TEST(StatsTest, CounterSimpleTest) {
Counter c;
c.record(-7);
EXPECT_EQ(1, c.getCount());
EXPECT_EQ(-7, c.getMin());
EXPECT_EQ(-7, c.getMax());
EXPECT_EQ(-7.0, c.getAverage());
c.record(-9);
EXPECT_EQ(2, c.getCount());
EXPECT_EQ(-9, c.getMin());
EXPECT_EQ(-7, c.getMax());
EXPECT_EQ(-8.0, c.getAverage());
ostringstream oss;
c.print(oss);
EXPECT_EQ(oss.str(), "2,-8,-9,-7,1");
}
TEST(StatsTest, CounterNoData) {
Counter c;
EXPECT_EQ(0, c.getCount());
EXPECT_TRUE(std::isnan(c.getAverage()));
ostringstream oss;
c.print(oss);
std::string res = oss.str();
EXPECT_EQ(res, "0,nan,0,0,0");
}