tor-browser

The Tor Browser
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StyloParsingBench.cpp (4144B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "ExampleStylesheet.h"
      8 #include "ReferrerInfo.h"
      9 #include "ServoBindings.h"
     10 #include "gtest/MozGTestBench.h"
     11 #include "gtest/gtest.h"
     12 #include "mozilla/Encoding.h"
     13 #include "mozilla/NullPrincipal.h"
     14 #include "mozilla/Utf8.h"
     15 #include "mozilla/css/SheetParsingMode.h"
     16 #include "nsCSSValue.h"
     17 #include "nsString.h"
     18 
     19 using namespace mozilla;
     20 using namespace mozilla::css;
     21 using namespace mozilla::dom;
     22 using namespace mozilla::net;
     23 
     24 // Bug 1436018 - Disable Stylo microbenchmark on Windows
     25 #if !defined(_WIN32) && !defined(_WIN64)
     26 
     27 #  define PARSING_REPETITIONS 20
     28 #  define SETPROPERTY_REPETITIONS (1000 * 1000)
     29 #  define GETPROPERTY_REPETITIONS (1000 * 1000)
     30 
     31 static void ServoParsingBench() {
     32  auto css = AsBytes(MakeStringSpan(EXAMPLE_STYLESHEET));
     33  nsCString cssStr;
     34  cssStr.Append(css);
     35  ASSERT_EQ(Encoding::UTF8ValidUpTo(css), css.Length());
     36 
     37  RefPtr<nsIURI> uri = NullPrincipal::CreateURI();
     38  nsCOMPtr<nsIReferrerInfo> referrerInfo = new ReferrerInfo(nullptr);
     39  RefPtr<URLExtraData> data =
     40      new URLExtraData(uri.forget(), referrerInfo.forget(),
     41                       NullPrincipal::CreateWithoutOriginAttributes());
     42  for (int i = 0; i < PARSING_REPETITIONS; i++) {
     43    RefPtr<StyleStylesheetContents> stylesheet =
     44        Servo_StyleSheet_FromUTF8Bytes(
     45            nullptr, nullptr, nullptr, &cssStr, eAuthorSheetFeatures, data,
     46            eCompatibility_FullStandards, nullptr, StyleAllowImportRules::Yes,
     47            StyleSanitizationKind::None, nullptr)
     48            .Consume();
     49  }
     50 }
     51 
     52 static constexpr auto STYLE_RULE = StyleCssRuleType::Style;
     53 
     54 static void ServoSetPropertyByIdBench(const nsACString& css) {
     55  RefPtr<StyleLockedDeclarationBlock> block =
     56      Servo_DeclarationBlock_CreateEmpty().Consume();
     57  RefPtr<nsIURI> uri = NullPrincipal::CreateURI();
     58  nsCOMPtr<nsIReferrerInfo> referrerInfo = new ReferrerInfo(nullptr);
     59  RefPtr<URLExtraData> data =
     60      new URLExtraData(uri.forget(), referrerInfo.forget(),
     61                       NullPrincipal::CreateWithoutOriginAttributes());
     62  ASSERT_TRUE(IsUtf8(css));
     63 
     64  for (int i = 0; i < SETPROPERTY_REPETITIONS; i++) {
     65    Servo_DeclarationBlock_SetPropertyById(
     66        block, eCSSProperty_width, &css,
     67        /* is_important = */ false, data, StyleParsingMode::DEFAULT,
     68        eCompatibility_FullStandards, nullptr, STYLE_RULE, {});
     69  }
     70 }
     71 
     72 static void ServoGetPropertyValueByNonCustomId() {
     73  RefPtr<StyleLockedDeclarationBlock> block =
     74      Servo_DeclarationBlock_CreateEmpty().Consume();
     75 
     76  RefPtr<nsIURI> uri = NullPrincipal::CreateURI();
     77  nsCOMPtr<nsIReferrerInfo> referrerInfo = new ReferrerInfo(nullptr);
     78  RefPtr<URLExtraData> data =
     79      new URLExtraData(uri.forget(), referrerInfo.forget(),
     80                       NullPrincipal::CreateWithoutOriginAttributes());
     81  constexpr auto css_ = "10px"_ns;
     82  const nsACString& css = css_;
     83  Servo_DeclarationBlock_SetPropertyById(
     84      block, eCSSProperty_width, &css,
     85      /* is_important = */ false, data, StyleParsingMode::DEFAULT,
     86      eCompatibility_FullStandards, nullptr, STYLE_RULE, {});
     87 
     88  for (int i = 0; i < GETPROPERTY_REPETITIONS; i++) {
     89    nsAutoCString value;
     90    Servo_DeclarationBlock_GetPropertyValueByNonCustomId(
     91        block, eCSSProperty_width, &value);
     92    ASSERT_TRUE(value.EqualsLiteral("10px"));
     93  }
     94 }
     95 
     96 MOZ_GTEST_BENCH(Stylo, Servo_StyleSheet_FromUTF8Bytes_Bench,
     97                [] { ServoParsingBench(); });
     98 
     99 MOZ_GTEST_BENCH(Stylo, Servo_DeclarationBlock_SetPropertyById_Bench,
    100                [] { ServoSetPropertyByIdBench("10px"_ns); });
    101 
    102 MOZ_GTEST_BENCH(Stylo,
    103                Servo_DeclarationBlock_SetPropertyById_WithInitialSpace_Bench,
    104                [] { ServoSetPropertyByIdBench(" 10px"_ns); });
    105 
    106 MOZ_GTEST_BENCH(Stylo, Servo_DeclarationBlock_GetPropertyById_Bench,
    107                ServoGetPropertyValueByNonCustomId);
    108 
    109 #endif