YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

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#include <unordered_set>

#include <gtest/gtest.h>

#include "yb/gutil/map-util.h"

#include "yb/util/flag_tags.h"

#include "yb/util/test_util.h"

DEFINE_int32(flag_with_no_tags, 0, "test flag that has no tags");

DEFINE_int32(flag_with_one_tag, 0, "test flag that has 1 tag");

TAG_FLAG(flag_with_one_tag, stable);

DEFINE_int32(flag_with_two_tags, 0, "test flag that has 2 tags");

TAG_FLAG(flag_with_two_tags, evolving);

TAG_FLAG(flag_with_two_tags, unsafe);

using std::string;

using std::unordered_set;

namespace yb {

class FlagTagsTest : public YBTest {

};

TEST_F(FlagTagsTest, TestTags) {

  unordered_set<string> tags;

  GetFlagTags("flag_with_no_tags", &tags);

  EXPECT_EQ(0, tags.size());

  GetFlagTags("flag_with_one_tag", &tags);

  EXPECT_EQ(1, tags.size());

  EXPECT_TRUE(ContainsKey(tags, "stable"));

  GetFlagTags("flag_with_two_tags", &tags);

  EXPECT_EQ(2, tags.size());

  EXPECT_TRUE(ContainsKey(tags, "evolving"));

  EXPECT_TRUE(ContainsKey(tags, "unsafe"));

  GetFlagTags("missing_flag", &tags);

  EXPECT_EQ(0, tags.size());

}

} // namespace yb