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#include <iostream>
#include "mgr/TTLCache.h"
#include "gtest/gtest.h"
using namespace std;
TEST(TTLCache, Get) {
TTLCache<string, int> c{100};
c.insert("foo", 1);
int foo = c.get("foo");
ASSERT_EQ(foo, 1);
}
TEST(TTLCache, Erase) {
TTLCache<string, int> c{100};
c.insert("foo", 1);
int foo = c.get("foo");
ASSERT_EQ(foo, 1);
c.erase("foo");
try{
foo = c.get("foo");
FAIL();
} catch (std::out_of_range& e) {
SUCCEED();
}
}
TEST(TTLCache, Clear) {
TTLCache<string, int> c{100};
c.insert("foo", 1);
c.insert("foo2", 2);
c.clear();
ASSERT_FALSE(c.size());
}
TEST(TTLCache, NoTTL) {
TTLCache<string, int> c{100};
c.insert("foo", 1);
int foo = c.get("foo");
ASSERT_EQ(foo, 1);
c.set_ttl(0);
c.insert("foo2", 2);
try{
foo = c.get("foo2");
FAIL();
} catch (std::out_of_range& e) {
SUCCEED();
}
}
TEST(TTLCache, SizeLimit) {
TTLCache<string, int> c{100, 2};
c.insert("foo", 1);
c.insert("foo2", 2);
c.insert("foo3", 3);
ASSERT_EQ(c.size(), 2);
}
TEST(TTLCache, HitRatio) {
TTLCache<string, int> c{100};
c.insert("foo", 1);
c.insert("foo2", 2);
c.insert("foo3", 3);
c.get("foo2");
c.get("foo3");
std::pair<uint64_t, uint64_t> hit_miss_ratio = c.get_hit_miss_ratio();
ASSERT_EQ(std::get<1>(hit_miss_ratio), 3);
ASSERT_EQ(std::get<0>(hit_miss_ratio), 2);
}
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