components/viz/common/surfaces/local_surface_id_unittest.cc

// Copyright 2018 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 "components/viz/common/surfaces/local_surface_id.h"

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

// Verifying that Local_Surface_Id::ToString() prints its corresponding
// UnguessableToken as ABCD... if logging is not verbose and prints full
// 16-character token otherwise.
TEST(LocalSurfaceIdTest, VerifyToString) {
  const base::UnguessableToken token =
      base::UnguessableToken::Deserialize(0x111111, 0);
  const base::UnguessableToken big_token =
      base::UnguessableToken::Deserialize(0x123456789, 0xABCABCABC);
  const base::UnguessableToken small_token =
      base::UnguessableToken::Deserialize(0, 0x1);
  const viz::LocalSurfaceId local_surface_id(11, 22, token);
  const viz::LocalSurfaceId big_local_surface_id(11, 22, big_token);
  const viz::LocalSurfaceId small_local_surface_id(11, 22, small_token);

  const std::string verbose_expected =
      "LocalSurfaceId(11, 22, " + token.ToString() + ")";
  const std::string brief_expected =
      "LocalSurfaceId(11, 22, " + token.ToString().substr(0, 4) + "...)";

  const std::string big_verbose_expected =
      "LocalSurfaceId(11, 22, " + big_token.ToString() + ")";
  const std::string big_brief_expected =
      "LocalSurfaceId(11, 22, " + big_token.ToString().substr(0, 4) + "...)";

  const std::string small_verbose_expected =
      "LocalSurfaceId(11, 22, " + small_token.ToString() + ")";
  const std::string small_brief_expected =
      "LocalSurfaceId(11, 22, " + small_token.ToString().substr(0, 4) + "...)";

  int previous_log_lvl = logging::GetMinLogLevel();

  // When |g_min_log_level| is set to LOG_VERBOSE we expect verbose versions
  // of local_surface_id::ToString().
  logging::SetMinLogLevel(logging::LOG_VERBOSE);
  EXPECT_TRUE(VLOG_IS_ON(1));
  EXPECT_EQ(verbose_expected, local_surface_id.ToString());
  EXPECT_EQ(big_verbose_expected, big_local_surface_id.ToString());
  EXPECT_EQ(small_verbose_expected, small_local_surface_id.ToString());

  // When |g_min_log_level| is set to LOG_INFO we expect less verbose versions
  // of local_surface_id::ToString().
  logging::SetMinLogLevel(logging::LOG_INFO);
  EXPECT_FALSE(VLOG_IS_ON(1));
  EXPECT_EQ(brief_expected, local_surface_id.ToString());
  EXPECT_EQ(big_brief_expected, big_local_surface_id.ToString());
  EXPECT_EQ(small_brief_expected, small_local_surface_id.ToString());

  logging::SetMinLogLevel(previous_log_lvl);
}