diff options
Diffstat (limited to 'tests/auto/corelib/tools/qstring')
-rw-r--r-- | tests/auto/corelib/tools/qstring/tst_qstring.cpp | 69 |
1 files changed, 67 insertions, 2 deletions
diff --git a/tests/auto/corelib/tools/qstring/tst_qstring.cpp b/tests/auto/corelib/tools/qstring/tst_qstring.cpp index 641ca0d25e..6df9ad7cdf 100644 --- a/tests/auto/corelib/tools/qstring/tst_qstring.cpp +++ b/tests/auto/corelib/tools/qstring/tst_qstring.cpp @@ -352,7 +352,7 @@ private slots: void replace_qchar_qstring(); void replace_uint_uint_data(); void replace_uint_uint(); - void replace_uint_uint_extra(); + void replace_extra(); void replace_string_data(); void replace_string(); void replace_regexp_data(); @@ -475,6 +475,8 @@ private slots: void sprintfS(); void fill(); void truncate(); + void chop_data(); + void chop(); void constructor(); void constructorQByteArray_data(); void constructorQByteArray(); @@ -1211,6 +1213,31 @@ void tst_QString::truncate() } +void tst_QString::chop_data() +{ + QTest::addColumn<QString>("input"); + QTest::addColumn<int>("count" ); + QTest::addColumn<QString>("result"); + + const QString original("abcd"); + + QTest::newRow("data0") << original << 1 << QString("abc"); + QTest::newRow("data1") << original << 0 << original; + QTest::newRow("data2") << original << -1 << original; + QTest::newRow("data3") << original << original.size() << QString(); + QTest::newRow("data4") << original << 1000 << QString(); +} + +void tst_QString::chop() +{ + QFETCH(QString, input); + QFETCH(int, count); + QFETCH(QString, result); + + input.chop(count); + QCOMPARE(input, result); +} + void tst_QString::fill() { QString e; @@ -2776,7 +2803,7 @@ void tst_QString::replace_uint_uint() } } -void tst_QString::replace_uint_uint_extra() +void tst_QString::replace_extra() { /* This test is designed to be extremely slow if QString::replace() doesn't optimize the case @@ -2813,6 +2840,44 @@ void tst_QString::replace_uint_uint_extra() QString str5("abcdefghij"); str5.replace(8, 10, str5); QCOMPARE(str5, QString("abcdefghabcdefghij")); + + // Replacements using only part of the string modified: + QString str6("abcdefghij"); + str6.replace(1, 8, str6.constData() + 3, 3); + QCOMPARE(str6, QString("adefj")); + + QString str7("abcdefghibcdefghij"); + str7.replace(str7.constData() + 1, 6, str7.constData() + 2, 3); + QCOMPARE(str7, QString("acdehicdehij")); + + const int many = 1024; + /* + QS::replace(const QChar *, int, const QChar *, int, Qt::CaseSensitivity) + does its replacements in batches of many (please keep in sync with any + changes to batch size), which lead to misbehaviour if ether QChar * array + was part of the data being modified. + */ + QString str8("abcdefg"), ans8("acdeg"); + { + // Make str8 and ans8 repeat themselves many + 1 times: + int i = many; + QString big(str8), small(ans8); + while (i && !(i & 1)) { // Exploit many being a power of 2: + big += big; + small += small; + i >>= 1; + } + while (i-- > 0) { + str8 += big; + ans8 += small; + } + } + str8.replace(str8.constData() + 1, 5, str8.constData() + 2, 3); + // Pre-test the bit where the diff happens, so it gets displayed: + QCOMPARE(str8.mid((many - 3) * 5), ans8.mid((many - 3) * 5)); + // Also check the full values match, of course: + QCOMPARE(str8.size(), ans8.size()); + QCOMPARE(str8, ans8); } void tst_QString::replace_string() |