diff options
Diffstat (limited to 'tests/benchmarks/qstringbuilder/main.cpp')
| -rw-r--r-- | tests/benchmarks/qstringbuilder/main.cpp | 252 |
1 files changed, 186 insertions, 66 deletions
diff --git a/tests/benchmarks/qstringbuilder/main.cpp b/tests/benchmarks/qstringbuilder/main.cpp index 8eb4e78..8b769a6 100644 --- a/tests/benchmarks/qstringbuilder/main.cpp +++ b/tests/benchmarks/qstringbuilder/main.cpp @@ -1,17 +1,66 @@ -#include "qstringbuilder.h" +// Select one of the scenarios below +#define SCENARIO 1 + +#if SCENARIO == 1 +// this is the "no harm done" version. Only operator% is active, +// with NO_CAST * defined +#define P % +#undef QT_USE_FAST_OPERATOR_PLUS +#undef QT_USE_FAST_CONCATENATION +#define QT_NO_CAST_FROM_ASCII +#define QT_NO_CAST_TO_ASCII +#endif + + +#if SCENARIO == 2 +// this is the "full" version. Operator+ is replaced by a QStringBuilder +// based version +// with NO_CAST * defined +#define P + +#define QT_USE_FAST_OPERATOR_PLUS +#define QT_USE_FAST_CONCATENATION +#define QT_NO_CAST_FROM_ASCII +#define QT_NO_CAST_TO_ASCII +#endif + +#if SCENARIO == 3 +// this is the "no harm done" version. Only operator% is active, +// with NO_CAST * _not_ defined +#define P % +#undef QT_USE_FAST_OPERATOR_PLUS +#undef QT_USE_FAST_CONCATENATION +#undef QT_NO_CAST_FROM_ASCII +#undef QT_NO_CAST_TO_ASCII +#endif + +#if SCENARIO == 4 +// this is the "full" version. Operator+ is replaced by a QStringBuilder +// based version +// with NO_CAST * _not_ defined +#define P + +#define QT_USE_FAST_OPERATOR_PLUS +#define QT_USE_FAST_CONCATENATION +#undef QT_NO_CAST_FROM_ASCII +#undef QT_NO_CAST_TO_ASCII +#endif -#include <QDebug> -#include <QString> + +#include <qbytearray.h> +#include <qdebug.h> +#include <qstring.h> +#include <qstringbuilder.h> #include <qtest.h> +#include <string> #define COMPARE(a, b) QCOMPARE(a, b) //#define COMPARE(a, b) #define SEP(s) qDebug() << "\n\n-------- " s " ---------"; -#define L(s) QLatin1String(s) + +#define LITERAL "some string literal" class tst_qstringbuilder : public QObject { @@ -19,12 +68,17 @@ class tst_qstringbuilder : public QObject public: tst_qstringbuilder() - : l1literal("some string literal"), - l1string("some string literal"), - ba("some string literal"), + : l1literal(LITERAL), + l1string(LITERAL), + ba(LITERAL), string(l1string), + stdstring(LITERAL), stringref(&string, 2, 10), - achar('c') + achar('c'), + r2(QLatin1String(LITERAL LITERAL)), + r3(QLatin1String(LITERAL LITERAL LITERAL)), + r4(QLatin1String(LITERAL LITERAL LITERAL LITERAL)), + r5(QLatin1String(LITERAL LITERAL LITERAL LITERAL LITERAL)) {} @@ -51,10 +105,10 @@ public: int s = 0; for (int i = 0; i < N; ++i) { #if 0 - s += QString(l1literal % l1literal).size(); - s += QString(l1literal % l1literal % l1literal).size(); - s += QString(l1literal % l1literal % l1literal % l1literal).size(); - s += QString(l1literal % l1literal % l1literal % l1literal % l1literal).size(); + s += QString(l1literal P l1literal).size(); + s += QString(l1literal P l1literal P l1literal).size(); + s += QString(l1literal P l1literal P l1literal P l1literal).size(); + s += QString(l1literal P l1literal P l1literal P l1literal P l1literal).size(); #endif s += QString(achar % l1literal % achar).size(); } @@ -64,31 +118,42 @@ public: private slots: void separator_0() { - qDebug() << "\nIn each block the QStringBuilder based result appear first, " - "QStringBased second.\n"; + qDebug() << "\nIn each block the QStringBuilder based result appear first " + "(with a 'b_' prefix), QStringBased second ('q_' prefix), std::string " + "last ('s_' prefix)\n"; } void separator_1() { SEP("literal + literal (builder first)"); } void b_2_l1literal() { - QBENCHMARK { r = l1literal % l1literal; } - COMPARE(r, QString(l1string + l1string)); + QBENCHMARK { r = l1literal P l1literal; } + COMPARE(r, r2); } - void s_2_l1string() { + #ifndef QT_NO_CAST_FROM_ASCII + void b_l1literal_LITERAL() { + QBENCHMARK { r = l1literal P LITERAL; } + COMPARE(r, r2); + } + #endif + void q_2_l1string() { QBENCHMARK { r = l1string + l1string; } - COMPARE(r, QString(l1literal % l1literal)); + COMPARE(r, r2); } void separator_2() { SEP("2 strings"); } void b_2_string() { - QBENCHMARK { r = string % string; } - COMPARE(r, QString(string + string)); + QBENCHMARK { r = string P string; } + COMPARE(r, r2); } - void s_2_string() { + void q_2_string() { QBENCHMARK { r = string + string; } - COMPARE(r, QString(string % string)); + COMPARE(r, r2); + } + void s_2_string() { + QBENCHMARK { stdr = stdstring + stdstring; } + COMPARE(stdr, stdstring + stdstring); } @@ -98,7 +163,7 @@ private slots: QBENCHMARK { r = stringref % stringref; } COMPARE(r, QString(stringref.toString() + stringref.toString())); } - void s_2_stringref() { + void q_2_stringref() { QBENCHMARK { r = stringref.toString() + stringref.toString(); } COMPARE(r, QString(stringref % stringref)); } @@ -107,69 +172,107 @@ private slots: void separator_2b() { SEP("3 strings"); } void b_3_string() { - QBENCHMARK { r = string % string % string; } - COMPARE(r, QString(string + string + string)); + QBENCHMARK { r = string P string P string; } + COMPARE(r, r3); } - void s_3_string() { + void q_3_string() { QBENCHMARK { r = string + string + string; } - COMPARE(r, QString(string % string % string)); + COMPARE(r, r3); + } + void s_3_string() { + QBENCHMARK { stdr = stdstring + stdstring + stdstring; } + COMPARE(stdr, stdstring + stdstring + stdstring); } + void separator_2e() { SEP("4 strings"); } + + void b_4_string() { + QBENCHMARK { r = string P string P string P string; } + COMPARE(r, r4); + } + void q_4_string() { + QBENCHMARK { r = string + string + string + string; } + COMPARE(r, r4); + } + void s_4_string() { + QBENCHMARK { stdr = stdstring + stdstring + stdstring + stdstring; } + COMPARE(stdr, stdstring + stdstring + stdstring + stdstring); + } + + void separator_2a() { SEP("string + literal (builder first)"); } void b_string_l1literal() { QBENCHMARK { r = string % l1literal; } - COMPARE(r, QString(string + l1string)); + COMPARE(r, r2); + } + #ifndef QT_NO_CAST_FROM_ASCII + void b_string_LITERAL() { + QBENCHMARK { r = string P LITERAL; } + COMPARE(r, r2); + } + void b_LITERAL_string() { + QBENCHMARK { r = LITERAL P string; } + COMPARE(r, r2); } + #endif void b_string_l1string() { - QBENCHMARK { r = string % l1string; } - COMPARE(r, QString(string + l1string)); + QBENCHMARK { r = string P l1string; } + COMPARE(r, r2); } - void s_string_l1literal() { + void q_string_l1literal() { QBENCHMARK { r = string + l1string; } - COMPARE(r, QString(string % l1literal)); + COMPARE(r, r2); } - void s_string_l1string() { + void q_string_l1string() { QBENCHMARK { r = string + l1string; } - COMPARE(r, QString(string % l1literal)); + COMPARE(r, r2); + } + void s_LITERAL_string() { + QBENCHMARK { stdr = LITERAL + stdstring; } + COMPARE(stdr, stdstring + stdstring); } void separator_3() { SEP("3 literals"); } void b_3_l1literal() { - QBENCHMARK { r = l1literal % l1literal % l1literal; } - COMPARE(r, QString(l1string + l1string + l1string)); + QBENCHMARK { r = l1literal P l1literal P l1literal; } + COMPARE(r, r3); } - void s_3_l1string() { + void q_3_l1string() { QBENCHMARK { r = l1string + l1string + l1string; } - COMPARE(r, QString(l1literal % l1literal % l1literal)); + COMPARE(r, r3); + } + void s_3_l1string() { + QBENCHMARK { stdr = stdstring + LITERAL + LITERAL; } + COMPARE(stdr, stdstring + stdstring + stdstring); } void separator_4() { SEP("4 literals"); } void b_4_l1literal() { - QBENCHMARK { r = l1literal % l1literal % l1literal % l1literal; } - COMPARE(r, QString(l1string + l1string + l1string + l1string)); + QBENCHMARK { r = l1literal P l1literal P l1literal P l1literal; } + COMPARE(r, r4); } - void s_4_l1string() { + void q_4_l1string() { QBENCHMARK { r = l1string + l1string + l1string + l1string; } - COMPARE(r, QString(l1literal % l1literal % l1literal % l1literal)); + COMPARE(r, r4); } void separator_5() { SEP("5 literals"); } void b_5_l1literal() { - QBENCHMARK { r = l1literal % l1literal % l1literal % l1literal %l1literal; } - COMPARE(r, QString(l1string + l1string + l1string + l1string + l1string)); + QBENCHMARK { r = l1literal P l1literal P l1literal P l1literal P l1literal; } + COMPARE(r, r5); } - void s_5_l1string() { + void q_5_l1string() { QBENCHMARK { r = l1string + l1string + l1string + l1string + l1string; } - COMPARE(r, QString(l1literal % l1literal % l1literal % l1literal % l1literal)); + COMPARE(r, r5); } @@ -177,12 +280,17 @@ private slots: void b_string_4_char() { QBENCHMARK { r = string + achar + achar + achar + achar; } - COMPARE(r, QString(string % achar % achar % achar % achar)); + COMPARE(r, QString(string P achar P achar P achar P achar)); } - void s_string_4_char() { + void q_string_4_char() { QBENCHMARK { r = string + achar + achar + achar + achar; } - COMPARE(r, QString(string % achar % achar % achar % achar)); + COMPARE(r, QString(string P achar P achar P achar P achar)); + } + + void s_string_4_char() { + QBENCHMARK { stdr = stdstring + 'c' + 'c' + 'c' + 'c'; } + COMPARE(stdr, stdstring + 'c' + 'c' + 'c' + 'c'); } @@ -190,29 +298,35 @@ private slots: void b_char_string_char() { QBENCHMARK { r = achar + string + achar; } - COMPARE(r, QString(achar % string % achar)); + COMPARE(r, QString(achar P string P achar)); } - void s_char_string_char() { + void q_char_string_char() { QBENCHMARK { r = achar + string + achar; } - COMPARE(r, QString(achar % string % achar)); + COMPARE(r, QString(achar P string P achar)); } + void s_char_string_char() { + QBENCHMARK { stdr = 'c' + stdstring + 'c'; } + COMPARE(stdr, 'c' + stdstring + 'c'); + } + + void separator_8() { SEP("string.arg"); } void b_string_arg() { - const QString pattern = l1string + QLatin1String("%1") + l1string; - QBENCHMARK { r = l1literal % string % l1literal; } - COMPARE(r, QString(l1string + string + l1string)); + const QString pattern = l1string + QString::fromLatin1("%1") + l1string; + QBENCHMARK { r = l1literal P string P l1literal; } + COMPARE(r, r3); } - void s_string_arg() { + void q_string_arg() { const QString pattern = l1string + QLatin1String("%1") + l1string; QBENCHMARK { r = pattern.arg(string); } - COMPARE(r, QString(l1string + string + l1string)); + COMPARE(r, r3); } - void s_bytearray_arg() { + void q_bytearray_arg() { QByteArray result; QBENCHMARK { result = ba + ba + ba; } } @@ -223,16 +337,16 @@ private slots: void b_reserve() { QBENCHMARK { r.clear(); - r = string % string % string % string; + r = string P string P string P string; } - COMPARE(r, QString(string + string + string + string)); + COMPARE(r, r4); } void b_reserve_lit() { QBENCHMARK { r.clear(); - r = string % l1literal % string % string; + r = string P l1literal P string P string; } - COMPARE(r, QString(string + string + string + string)); + COMPARE(r, r4); } void s_reserve() { QBENCHMARK { @@ -243,7 +357,7 @@ private slots: r += string; r += string; } - COMPARE(r, QString(string + string + string + string)); + COMPARE(r, r4); } void s_reserve_lit() { QBENCHMARK { @@ -256,7 +370,7 @@ private slots: r += string; r += string; } - COMPARE(r, QString(string + string + string + string)); + COMPARE(r, r4); } private: @@ -264,10 +378,14 @@ private: const QLatin1String l1string; const QByteArray ba; const QString string; + const std::string stdstring; const QStringRef stringref; const QLatin1Char achar; + const QString r2, r3, r4, r5; + // short cuts for results QString r; + std::string stdr; }; @@ -280,12 +398,14 @@ int main(int argc, char *argv[]) //QString("x") % 2; // Sanity test, should only compile when the // operator%(QString, int) is visible. - if (argc == 2 && (argv[1] == L("--run-builder") || argv[1] == L("-b"))) { + if (argc == 2 && (QLatin1String(argv[1]) == QLatin1String("--run-builder") + || QLatin1String(argv[1]) == QLatin1String("-b"))) { tst_qstringbuilder test; return test.run_builder(); } - if (argc == 2 && (argv[1] == L("--run-traditional") || argv[1] == L("-t"))) { + if (argc == 2 && (QLatin1String(argv[1]) == QLatin1String("--run-traditional") + || QLatin1String(argv[1]) == QLatin1String("-t"))) { tst_qstringbuilder test; return test.run_traditional(); } |