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QPair: add tests for conversion ctor/assignment operators 

Change-Id: Id54ada05f477aa3262ad99d82bc243c3d17e06f0
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
This commit is contained in:
Marc Mutz 2015-11-25 12:40:59 +01:00
parent a9a11f020f
commit 12a9d6be28
1 changed files with 58 additions and 0 deletions
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58
tests/auto/corelib/tools/qpair/tst_qpair.cpp
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@ -41,6 +41,7 @@ class tst_QPair : public QObject
Q_OBJECT
private Q_SLOTS:
void testConstexpr();
void testConversions();
};
class C { char _[4]; };
@ -108,5 +109,62 @@ void tst_QPair::testConstexpr()
Q_UNUSED(pSI);
}
void tst_QPair::testConversions()
{
// construction from lvalue:
{
const QPair<int, double> rhs(42, 4.5);
const QPair<int, int> pii = rhs;
QCOMPARE(pii.first, 42);
QCOMPARE(pii.second, 4);
const QPair<int, float> pif = rhs;
QCOMPARE(pif.first, 42);
QCOMPARE(pif.second, 4.5f);
}
// assignment from lvalue:
{
const QPair<int, double> rhs(42, 4.5);
QPair<int, int> pii;
pii = rhs;
QCOMPARE(pii.first, 42);
QCOMPARE(pii.second, 4);
QPair<int, float> pif;
pif = rhs;
QCOMPARE(pif.first, 42);
QCOMPARE(pif.second, 4.5f);
}
// construction from rvalue:
{
#define rhs qMakePair(42, 4.5)
const QPair<int, int> pii = rhs;
QCOMPARE(pii.first, 42);
QCOMPARE(pii.second, 4);
const QPair<int, float> pif = rhs;
QCOMPARE(pif.first, 42);
QCOMPARE(pif.second, 4.5f);
#undef rhs
}
// assignment from rvalue:
{
#define rhs qMakePair(42, 4.5)
QPair<int, int> pii;
pii = rhs;
QCOMPARE(pii.first, 42);
QCOMPARE(pii.second, 4);
QPair<int, float> pif;
pif = rhs;
QCOMPARE(pif.first, 42);
QCOMPARE(pif.second, 4.5f);
#undef rhs
}
}
QTEST_APPLESS_MAIN(tst_QPair)
#include "tst_qpair.moc"