TEST_F() and code in same file - Test Pass

02bankacc_pass.cpp

#include <iostream>
#include <gtest/gtest.h>

struct BankAccount {
  int balance = 0;
	
  BankAccount() {
  }

  explicit BankAccount(const int balance)
   : balance{balance} {
   }

};

struct BankAccountTest : testing::Test { 
  BankAccount *account;

  BankAccountTest() {
    account = new BankAccount;
  }
  ~BankAccountTest() {
    delete account;
  }
};

TEST_F(BankAccountTest, BankAccountStartsEmpty) {
  EXPECT_EQ(0, account->balance);
}

int main(int argc, char **argv) {
  ::testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}