src/base/hash_tables_test.cc

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#include "base/hash_tables.h"
#include "testing/base/public/gunit.h"

TEST(HashTables, HashMap) {
  hash_map<string, int> test_map;
  test_map["test"] = 1;
  EXPECT_EQ(1, test_map["test"]);
}

TEST(HashTables, HashSet) {
  hash_set<string> test_set;
  test_set.insert("test");
  EXPECT_EQ(1, test_set.count("test"));
}