diff options
| author | Lars Knoll <lars.knoll@qt.io> | 2020-07-06 13:08:40 +0200 |
|---|---|---|
| committer | Lars Knoll <lars.knoll@qt.io> | 2020-08-15 14:43:23 +0200 |
| commit | 8ad9e81694fda39fbecebb9f97491004e9ac8c41 (patch) | |
| tree | b5a5e9bc6bd95dea730cb466627e8a225bd1ab94 /tests/auto/corelib/io/qdebug/tst_qdebug.cpp | |
| parent | 6c36fd8af7e873defa3843f49848a14980561647 (diff) | |
Constrain the debug stream operators for containers
Check that we can successfully instantiate the debug
stream operator for a container before we actually try.
This is required so we can automate registration of debug
stream operators with QMetaType.
Change-Id: I3943e7a443751d250c33b2ca1b9cf29207cfe6c4
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Diffstat (limited to 'tests/auto/corelib/io/qdebug/tst_qdebug.cpp')
| -rw-r--r-- | tests/auto/corelib/io/qdebug/tst_qdebug.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/auto/corelib/io/qdebug/tst_qdebug.cpp b/tests/auto/corelib/io/qdebug/tst_qdebug.cpp index ece9be642a..72412aa44d 100644 --- a/tests/auto/corelib/io/qdebug/tst_qdebug.cpp +++ b/tests/auto/corelib/io/qdebug/tst_qdebug.cpp @@ -35,6 +35,12 @@ #include <QtConcurrentRun> #include <QFutureSynchronizer> +static_assert(QTypeTraits::has_ostream_v<QDebug, int>); +static_assert(QTypeTraits::has_ostream_v<QDebug, QList<int>>); +struct NonStreamable {}; +static_assert(!QTypeTraits::has_ostream_v<QDebug, NonStreamable>); +static_assert(!QTypeTraits::has_ostream_v<QDebug, QList<NonStreamable>>); + class tst_QDebug: public QObject { Q_OBJECT |