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tst_QString: check empty regex can replace in empty/null string

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It's not intuitive, so check lest people break it.

Change-Id: I2435cd69be7b77a6ae59cdc7b5fb99658cfc42fd
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit d1a37ab0997fbe393fb9cca7158dfa59041f165d)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Marc Mutz 2022-11-23 20:43:08 +01:00 committed by Qt Cherry-pick Bot
parent e5f94b3b1f
commit 2fa63f352a
1 changed files with 3 additions and 0 deletions
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3
tests/auto/corelib/text/qstring/tst_qstring.cpp
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@ -856,6 +856,9 @@ void tst_QString::replace_regexp_data()
// Columns (all QString): string, regexp, after, result; string.replace(regexp, after) == result
// Test-cases with empty after (replacement text, third column) go in remove_regexp_data()
QTest::newRow("empty-in-null") << QString() << "" << "after" << "after";
QTest::newRow("empty-in-empty") << "" << "" << "after" << "after";
QTest::newRow( "rep00" ) << QString("A <i>bon mot</i>.") << QString("<i>([^<]*)</i>") << QString("\\emph{\\1}") << QString("A \\emph{bon mot}.");
QTest::newRow( "rep01" ) << QString("banana") << QString("^.a()") << QString("\\1") << QString("nana");
QTest::newRow( "rep02" ) << QString("banana") << QString("(ba)") << QString("\\1X\\1") << QString("baXbanana");