Function TEST

Unittest/Common/HistogramTest.cpp:6–14

test Histogram.empty()

// test Histogram.empty()
TEST(emptyTest, base_cases)
{
	Histogram hi;
	EXPECT_TRUE(hi.empty());
	hi.insert(2);
	EXPECT_FALSE(hi.empty());
	hi.insert(4);
	EXPECT_FALSE(hi.empty());
}

// test Histogram.count()
TEST(countTest, non_negative_cases)