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QVariant benchmark: fix crashes

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- Skip unused metatype id
- Do not construct a QVariant from an int, when we instead want to
  construct a QVariant for a given metatype (was: metatype id in Qt 5)

Pick-to: 6.0
Change-Id: I1ac19dec5549b424a9429f69999eaf8e96c022e2
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
This commit is contained in:
Fabian Kosmale 2021-01-26 12:43:25 +01:00
parent d3735ff838
commit 6d3a886f09
1 changed files with 7 additions and 4 deletions
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9
tests/benchmarks/corelib/kernel/qvariant/tst_qvariant.cpp
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@ -336,9 +336,11 @@ void tst_qvariant::stringVariantValue()
void tst_qvariant::createCoreType_data()
{
QTest::addColumn<int>("typeId");
for (int i = QMetaType::FirstCoreType; i <= QMetaType::LastCoreType; ++i)
for (int i = QMetaType::FirstCoreType; i <= QMetaType::LastCoreType; ++i) {
if (QMetaType::typeName(i)) // QMetaType(27) does not exist
QTest::newRow(QMetaType::typeName(i)) << i;
}
}
// Tests how fast a Qt core type can be default-constructed by a
// QVariant. The purpose of this benchmark is to measure the overhead
@ -365,11 +367,12 @@ void tst_qvariant::createCoreTypeCopy_data()
void tst_qvariant::createCoreTypeCopy()
{
QFETCH(int, typeId);
QVariant other(typeId);
QMetaType metaType(typeId);
QVariant other(metaType);
const void *copy = other.constData();
QBENCHMARK {
for (int i = 0; i < ITERATION_COUNT; ++i)
QVariant(QMetaType(typeId), copy);
QVariant(metaType, copy);
}
}