diff options
| author | Oswald Buddenhagen <oswald.buddenhagen@nokia.com> | 2010-01-28 20:07:18 (GMT) |
|---|---|---|
| committer | Oswald Buddenhagen <oswald.buddenhagen@nokia.com> | 2010-02-16 18:10:38 (GMT) |
| commit | c03b21d272f617b037ad9d0ccaa2f442638bf302 (patch) | |
| tree | 81ee508df0a38dc2decd6017f39e777af0416574 /tests/auto/qlist | |
| parent | 5723f1bcb538a5624cbed871c34507ff26285878 (diff) | |
| download | Qt-c03b21d272f617b037ad9d0ccaa2f442638bf302.zip Qt-c03b21d272f617b037ad9d0ccaa2f442638bf302.tar.gz Qt-c03b21d272f617b037ad9d0ccaa2f442638bf302.tar.bz2 | |
optimize QList::mid()
instead of append()ing each element separately, reserve enough space and
do a low-level node copy.
obviously, the gain for small simple types is the biggest.
Reviewed-by: joao
Reviewed-by: denis
Diffstat (limited to 'tests/auto/qlist')
| -rw-r--r-- | tests/auto/qlist/tst_qlist.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/auto/qlist/tst_qlist.cpp b/tests/auto/qlist/tst_qlist.cpp index 59b2c7b..a590fca 100644 --- a/tests/auto/qlist/tst_qlist.cpp +++ b/tests/auto/qlist/tst_qlist.cpp @@ -60,6 +60,7 @@ private slots: void length() const; void lengthSignature() const; void append() const; + void mid() const; }; void tst_QList::length() const @@ -129,5 +130,14 @@ void tst_QList::append() const } +void tst_QList::mid() const +{ + QList<QString> list; + list << "foo" << "bar" << "baz" << "bak" << "buck" << "hello" << "kitty"; + + QCOMPARE(list.mid(3, 3), + QList<QString>() << "bak" << "buck" << "hello"); +} + QTEST_APPLESS_MAIN(tst_QList) #include "tst_qlist.moc" |