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Fixes #1148. TextFormatter.Format does not keep the end spaces on wrapped text. (#1149)

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* Fixes #1148. TextFormatter.Format does not keep the end spaces on wrapped text.

* Added comments.

* Changing keepEndSapces to preserveTrailingSpaces.
This commit is contained in:
BDisp
2021-03-23 17:53:02 +00:00
committed by GitHub
parent 68329f6895
commit 482f9db7da
2 changed files with 132 additions and 7 deletions
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120
UnitTests/TextFormatterTests.cs
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@@ -2306,5 +2306,125 @@ namespace Terminal.Gui {
c = new System.Text.Rune (127);
Assert.Equal (1, c.Utf8SequenceLength); // non printable character
}
[Fact]
public void Format_WordWrap_Keep_End_Spaces ()
{
ustring text = " A sentence has words. \n This is the second Line - 2. ";
// With preserveTrailingSpaces = false by default.
var list1 = TextFormatter.Format (text, 4, TextAlignment.Left, true);
ustring wrappedText1 = ustring.Empty;
var idx = 0;
foreach (var txt in list1) {
wrappedText1 += txt;
switch (idx) {
case 0:
Assert.Equal (" A", txt);
break;
case 1:
Assert.Equal ("sent", txt);
break;
case 2:
Assert.Equal ("ence", txt);
break;
case 3:
Assert.Equal ("has", txt);
break;
case 4:
Assert.Equal ("word", txt);
break;
case 5:
Assert.Equal ("s. ", txt);
break;
case 6:
Assert.Equal (" Thi", txt);
break;
case 7:
Assert.Equal ("s is", txt);
break;
case 8:
Assert.Equal ("the", txt);
break;
case 9:
Assert.Equal ("seco", txt);
break;
case 10:
Assert.Equal ("nd", txt);
break;
case 11:
Assert.Equal ("Line", txt);
break;
case 12:
Assert.Equal ("- 2.", txt);
break;
}
idx++;
}
Assert.Equal (" Asentencehaswords. This isthesecondLine- 2.", wrappedText1);
// With preserveTrailingSpaces = true.
var list2 = TextFormatter.Format (text, 4, TextAlignment.Left, true, true);
ustring wrappedText2 = ustring.Empty;
idx = 0;
foreach (var txt in list2) {
wrappedText2 += txt;
switch (idx) {
case 0:
Assert.Equal (" A", txt);
break;
case 1:
Assert.Equal (" sen", txt);
break;
case 2:
Assert.Equal ("tenc", txt);
break;
case 3:
Assert.Equal ("e", txt);
break;
case 4:
Assert.Equal (" has", txt);
break;
case 5:
Assert.Equal (" wor", txt);
break;
case 6:
Assert.Equal ("ds. ", txt);
break;
case 7:
Assert.Equal (" Thi", txt);
break;
case 8:
Assert.Equal ("s is", txt);
break;
case 9:
Assert.Equal (" the", txt);
break;
case 10:
Assert.Equal (" sec", txt);
break;
case 11:
Assert.Equal ("ond", txt);
break;
case 12:
Assert.Equal (" Lin", txt);
break;
case 13:
Assert.Equal ("e -", txt);
break;
case 14:
Assert.Equal (" 2. ", txt);
break;
}
idx++;
}
Assert.Equal (" A sentence has words. This is the second Line - 2. ", wrappedText2);
}
[Fact]
public void Format_Throw_ArgumentException_With_WordWrap_As_False_And_Keep_End_Spaces_As_True ()
{
Assert.Throws<ArgumentException> (() => TextFormatter.Format ("Some text", 4, TextAlignment.Left, false, true));
}
}
}