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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 "components/variations/active_field_trials.h"
#include "components/variations/metrics_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace variations {
TEST(VariationsUtilTest, GetFieldTrialActiveGroups) {
typedef std::set<ActiveGroupId, ActiveGroupIdCompare> ActiveGroupIdSet;
std::string trial_one("trial one");
std::string group_one("group one");
std::string trial_two("trial two");
std::string group_two("group two");
base::FieldTrial::ActiveGroups active_groups;
base::FieldTrial::ActiveGroup active_group;
active_group.trial_name = trial_one;
active_group.group_name = group_one;
active_groups.push_back(active_group);
active_group.trial_name = trial_two;
active_group.group_name = group_two;
active_groups.push_back(active_group);
// Create our expected groups of IDs.
ActiveGroupIdSet expected_groups;
ActiveGroupId name_group_id;
name_group_id.name = metrics::HashName(trial_one);
name_group_id.group = metrics::HashName(group_one);
expected_groups.insert(name_group_id);
name_group_id.name = metrics::HashName(trial_two);
name_group_id.group = metrics::HashName(group_two);
expected_groups.insert(name_group_id);
std::vector<ActiveGroupId> active_group_ids;
testing::TestGetFieldTrialActiveGroupIds(active_groups, &active_group_ids);
EXPECT_EQ(2U, active_group_ids.size());
for (size_t i = 0; i < active_group_ids.size(); ++i) {
ActiveGroupIdSet::iterator expected_group =
expected_groups.find(active_group_ids[i]);
EXPECT_FALSE(expected_group == expected_groups.end());
expected_groups.erase(expected_group);
}
EXPECT_EQ(0U, expected_groups.size());
}
} // namespace variations
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