Add some autotest data for QtSectionSpans.

Fix boundry issues discoverd in QtSectionSpans by the above test.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qsectionspans_p.h b/src/qsectionspans_p.h
index 5636c9f..7d67ef8 100644
--- a/src/qsectionspans_p.h
+++ b/src/qsectionspans_p.h
@@ -216,8 +216,8 @@ public:
             if (index >= spanFirstSection && index <= spanLastSection) {
                 // can we remove the span ?
                 if (index == spanFirstSection && spanSectionCount <= uint(removeCount)) {
-                    int prev = i - 1;
-                    int next = i + 1;
+                    int prev = qMax(i - 1, 0); // if 'i' is 0, it doesn't matter
+                    int next = qMin(i + 1, spans.count() - 1);
                     bool merge = (spans.at(prev).value == spans.at(next).value);
                     if (merge) {
                         spans[prev].count += spans.at(next).count;