File: ClientHintsPreferencesTest.cpp

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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "core/fetch/ClientHintsPreferences.h"

#include "testing/gtest/include/gtest/gtest.h"

namespace blink {

class ClientHintsPreferencesTest : public ::testing::Test {};

TEST_F(ClientHintsPreferencesTest, Basic) {
  struct TestCase {
    const char* headerValue;
    bool expectationResourceWidth;
    bool expectationDPR;
    bool expectationViewportWidth;
  } cases[] = {
      {"width, dpr, viewportWidth", true, true, false},
      {"WiDtH, dPr,     viewport-width", true, true, true},
      {"WIDTH, DPR, VIWEPROT-Width", true, true, false},
      {"VIewporT-Width, wutwut, width", true, false, true},
      {"dprw", false, false, false},
      {"DPRW", false, false, false},
  };

  for (const auto& testCase : cases) {
    ClientHintsPreferences preferences;
    const char* value = testCase.headerValue;

    preferences.updateFromAcceptClientHintsHeader(value, nullptr);
    EXPECT_EQ(testCase.expectationResourceWidth,
              preferences.shouldSendResourceWidth());
    EXPECT_EQ(testCase.expectationDPR, preferences.shouldSendDPR());
    EXPECT_EQ(testCase.expectationViewportWidth,
              preferences.shouldSendViewportWidth());
  }
}

}  // namespace blink