rootvector2 opened a new pull request, #437:
URL: https://github.com/apache/commons-cli/pull/437
`indexOfWrap` computes the wrap boundary as `startPos + width` in `int`
math. `width` is `Integer.MAX_VALUE` for any `TextStyle` left at the default
`UNSET_MAX_WIDTH`, so once `startPos > 0` (any text containing a break
character) the sum overflows negative, `indexOfWrap` returns a negative index,
and `makeColumnQueue` calls `subSequence(startPos, <negative>)`, throwing
`StringIndexOutOfBoundsException`. Found while reviewing the `help` text
wrapping.
Repro:
new TextHelpAppendable(new StringBuilder()).printWrapped("Hello\nWorld",
TextStyle.DEFAULT);
// StringIndexOutOfBoundsException: Range [6, -2147483644) out of bounds
for length 11
Computing the boundary as a `long` keeps every in-range result identical.
The added `indexOfWrap` assertion returns the negative index before the change
and the string length after.
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