670     int total_shards, int shard_index, int test_id);
4894     const int32_t shard_index = Int32FromEnvOrDie(kTestShardIndex, -1);  in OnTestIterationStart()  local
4896                   static_cast<int>(shard_index) + 1,  in OnTestIterationStart()
7449   const int32_t shard_index = Int32FromEnvOrDie(shard_index_env, -1);  in ShouldShard()  local
7451   if (total_shards == -1 && shard_index == -1) {  in ShouldShard()
7453   } else if (total_shards == -1 && shard_index != -1) {  in ShouldShard()
7456       << kTestShardIndex << " = " << shard_index  in ShouldShard()
7461   } else if (total_shards != -1 && shard_index == -1) {  in ShouldShard()
7469   } else if (shard_index < 0 || shard_index >= total_shards) {  in ShouldShard()
7473       << ", but you have " << kTestShardIndex << "=" << shard_index  in ShouldShard()
7504 bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id) {  in ShouldRunTestOnShard()  argument
7505   return (test_id % total_shards) == shard_index;  in ShouldRunTestOnShard()
7518   const int32_t shard_index = shard_tests == HONOR_SHARDING_PROTOCOL ?  in FilterTests()  local
7552           !ShouldRunTestOnShard(total_shards, shard_index, num_runnable_tests);  in FilterTests()