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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/string_number_conversions.h"
#include "base/time/time.h"
#include "base/timer/lap_timer.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/perf/perf_result_reporter.h"
#include "third_party/blink/renderer/platform/fonts/font.h"
#include "third_party/blink/renderer/platform/fonts/font_description.h"
#include "third_party/blink/renderer/platform/testing/font_test_helpers.h"
#include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
using blink::test::CreateTestFont;
namespace blink {
static const int kTimeLimitMillis = 3000;
static const int kWarmupRuns = 10000;
static const int kTimeCheckInterval = 1000000;
namespace {
constexpr char kMetricPrefixOffsetForPosition[] = "OffsetForPosition.";
constexpr char kMetricPrefixCharacterRange[] = "CharacterRange.";
constexpr char kMetricThroughput[] = "throughput";
} // namespace
class ShapeResultPerfTest {
USING_FAST_MALLOC(ShapeResultPerfTest);
public:
enum FontName {
kAhem,
kAmiri,
kMegalopolis,
kRoboto,
};
ShapeResultPerfTest()
: timer(kWarmupRuns,
base::Milliseconds(kTimeLimitMillis),
kTimeCheckInterval) {}
protected:
Font* CreateFont(FontName font_name) {
FontDescription::VariantLigatures ligatures(
FontDescription::kEnabledLigaturesState);
return CreateTestFont(
AtomicString("TestFont"),
test::PlatformTestDataPath(font_path.find(font_name)->value), 100,
&ligatures);
}
TextRun CreateRun(const String& text, bool ltr) {
return TextRun(text, ltr ? TextDirection::kLtr : TextDirection::kRtl,
false);
}
void ReportResult(const std::string& metric_prefix,
const std::string& story_prefix) {
std::string story = story_prefix + "_" + param_string;
perf_test::PerfResultReporter reporter(metric_prefix, story);
reporter.RegisterImportantMetric(kMetricThroughput, "runs/s");
reporter.AddResult(kMetricThroughput, timer.LapsPerSecond());
}
HashMap<FontName, String> font_path = {
{kAhem, "Ahem.woff"},
{kAmiri, "third_party/Amiri/amiri_arabic.woff2"},
{kMegalopolis, "third_party/MEgalopolis/MEgalopolisExtra.woff"},
{kRoboto, "third_party/Roboto/roboto-regular.woff2"},
};
base::LapTimer timer;
std::string param_string;
};
class OffsetForPositionPerfTest : public ShapeResultPerfTest,
public testing::TestWithParam<float> {
public:
void OffsetForPosition(const Font& font,
TextRun& run,
IncludePartialGlyphsOption partial,
BreakGlyphsOption breakopt) {
timer.Reset();
float position = GetParam();
param_string = base::NumberToString(position);
do {
font.DeprecatedOffsetForPosition(run, position, partial, breakopt);
timer.NextLap();
} while (!timer.HasTimeLimitExpired());
}
protected:
void ReportResult(const std::string& story_prefix) {
ShapeResultPerfTest::ReportResult(kMetricPrefixOffsetForPosition,
story_prefix);
}
};
class CharacterRangePerfTest : public ShapeResultPerfTest,
public testing::TestWithParam<int> {
public:
void GetCharacter(const Font& font, TextRun& run) {
timer.Reset();
int endpos = GetParam();
param_string = base::NumberToString(endpos);
do {
font.DeprecatedSelectionRectForText(run, gfx::PointF(), 100, 0, endpos);
timer.NextLap();
} while (!timer.HasTimeLimitExpired());
}
protected:
void ReportResult(const std::string& story_prefix) {
ShapeResultPerfTest::ReportResult(kMetricPrefixCharacterRange,
story_prefix);
}
};
TEST_P(OffsetForPositionPerfTest, LTROffsetForPositionFullBreak) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("FURACOLO", true);
OffsetForPosition(*font, run, kOnlyFullGlyphs, BreakGlyphsOption(true));
ReportResult("LTR_full_break");
}
TEST_P(OffsetForPositionPerfTest, LTROffsetForPositionFullDontBreak) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("FURACOLO", true);
OffsetForPosition(*font, run, kOnlyFullGlyphs, BreakGlyphsOption(false));
ReportResult("LTR_full");
}
TEST_P(OffsetForPositionPerfTest, LTROffsetForPositionIncludePartialBreak) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("FURACOLO", true);
OffsetForPosition(*font, run, kIncludePartialGlyphs, BreakGlyphsOption(true));
ReportResult("LTR_partial_break");
}
TEST_P(OffsetForPositionPerfTest, LTROffsetForPositionIncludePartialDontBreak) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("FURACOLO", true);
OffsetForPosition(*font, run, kIncludePartialGlyphs,
BreakGlyphsOption(false));
ReportResult("LTR_partial");
}
TEST_P(OffsetForPositionPerfTest, RTLOffsetForPositionFullBreak) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("OLOCARUF", false);
OffsetForPosition(*font, run, kOnlyFullGlyphs, BreakGlyphsOption(true));
ReportResult("RTL_full_break");
}
TEST_P(OffsetForPositionPerfTest, RTLOffsetForPositionFullDontBreak) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("OLOCARUF", false);
OffsetForPosition(*font, run, kOnlyFullGlyphs, BreakGlyphsOption(false));
ReportResult("RTL_full");
}
TEST_P(OffsetForPositionPerfTest, RTLOffsetForPositionIncludePartialBreak) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("OLOCARUF", false);
OffsetForPosition(*font, run, kIncludePartialGlyphs, BreakGlyphsOption(true));
ReportResult("RTL_partial_break");
}
TEST_P(OffsetForPositionPerfTest, RTLOffsetForPositionIncludePartialDontBreak) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("OLOCARUF", false);
OffsetForPosition(*font, run, kIncludePartialGlyphs,
BreakGlyphsOption(false));
ReportResult("RTL_partial");
}
INSTANTIATE_TEST_SUITE_P(OffsetForPosition,
OffsetForPositionPerfTest,
testing::Values(0, 10, 60, 100, 200, 350));
TEST_P(CharacterRangePerfTest, LTRCharacterForPosition) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("FURACOLO", true);
GetCharacter(*font, run);
ReportResult("LTR");
}
TEST_P(CharacterRangePerfTest, RTLCharacterForPosition) {
Font* font = CreateFont(kAhem);
TextRun run = CreateRun("OLOCARUF", false);
GetCharacter(*font, run);
ReportResult("RTL");
}
INSTANTIATE_TEST_SUITE_P(CharacterRange,
CharacterRangePerfTest,
testing::Values(0, 1, 2, 4, 8));
} // namespace blink
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