Damn. Thanks. :) > -----Original Message----- > From: Interest [mailto:interest-bounces+mitch.curtis=qt...@qt-project.org] > On Behalf Of Giuseppe D'Angelo > Sent: Saturday, 24 June 2017 5:55 PM > To: interest@qt-project.org > Subject: Re: [Interest] Printing QObject-derived classes on QCOMPARE > failure > > Hi, > > Il 24/06/2017 15:54, Mitch Curtis ha scritto: > > Is it possible to have QCOMPARE call the operator<< overload for my > custom QObject-derived class upon failure? > > > > The following test only prints: > > > > FAIL! : Untitled1Test::testCase1() Compared pointers are not the same > > Loc: [../untitled1/tst_untitled1test.cpp(44)] > > Not without modifying QtTestLib. QCOMPARE in that case calls the qCompare > specialization for pointers: > > > template <typename T> > > inline bool qCompare(const T *t1, const T *t2, const char *actual, const > char *expected, > > const char *file, int line) > > { > > return compare_ptr_helper(t1, t2, actual, expected, file, line); > > } > > compare_ptr_helper loses information on T1/T2 and just uses comparison on > void*: > > > inline bool compare_ptr_helper(const volatile void *t1, const volatile > > void > *t2, const char *actual, > > const char *expected, const char *file, > > int line) > > { > > return compare_helper(t1 == t2, "Compared pointers are not the > same", > > toString(t1), toString(t2), actual, expected, > > file, line); > > } > > > > Cheers, > > -- > Giuseppe D'Angelo | giuseppe.dang...@kdab.com | Senior Software > Engineer KDAB (UK) Ltd., a KDAB Group company | Tel: UK +44-1625-809908 > KDAB - Qt, C++ and OpenGL Experts
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