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Fix word wrap on line shorter than line length #18

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Merged
hownowstephen merged 1 commit into from
Mar 8, 2024
Merged

Fix word wrap on line shorter than line length #18

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1 change: 1 addition & 0 deletions wrap.go
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ func WordWrap(txt string, lineLength int) string {

final = append(final, line[startIndex:startIndex+newIndex])
startIndex += newIndex
endIndex = startIndex

// clear any extra space
for ; startIndex < len(line) && line[startIndex] == ' '; startIndex++ {
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7 changes: 7 additions & 0 deletions wrap_test.go
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Expand Up @@ -29,3 +29,10 @@ func TestWrappingTrailingWhitespace(t *testing.T) {
wrapped = textplain.WordWrap("1234567890"+strings.Repeat(" ", 20), 10)
assert.Equal(t, "1234567890\n", wrapped)
}

func TestWrappingShorterThanLimit(t *testing.T) {
body := "1 12 12 1"

wrapped := textplain.WordWrap(body, 3)
assert.Equal(t, "1\n12\n12\n1", wrapped)
}