diff options
Diffstat (limited to 'tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp')
| -rw-r--r-- | tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp b/tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp new file mode 100644 index 0000000000..a97cba7c50 --- /dev/null +++ b/tests/benchmarks/corelib/text/qbytearray/tst_bench_qbytearray.cpp @@ -0,0 +1,393 @@ +// Copyright (C) 2021 The Qt Company Ltd. +// Copyright (C) 2016 Intel Corporation. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only +#include <QDebug> +#include <QIODevice> +#include <QFile> +#include <QString> + +#include <qtest.h> +#include <limits> + +class tst_QByteArray : public QObject +{ + Q_OBJECT + QByteArray sourcecode; +private slots: + void initTestCase(); + void append(); + void append_data(); + + void toLongLong_data(); + void toLongLong(); + void toULongLong_data(); + void toULongLong(); + + void latin1Uppercasing_qt54(); + void latin1Uppercasing_xlate(); + void latin1Uppercasing_xlate_checked(); + void latin1Uppercasing_category(); + void latin1Uppercasing_bitcheck(); + + void toPercentEncoding_data(); + void toPercentEncoding(); + + void operator_assign_char(); + void operator_assign_char_data(); +}; + +void tst_QByteArray::initTestCase() +{ + QFile self(QFINDTESTDATA("tst_bench_qbytearray.cpp")); + QVERIFY(self.open(QIODevice::ReadOnly)); + sourcecode = self.readAll(); +} + +void tst_QByteArray::append_data() +{ + QTest::addColumn<int>("size"); + QTest::newRow("1") << int(1); + QTest::newRow("10") << int(10); + QTest::newRow("100") << int(100); + QTest::newRow("1000") << int(1000); + QTest::newRow("10000") << int(10000); + QTest::newRow("100000") << int(100000); + QTest::newRow("1000000") << int(1000000); + QTest::newRow("10000000") << int(10000000); + QTest::newRow("100000000") << int(100000000); +} + +void tst_QByteArray::append() +{ + QFETCH(int, size); + + QByteArray ba; + QBENCHMARK { + QByteArray ba2(size, 'x'); + ba.append(ba2); + ba.clear(); + } +} + +static QByteArray decNext(QByteArray big) +{ + // Increments a decimal digit-string (ignoring sign, so decrements if + // negative); only intended for taking a boundary value just out of range, + // so big is never a string of only 9s (that'd be one less than a power of + // ten, which cannot be a power of two, as odd, or one less than one, as the + // power of ten isn't a power of two). + int i = big.size() - 1; + while (big.at(i) == '9') + big[i--] = '0'; + big[i] += 1; + return big; +} + +void tst_QByteArray::toLongLong_data() +{ + QTest::addColumn<QByteArray>("text"); + QTest::addColumn<bool>("good"); + QTest::addColumn<qlonglong>("number"); +#define ROW(n) QTest::newRow(#n) << QByteArray(#n) << true << n ## LL + ROW(0); + ROW(1); + ROW(-1); + ROW(17); + ROW(-17); + ROW(1234567890); + ROW(-1234567890); +#undef ROW + using LL = std::numeric_limits<qlonglong>; + QTest::newRow("min") << QByteArray::number(LL::min()) << true << LL::min(); + QTest::newRow("min-1") << decNext(QByteArray::number(LL::min())) << false << 0LL; + QTest::newRow("max") << QByteArray::number(LL::max()) << true << LL::max(); + QTest::newRow("max+1") << decNext(QByteArray::number(LL::max())) << false << 0LL; +} + +void tst_QByteArray::toLongLong() +{ + QFETCH(QByteArray, text); + QFETCH(bool, good); + QFETCH(qlonglong, number); + + qlonglong actual = 0; + bool ok; + QBENCHMARK { + actual = text.toLongLong(&ok); + } + QCOMPARE(actual, number); + QCOMPARE(ok, good); +} + +void tst_QByteArray::toULongLong_data() +{ + QTest::addColumn<QByteArray>("text"); + QTest::addColumn<bool>("good"); + QTest::addColumn<qulonglong>("number"); +#define ROW(n) \ + QTest::newRow(#n) << QByteArray(#n) << true << n ## ULL; \ + QTest::newRow("-" #n) << QByteArray("-" #n) << false << 0ULL + ROW(0); + ROW(1); + ROW(17); + ROW(1234567890); +#undef ROW + using ULL = std::numeric_limits<qulonglong>; + QTest::newRow("max") << QByteArray::number(ULL::max()) << true << ULL::max(); + QTest::newRow("max+1") << decNext(QByteArray::number(ULL::max())) << false << 0ULL; +} + +void tst_QByteArray::toULongLong() +{ + QFETCH(QByteArray, text); + QFETCH(bool, good); + QFETCH(qulonglong, number); + + qulonglong actual = 0; + bool ok; + QBENCHMARK { + actual = text.toULongLong(&ok); + } + QCOMPARE(actual, number); + QCOMPARE(ok, good); +} + +void tst_QByteArray::latin1Uppercasing_qt54() +{ + QByteArray s = sourcecode; + s.detach(); + + // the following was copied from qbytearray.cpp (except for the QBENCHMARK macro): + uchar *p_orig = reinterpret_cast<uchar *>(s.data()); + uchar *e = reinterpret_cast<uchar *>(s.end()); + + QBENCHMARK { + uchar *p = p_orig; + if (p) { + while (p != e) { + *p = QChar::toLower((ushort)*p); + p++; + } + } + } +} + + +/* +#!/usr/bin/perl -l +use feature "unicode_strings" +for (0..255) { + $up = uc(chr($_)); + $up = chr($_) if ord($up) > 0x100 || length $up > 1; + printf "0x%02x,", ord($up); + print "" if ($_ & 0xf) == 0xf; +} +*/ +static const uchar uppercased[256] = { + 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f, + 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f, + 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f, + 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f, + 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f, + 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f, + 0x60,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f, + 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5a,0x7b,0x7c,0x7d,0x7e,0x7f, + 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f, + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f, + 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf, + 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf, + 0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf, + 0xd0,0xd1,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xdd,0xde,0xdf, + 0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf, + 0xd0,0xd1,0xd2,0xd3,0xd4,0xd5,0xd6,0xf7,0xd8,0xd9,0xda,0xdb,0xdc,0xdd,0xde,0xff +}; +void tst_QByteArray::latin1Uppercasing_xlate() +{ + QByteArray output = sourcecode; + output.detach(); + char *dst_orig = output.data(); + const char *src_orig = sourcecode.constBegin(); + const char *end = sourcecode.constEnd(); + QBENCHMARK { + char *dst = dst_orig; + for (const char *src = src_orig; src != end; ++src, ++dst) + *dst = uppercased[uchar(*src)]; + } +} + +void tst_QByteArray::latin1Uppercasing_xlate_checked() +{ + QByteArray output = sourcecode; + output.detach(); + char *dst_orig = output.data(); + const char *src_orig = sourcecode.constBegin(); + const char *end = sourcecode.constEnd(); + QBENCHMARK { + char *dst = dst_orig; + for (const char *src = src_orig; src != end; ++src, ++dst) { + uchar ch = uchar(*src); + uchar converted = uppercased[ch]; + if (ch != converted) + *dst = converted; + } + } +} + +/* +#!