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Add line wrapping tests

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This commit is contained in:
Johan Walles 2024-09-15 09:22:24 +02:00
parent 5b180e20ca
commit bac6d0d80e
1 changed files with 13 additions and 4 deletions
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17
m/linewrapper_test.go
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@ -29,9 +29,9 @@ func rowsToString(cellLines [][]twin.Cell) string {
return returnMe
}
func assertWrap(t *testing.T, input string, width int, wrappedLines ...string) {
func assertWrap(t *testing.T, input string, widthInScreenCells int, wrappedLines ...string) {
toWrap := tokenize(input)
actual := wrapLine(width, toWrap)
actual := wrapLine(widthInScreenCells, toWrap)
expected := [][]twin.Cell{}
for _, wrappedLine := range wrappedLines {
@ -42,8 +42,8 @@ func assertWrap(t *testing.T, input string, width int, wrappedLines ...string) {
return
}
t.Errorf("When wrapping <%s> at width %d:\n--Expected--\n%s\n\n--Actual--\n%s",
input, width, rowsToString(expected), rowsToString(actual))
t.Errorf("When wrapping <%s> at cell count %d:\n--Expected--\n%s\n\n--Actual--\n%s",
input, widthInScreenCells, rowsToString(expected), rowsToString(actual))
}
func TestEnoughRoomNoWrapping(t *testing.T) {
@ -109,3 +109,12 @@ func TestWordWrapMarkdownLink(t *testing.T) {
// This doesn't look great, room for tuning!
assertWrap(t, "[something](http://apa/bepa)", 10, "[something", "]", "(http://ap", "a/bepa)")
}
func TestWordWrapWideChars(t *testing.T) {
// The width is in cells, and there are wide chars in here using multiple cells.
assertWrap(t, "x上午y", 6, "x上午y")
assertWrap(t, "x上午y", 5, "x上午", "y")
assertWrap(t, "x上午y", 4, "x上", "午y")
assertWrap(t, "x上午y", 3, "x上", "午y")
assertWrap(t, "x上午y", 2, "x", "上", "午", "y")
}