine = 1, EndColumn = 7};
result = source.GetText(sp);
// assert
Assert.True (result == "single");
// act with too large StartColumn
sp = new SequencePoint { StartLine = 1, StartColumn = 19, EndLine = 1, EndColumn = 20};
result = source.GetText(sp);
// assert
Assert.True (result == "");
// act with too small EndColumn
sp = new SequencePoint { StartLine = 1, StartColumn = 1, EndLine = 1, EndColumn = 0};
result = source.GetText(sp);
// assert
Assert.True (result == "");
// act with too large EndColumn
sp = new SequencePoint { StartLine = 1, StartColumn = 1, EndLine = 1, EndColumn = 20};
result = source.GetText(sp);
// assert
Assert.True (result == "single line");
}
public void CountLinesWithMixedLineEnd()
{
// arrange
const string input = "\r\r\r\n \r\n \r\n \r \n \n\n\n\r\n\n";
// 1 2 3 4 5 6 7 8 910 1112
var source = new CodeCoverageStringTextSource(input, "");
// assert
Assert.True (source.LinesCount == 12);
// act
var result = source.GetLine(1); // existing line index
// assert
Assert.True (result == "\r");
}
public void CountLinesWithCrLf()
{
// arrange
const string input = "\r\n\r\n\r\n\r\n";
var source = new CodeCoverageStringTextSource(input, "");
// assert
Assert.True (source.LinesCount == 4);
// act
var result = source.GetLine(1); // existing line index
// assert
Assert.True (result == "\r\n");
}
public void ConstructWithFiveLines()
{
// arrange
const string input = "\tfirst line\n \n\tthird line\r\n \r fifth line\r";
var source = new CodeCoverageStringTextSource(input, "");
// assert
Assert.True (source.LinesCount == 5);
// act
var result = source.GetLine(1); // existing line index
// assert
Assert.True (result == "\tfirst line\n");
// act
result = source.GetLine(2); // existing line index
// assert
Assert.True (result == " \n");
// act
result = source.GetLine(3); // existing line index
// assert
Assert.True (result == "\tthird line\r\n");
// act
result = source.GetLine(4); // existing line index
// assert
Assert.True (result == " \r");
// act
result = source.GetLine(5); // existing line index
// assert
Assert.True (result == " fifth line\r");
// act
result = source.GetLine(9); // invalid line index
// assert
Assert.True (result == string.Empty);
// act third line request
var sp = new SequencePoint { StartLine = 3, StartColumn = 8, EndLine = 3, EndColumn = 12};
result = source.GetText(sp);
// assert
Assert.True (result == "line");
// act invalid two lines request
sp = new SequencePoint { StartLine = 1, StartColumn = 8, EndLine = 2, EndColumn = 13};
result = source.GetText(sp);
// assert
Assert.True (result == "line\n \n");
// act valid two lines request
sp = new SequencePoint { StartLine = 1, StartColumn = 8, EndLine = 2, EndColumn = 2};
result = source.GetText(sp);
// assert
Assert.True (result == "line\n ");
// act three lines request
sp = new SequencePoint { StartLine = 1, StartColumn = 8, EndLine = 3, EndColumn = 12};
result = source.GetText(sp);
// assert
Assert.True (result == "line\n \n\tthird line");
}
public void ConstructWithTwoLinesNoCrLfAtEof()
{
// arrange
const string input = "\tfirst line\r\tsecond line";
var source = new CodeCoverageStringTextSource(input, "");
// assert
Assert.True (source.LinesCount == 2);
// act
var result = source.GetLine(1); // existing line index
// assert
Assert.True (result == "\tfirst line\r");
// act
result = source.GetLine(2); // existing line index
// assert
Assert.True (result == "\tsecond line");
// act
result = source.GetLine(0); // invalid line index
// assert
Assert.True (result == string.Empty);
// act on first line
var sp = new SequencePoint { StartLine = 1, StartColumn = 8, EndLine = 1, EndColumn = 12};
result = source.GetText(sp);
// assert
Assert.True (result == "line");
// act on second line
sp = new SequencePoint { StartLine = 2, StartColumn = 9, EndLine = 2, EndColumn = 13};
result = source.GetText(sp);
// assert
Assert.True (result == "line");
}
public void ConstructWithTwoLines()
{
// arrange
const string input = "\tfirst line\n\tsecond line\r";
var source = new CodeCoverageStringTextSource(input, "");
// assert
Assert.True (source.LinesCount == 2);
// act with existing line index
var result = source.GetLine(1);
// assert
Assert.True (result == "\tfirst line\n");
// act with existing line index
result = source.GetLine(2);
// assert
Assert.True (result == "\tsecond line\r");
// act with invalid line index
result = source.GetLine(0);
// assert
Assert.True (result == string.Empty);
// act
var sp = new SequencePoint { StartLine = 2, StartColumn = 9, EndLine = 2, EndColumn = 13};
result = source.GetText(sp);
// assert
Assert.True (result == "line");
// act with two lines request
sp = new SequencePoint { StartLine = 1, StartColumn = 8, EndLine = 2, EndColumn = 13};
result = source.GetText(sp);
// assert
Assert.True (result == "line\n\tsecond line");
// act with extended two lines request
sp = new SequencePoint { StartLine = 1, StartColumn = -8, EndLine = 2, EndColumn = 30};
result = source.GetText(sp);
// assert
Assert.True (result == "\tfirst line\n\tsecond line\r");
// act with invalid first line request
sp = new SequencePoint { StartLine = 1, StartColumn = 28, EndLine = 2, EndColumn = 30};
result = source.GetText(sp);
// assert
Assert.True (result == "\tsecond line\r");
// act with invalid first line and invalid second line request
sp = new SequencePoint { StartLine = 1, StartColumn = 28, EndLine = 2, EndColumn = 0};
result = source.GetText(sp);
// assert
Assert.True (result == "");
}