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tst_QString: assign(it,it) add test-cases for empty range

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Change-Id: Iaf2ddb247aa279166110ad8793b1e37e66e8b11b
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
(cherry picked from commit c8be7c6a6c8bdefea523428163fe03186fd42ce5)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Dennis Oberst 2023-08-23 17:29:19 +02:00 committed by Qt Cherry-pick Bot
parent 9dbb4a8f81
commit d5b36aa609
1 changed files with 20 additions and 0 deletions
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20
tests/auto/corelib/text/qstring/tst_qstring.cpp
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@ -3434,6 +3434,11 @@ void tst_QString::assign()
QCOMPARE(str.assign(tstr.begin(), tstr.end()), u"(ノಠ益ಠ)\0ノ彡┻━┻");
QCOMPARE(str.size(), 6);
auto oldCap = str.capacity();
str.assign(tstr.begin(), tstr.begin()); // empty range
QCOMPARE_EQ(str.capacity(), oldCap);
QCOMPARE_EQ(str.size(), 0);
const char16_t c16[] = u"٩(⁎❛ᴗ❛⁎)۶ 🤷";
str.assign(std::begin(c16), std::end(c16) - 1);
QCOMPARE(str, c16);
@ -3442,6 +3447,11 @@ void tst_QString::assign()
str.assign(c16str.begin(), c16str.end());
QCOMPARE(str, c16);
oldCap = str.capacity();
str.assign(c16str.begin(), c16str.begin()); // empty range
QCOMPARE_EQ(str.capacity(), oldCap);
QCOMPARE_EQ(str.size(), 0);
const char32_t c32[] = U"٩(⁎❛ᴗ❛⁎)۶ 🤷";
str.assign(std::begin(c32), std::end(c32) - 1);
QCOMPARE(str, c16);
@ -3450,6 +3460,11 @@ void tst_QString::assign()
str.assign(c32str.begin(), c32str.end());
QCOMPARE(str, c16);
oldCap = str.capacity();
str.assign(c32str.begin(), c32str.begin()); // empty range
QCOMPARE_EQ(str.capacity(), oldCap);
QCOMPARE_EQ(str.size(), 0);
QVarLengthArray<QLatin1Char, 5> l1ch = {'F'_L1, 'G'_L1, 'H'_L1, 'I'_L1, 'J'_L1};
str.assign(l1ch.begin(), l1ch.end());
QCOMPARE(str, u"FGHIJ");
@ -3468,6 +3483,11 @@ void tst_QString::assign()
std::stringstream ss("50 51 52 53 54");
str.assign(std::istream_iterator<ushort>{ss}, std::istream_iterator<ushort>{});
QCOMPARE(str, u"23456");
oldCap = str.capacity();
str.assign(std::istream_iterator<ushort>{}, std::istream_iterator<ushort>{}); // empty range
QCOMPARE_EQ(str.capacity(), oldCap);
QCOMPARE_EQ(str.size(), 0);
}
// Test chaining
{