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#include "Common/Histogram.h"
#include "gtest/gtest.h"
// 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)
{
Histogram hi;
hi.insert(2);
hi.insert(4);
EXPECT_EQ(hi.size(), (unsigned)2);
hi.insert(6);
hi.insert(8);
hi.insert(10, 5);
EXPECT_EQ(hi.size(), (unsigned)9);
EXPECT_EQ(hi.count(INT_MIN, INT_MAX), (unsigned)9);
EXPECT_EQ(hi.count(8, 10), (unsigned)6);
hi.insert(12);
EXPECT_EQ(hi.size(), (unsigned)10);
EXPECT_EQ(hi.count(INT_MIN, INT_MAX), (unsigned)10);
}
// test Histogram.sum()
TEST(sumTest, trivial_cases)
{
Histogram hello;
EXPECT_EQ(hello.sum(), (unsigned)0);
}
// test Histogram.removeNoise()
TEST(removeNoise, one_entry)
{
Histogram hi;
hi.insert(10, 5);
EXPECT_EQ(hi.size(), 5u);
hi.removeNoise();
EXPECT_EQ(hi.size(), 5u);
hi.insert(20, 10);
EXPECT_EQ(hi.size(), 15u);
hi.removeNoise();
EXPECT_EQ(hi.size(), 10u);
}
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