public void CreateOrGetTextSpan_ShouldGetAnExistingTextSpan_WhenItHasAlreadyBeenDefined()
{
// Given
var underTest = new DefaultTextManager("Hello World!");
var start = new TextPosition(0, 0);
var stop = new TextPosition(0, 12);
var textSpan = underTest.CreateOrGetTextSpan(start, stop);
// When
var result = underTest.CreateOrGetTextSpan(start, stop);
// Then
Assert.That(result, Is.SameAs(textSpan));
}
public void CreateOrGetTextSpan_ShouldCreateANewTextSpan_WhenItHasNotInitializedYet()
{
// Given
var underTest = new DefaultTextManager("Hello World!");
var start = new TextPosition(0, 0);
var stop = new TextPosition(0, 12);
// When
var result = underTest.CreateOrGetTextSpan(start, stop);
// Then
Assert.That(result, Is.EqualTo(new TextSpan(start, stop)));
}
public void GetValue_ShouldReturnSelectedTextBySpan_WhenSpanStartAndStopAreInSameLines()
{
// Given
var underTest = new DefaultTextManager("Hello World!");
var start = new TextPosition(0, 0);
var stop = new TextPosition(0, 5);
var textSpan = underTest.CreateOrGetTextSpan(start, stop);
// When
var result = underTest.GetValue(textSpan);
// Then
Assert.That(result, Is.EqualTo("Hello"));
}
public void GetValue_ShouldReturnSelectedTextBySpan_WhenSpanStartAndStopAreInDifferentLines()
{
// Given
var text = multiLineText("Hello World!",
"How is it going?",
"We are programming on a very exciting project.",
"Come and join us!");
var underTest = new DefaultTextManager(text);
var start = new TextPosition(0, 6);
var stop = new TextPosition(1, 6);
var textSpan = underTest.CreateOrGetTextSpan(start, stop);
// When
var result = underTest.GetValue(textSpan);
// Then
Assert.That(result, Is.EqualTo(multiLineText("World!", "How is")));
}
public void SetValue_ShouldSetSelectedTextBySpanToGivenValue_WhenSpanStartAndStopAreInSameLinesAndThereIsNoConflictBetweenSpans()
{
// Given
var text = multiLineText("Hello World!",
"How is it going?",
"We are working on a very exciting project.",
"Come and join us!");
var underTest = new DefaultTextManager(text);
var start = new TextPosition(0, 0);
var stop = new TextPosition(0, 5);
var textSpan = underTest.CreateOrGetTextSpan(start, stop);
// When
underTest.SetValue("Hi", textSpan);
var result = new
{
Span = underTest.GetValue(textSpan),
Text = underTest.GetText()
};
// Then
Assert.That(result, Is.EqualTo(new
{
Span = "Hi",
Text = multiLineText("Hi World!",
"How is it going?",
"We are working on a very exciting project.",
"Come and join us!")
}));
}
public void SetValue_ShouldHandleHugeAmountTextSpans(Int32 lines)
{
// Given
var textBuilder = new StringBuilder();
for (var i = 0; i < lines; i++)
{
textBuilder.AppendLine("one,two,three,four");
}
var underTest = new DefaultTextManager(textBuilder.ToString());
var spans = new List<TextSpan>();
for (var i = 0; i < lines; i++)
{
spans.Add(underTest.CreateOrGetTextSpan(new TextPosition(i, 0), new TextPosition(i, 3)));
underTest.CreateOrGetTextSpan(new TextPosition(i, 4), new TextPosition(i, 7));
}
// When
var watch = Stopwatch.StartNew();
foreach (var span in spans)
{
underTest.SetValue("onetwo", span);
}
watch.Stop();
// Then
Console.WriteLine(watch.Elapsed);
}
public void SetValue_ShouldSetSelectedTextBySpanToGivenValueAndUpdateTextRangesInTheSameLine_WhenSpanStartAndStopAreInDifferentLinesAndColumnsAndThereAreMultipleSpansWithoutConflict()
{
// Given
var text = multiLineText("Hello World!",
"How is it going?",
"We are working on a very exciting project.",
"Come and join us!");
var underTest = new DefaultTextManager(text);
var firstSpan = underTest.CreateOrGetTextSpan(new TextPosition(0, 0), new TextPosition(1, 3));
var secondSpan = underTest.CreateOrGetTextSpan(new TextPosition(1, 4), new TextPosition(1, 6));
// When
underTest.SetValue("Where", firstSpan);
var result = new {
Spans = new[] { underTest.GetValue(firstSpan), underTest.GetValue(secondSpan) },
Text = underTest.GetText()
};
// Then
Assert.That(result.Spans, Is.EquivalentTo(new[] { "Where", "is" }));
var expectedText = multiLineText("Where is it going?",
"We are working on a very exciting project.",
"Come and join us!");
Assert.That(result.Text, Is.EqualTo(expectedText));
}
public void SetValue_ShouldSetSelectedTextBySpanToGivenValue_WhenSpanStartAndStopAreInSameLinesAndColumnsAndThereAreMultipleSpansWithoutConflict()
{
// Given
var text = multiLineText("Hello World!",
"How is it going?",
"We are working on a very exciting project.",
"Come and join us!");
var underTest = new DefaultTextManager(text);
var helloSpan = underTest.CreateOrGetTextSpan(new TextPosition(0, 0), new TextPosition(0, 5));
var worldSpan = underTest.CreateOrGetTextSpan(new TextPosition(0, 6), new TextPosition(0, 11));
// When
underTest.SetValue("WORLD", worldSpan);
var result = new
{
Spans = new[] {underTest.GetValue(helloSpan), underTest.GetValue(worldSpan)},
Text = underTest.GetText()
};
// Then
Assert.That(result.Spans, Is.EquivalentTo(new[] {"Hello", "WORLD"}));
var expectedText = multiLineText("Hello WORLD!",
"How is it going?",
"We are working on a very exciting project.",
"Come and join us!");
Assert.That(result.Text, Is.EqualTo(expectedText));
}