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author | Olivier Goffart <ogoffart@woboq.com> | 2018-10-29 12:21:38 +0100 |
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committer | Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com> | 2018-10-31 09:07:49 +0000 |
commit | 0330b967f20bc265b9799418ce8e0b6faf929a62 (patch) | |
tree | b6b5adb7d7af617cbacbc8cec57bcd4d1fa07bf8 /tests | |
parent | 22788194f93eeec53cd82380a5e0448579ea0930 (diff) |
Simplify the Q_FOREACH macro when using C++17
This way there is only one for loop, which is more optimizer friendly
Change-Id: Iaa02026627d5259c3eea1ff5664e8f22664eef73
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'tests')
-rw-r--r-- | tests/auto/corelib/global/qglobal/qglobal.pro | 1 | ||||
-rw-r--r-- | tests/auto/corelib/global/qglobal/tst_qglobal.cpp | 40 |
2 files changed, 41 insertions, 0 deletions
diff --git a/tests/auto/corelib/global/qglobal/qglobal.pro b/tests/auto/corelib/global/qglobal/qglobal.pro index a40cb9a288..b105769430 100644 --- a/tests/auto/corelib/global/qglobal/qglobal.pro +++ b/tests/auto/corelib/global/qglobal/qglobal.pro @@ -2,3 +2,4 @@ CONFIG += testcase TARGET = tst_qglobal QT = core testlib SOURCES = tst_qglobal.cpp qglobal.c +contains(QT_CONFIG, c++1z): CONFIG += c++1z diff --git a/tests/auto/corelib/global/qglobal/tst_qglobal.cpp b/tests/auto/corelib/global/qglobal/tst_qglobal.cpp index 78b954f373..56da047147 100644 --- a/tests/auto/corelib/global/qglobal/tst_qglobal.cpp +++ b/tests/auto/corelib/global/qglobal/tst_qglobal.cpp @@ -126,6 +126,46 @@ void tst_QGlobal::for_each() QCOMPARE(i, counter++); } QCOMPARE(counter, list.count()); + + // Should also work with an existing variable + int local; + counter = 0; + foreach (local, list) { + QCOMPARE(local, counter++); + } + QCOMPARE(counter, list.count()); + QCOMPARE(local, counter - 1); + + // Test the macro does not mess if/else conditions + counter = 0; + if (true) + foreach (int i, list) + QCOMPARE(i, counter++); + else + QFAIL("If/Else mismatch"); + QCOMPARE(counter, list.count()); + + counter = 0; + if (false) + foreach (int i, list) + if (i) QFAIL("If/Else mismatch"); + else QFAIL("If/Else mismatch"); + else + foreach (int i, list) + if (false) { } + else QCOMPARE(i, counter++); + QCOMPARE(counter, list.count()); + + // break and continue + counter = 0; + foreach (int i, list) { + if (i == 0) + continue; + QCOMPARE(i, (counter++) + 1); + if (i == 3) + break; + } + QCOMPARE(counter, 3); } void tst_QGlobal::qassert() |