/bin/perl -l +use feature "unicode_strings"; +sub categorize($) { + # 'ß' and 'ÿ' are lowercase, but we cannot uppercase them + return 0 if $_[0] == 0xDF || $_[0] == 0xFF; + $ch = chr($_[0]); + return 2 if uc($ch) ne $ch; + return 1 if lc($ch) ne $ch; + return 0; +} +for (0..255) { + printf "%d,", categorize($_); + print "" if ($_ & 0xf) == 0xf; +} +*/ +static const char categories[256] = { + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0, + 0,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, + 2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,0, + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, + 2,2,2,2,2,2,2,0,2,2,2,2,2,2,2,0 +}; + +void tst_QByteArray::latin1Uppercasing_category() +{ + QByteArray output = sourcecode; + output.detach(); + char *dst_orig = output.data(); + const char *src_orig = sourcecode.constBegin(); + const char *end = sourcecode.constEnd(); + QBENCHMARK { + char *dst = dst_orig; + for (const char *src = src_orig; src != end; ++src, ++dst) + *dst = categories[uchar(*src)] == 1 ? *src & ~0x20 : *src; + } +} + +/* +#!/bin/perl -l +use feature "unicode_strings"; +sub categorize($) { + # 'ß' and 'ÿ' are lowercase, but we cannot uppercase them + return 0 if $_[0] == 0xDF || $_[0] == 0xFF; + $ch = chr($_[0]); + return 2 if uc($ch) ne $ch; + return 1 if lc($ch) ne $ch; + return 0; +} +for $row (0..7) { + $val = 0; + for $col (0..31) { + $val |= (1<<$col) + if categorize($row * 31 + $col) == 2; + } + printf "0x%08x,", $val; +} +*/ + +static const quint32 shouldUppercase[8] = { + 0x00000000,0x00000000,0x00000000,0x3ffffff0,0x00000000,0x04000000,0x00000000,0xbfffff80 +}; + +static bool bittest(const quint32 *data, uchar bit) +{ + static const unsigned bitsperelem = sizeof(*data) * CHAR_BIT; + return data[bit / bitsperelem] & (1 << (bit & (bitsperelem - 1))); +} + +void tst_QByteArray::latin1Uppercasing_bitcheck() +{ + QByteArray output = sourcecode; + output.detach(); + char *dst_orig = output.data(); + const char *src_orig = sourcecode.constBegin(); + const char *end = sourcecode.constEnd(); + QBENCHMARK { + char *dst = dst_orig; + for (const char *src = src_orig; src != end; ++src, ++dst) + *dst = bittest(shouldUppercase, *src) ? uchar(*src) & ~0x20 : uchar(*src); + } +} + +void tst_QByteArray::toPercentEncoding_data() +{ + QTest::addColumn<QByteArray>("plaintext"); + QTest::addColumn<QByteArray>("expected"); + + QTest::newRow("empty") << QByteArray("") << QByteArray(""); + QTest::newRow("plain") + << QByteArray("the quick brown fox jumped over the lazy dogs") + << QByteArray("the%20quick%20brown%20fox%20jumped%20over%20the%20lazy%20dogs"); + QTest::newRow("specials") + << QByteArray( + "\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15" + "\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !\"#$%&'()*+,/:;<=>?@[\\]^`{|}\x7f") + << QByteArray( + "%01%02%03%04%05%06%07%08%09%0A%0B%0C%0D%0E%0F%10%11%12%13%14%15%16%17%18" + "%19%1A%1B%1C%1D%1E%1F%20%21%22%23%24%25%26%27%28%29%2A%2B%2C%2F%3A%3B%3C" + "%3D%3E%3F%40%5B%5C%5D%5E%60%7B%7C%7D%7F"); +} + +void tst_QByteArray::toPercentEncoding() +{ + QFETCH(QByteArray, plaintext); + QByteArray encoded; + QBENCHMARK { + encoded = plaintext.toPercentEncoding(); + } + QTEST(encoded, "expected"); +} + +void tst_QByteArray::operator_assign_char() +{ + QFETCH(QByteArray, data); + QString str(data.size(), Qt::Uninitialized); + + const char *tdata = data.constData(); + QBENCHMARK { + str.operator=(tdata); + } +} + +void tst_QByteArray::operator_assign_char_data() +{ + QTest::addColumn<QByteArray>("data"); + + QByteArray data; + data.fill('a', 5); + QTest::newRow("length: 5") << data; + data.fill('b', 10); + QTest::newRow("length: 10") << data; + data.fill('c', 20); + QTest::newRow("length: 20") << data; + data.fill('d', 50); + QTest::newRow("length: 50") << data; + data.fill('e', 100); + QTest::newRow("length: 100") << data; + data.fill('f', 500); + QTest::newRow("length: 500") << data; + data.fill('g', 1'000); + QTest::newRow("length: 1'000") << data; +} + +QTEST_MAIN(tst_QByteArray) + +#include "tst_bench_qbytearray.moc" |