Keep StringUtils left, right, mid, and overlay off surrogate pair boundaries - #1776
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Alwaysgaurav1 wants to merge 1 commit into
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Keep StringUtils left, right, mid, and overlay off surrogate pair boundaries#1776Alwaysgaurav1 wants to merge 1 commit into
Alwaysgaurav1 wants to merge 1 commit into
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Summary
Prevents
StringUtils.left,StringUtils.right,StringUtils.mid, andStringUtils.overlayfrom splitting UTF-16 surrogate pairs into malformed lone surrogates.Details of Changes
StringUtils.left: Backs off the cut by 1 whensplitsSurrogatePairis true to avoid trailing lone high surrogates.StringUtils.right: Advances start by 1 whensplitsSurrogatePairis true to avoid leading lone low surrogates.StringUtils.mid: Adjusts start and end boundaries to keep cuts off the middle of surrogate pairs.StringUtils.overlay: Adjusts replacement span boundaries off surrogate pairs.StringUtilsSubstringTestandStringUtilsTest.src/changes/changes.xml.