test_2.cc

TEST(ConcertTest, ComputesPrice) {
    EXPECT_THAT(
        ForecastOutcome(PARSE_TEXT_PROTO(R"(
            artist {
                id: 2584
                name: "Beyonce"
                avg_price: 200
            }
            capacity: 500
        )")),
        EqualsProto(PARSE_TEXT_PROTO(R"(
            expected: 100000
            variance:  10000
        )"))
    );
}