diff options
Diffstat (limited to 'tests/auto/corelib')
| -rw-r--r-- | tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp b/tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp index 88c505601a..310c5f6fd3 100644 --- a/tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp +++ b/tests/auto/corelib/tools/qbytearray/tst_qbytearray.cpp @@ -778,9 +778,17 @@ void tst_QByteArray::qstrncpy() { QByteArray src(1024, 'a'), dst(1024, 'b'); - // singularities - QCOMPARE(::qstrncpy(0, 0,0), (char*)0); - QCOMPARE(::qstrncpy(dst.data(), 0, 0), (char*)0); + // dst == nullptr + QCOMPARE(::qstrncpy(0, src.data(), 0), (char*)0); + QCOMPARE(::qstrncpy(0, src.data(), 10), (char*)0); + + // src == nullptr + QCOMPARE(::qstrncpy(dst.data(), 0, 0), (char*)0); + QCOMPARE(::qstrncpy(dst.data(), 0, 10), (char*)0); + + // valid pointers, but len == 0 + QCOMPARE(::qstrncpy(dst.data(), src.data(), 0), dst.data()); + QCOMPARE(*dst.data(), 'b'); // must not have written to dst // normal copy QCOMPARE(::qstrncpy(dst.data(), src.data(), src.size()), dst.data()); |