QTextDocument: fix string backward search

[ChangeLog][QtGui][QTextDocument] Fixed a bug that would return a wrong
position when searching backward from the end of the document.

Task-number: QTBUG-48182
Change-Id: I6e88f808a50cb840f61e7bc579e2a28c5300089d
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
This commit is contained in:
Samuel Gaist 2015-09-27 01:22:42 +02:00
parent 2743cd54a0
commit e52fcb7dc7
2 changed files with 3 additions and 1 deletions

View File

@ -1309,7 +1309,7 @@ QTextCursor QTextDocument::find(const QString &subString, int from, FindFlags op
//do not include the character given in the position.
if (options & FindBackward) {
--pos ;
if (pos < subString.size())
if (pos < 0)
return QTextCursor();
}

View File

@ -323,6 +323,8 @@ void tst_QTextDocument::find_data()
<< 15 << 6 << 11;
QTest::newRow("nbsp") << "Hello" + QString(QChar(QChar::Nbsp)) +"World" << " " << int(QTextDocument::FindCaseSensitively) << 0 << 5 << 6;
QTest::newRow("from-the-end") << "Hello World" << "Hello World" << int(QTextDocument::FindCaseSensitively| QTextDocument::FindBackward) << 11 << 0 << 11;
}
void tst_QTextDocument::find()