text: // Copyright 2013 The Flutter 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 <gtest/gtest.h>
  #include <cstdlib>
  
  #include "runner.h"
  #include "third_party/icu/source/i18n/unicode/timezone.h"
  
  namespace flutter_runner {
  
  TEST(RunnerTest, TZData) {
    // TODO(fxbug.dev/69570): Move to cml file if env_vars gains supported for the
    // gtest_runner.
    setenv("ICU_TIMEZONE_FILES_DIR", "/pkg/data/tzdata", true);
  
    UErrorCode err = U_ZERO_ERROR;
    const auto version_before = std::string(icu::TimeZone::getTZDataVersion(err));
    ASSERT_EQ(U_ZERO_ERROR, err) << "unicode error: " << u_errorName(err);
  
    // This loads the tzdata. In Fuchsia, we force the data from this package
    // to be version 2019a, so that we can test the resource load.
    bool success = Runner::SetupICUInternal();
    ASSERT_TRUE(success) << "failed to load timezone data";
  
    const auto version_after = std::string(icu::TimeZone::getTZDataVersion(err));
    ASSERT_EQ(U_ZERO_ERROR, err) << "unicode error: " << u_errorName(err);
  
    EXPECT_EQ("2019a", version_after);
  }
  
  }  // namespace flutter_runner
  