gplib/tests/quotient_filter.cpp

#include "gp/quotient_filter.hpp"
#include "test_scaffold.h"

#include <random>
#include <string>

typedef std::mt19937_64 cheap_rand;
typedef std::mt19937_64 cheap_rand_bis;

struct qfilter_test : public test_scaffold {
	uint32_t seed;

	qfilter_test() {
		seed = std::random_device{}();
		name = __FILE__ ":1_seed";
		name += std::to_string(seed);
	}

	virtual int run() {
		
		cheap_rand setter(seed);
		cheap_rand getter(seed);

		gp::quotient_filter test_filter;

		for(int a = 0 ; a < 100; a++)
		{
			test_filter.set_hash(setter());
		}

		bool result = true;
		for(int a = 0 ; a < 100; a++)
		{
			result *= test_filter.test_hash(getter());
		}

		return !result;
	}
};

append_test dummy_rshyr43(new qfilter_test{});

struct qfilter2_test : public test_scaffold {
	uint32_t seedA;
	uint32_t seedB;

	qfilter2_test() {
		seedA = std::random_device{}();
		seedB = std::random_device{}();
		name = __FILE__ ":2_seedA";
		name += std::to_string(seedA);
		name += "&seedB";
		name += std::to_string(seedB);
	}

	virtual int run() {
		
		cheap_rand setter(seedA);
		cheap_rand deleter(seedA);
		cheap_rand_bis getter(seedB);

		gp::quotient_filter test_filter;

		for(int a = 0 ; a < 100000; a++)
		{
			test_filter.set_hash(setter());
		}

		int interference = 0;
		for(int a = 0 ; a < 100000; a++)
		{
			interference += test_filter.test_hash(getter());
		}

		for(int a = 0 ; a < 100000; a++)
		{
			test_filter.remove_hash(deleter());
		}

		return interference > 25;
	}
};

append_test dummy_kegdflu3(new qfilter2_test{});

struct qfilter3_test : public test_scaffold {
	uint32_t seedA;
	uint32_t seedB;

	qfilter3_test() {
		seedA = std::random_device{}();
		seedB = std::random_device{}();
		name = __FILE__ ":3_seedA";
		name += std::to_string(seedA);
		name += "&seedB";
		name += std::to_string(seedB);
	}

	virtual int run() {
		
		cheap_rand setter(seedA);
		cheap_rand deleter(seedA);
		cheap_rand_bis getter(seedB);

		gp::quotient_filter<uint32_t, 20,12, gp::stepcache_skipstone> test_filter;

		for(int a = 0 ; a < 100000; a++)
		{
			test_filter.set_hash(setter());
		}

		int interference = 0;
		for(int a = 0 ; a < 100000; a++)
		{
			interference += test_filter.test_hash(getter());
		}

		for(int a = 0 ; a < 100000; a++)
		{
			test_filter.remove_hash(deleter());
		}

		return interference > 25;
	}
};

append_test dummy_kjdflu3(new qfilter3_test{});

struct qfilter4_test : public test_scaffold {

	qfilter4_test() {
	}

	virtual int run() {
		gp::quotient_filter<> test_filter;

		for(int a = 0 ; a < 10000; a++)
		{
			test_filter.set_hash(a);
		}

		for(int a = 0 ; a < 10000; a++)
		{
			test_filter.remove_hash(a);
		}

		for(int a = 0 ; a < 10000; a++)
		{
			gp_config::assertion(!test_filter.test_hash(a), "everything should have been removed");
		}

		for(int a = 0 ; a < 10000; a++)
		{
			test_filter.set_hash(a);
		}

		for(int a = 0 ; a < 10000; a++)
		{
			gp_config::assertion(test_filter.test_hash(a), "everything should have been set");
		}

		return 0;
	}
};

append_test dummy_kj54ghu3(new qfilter4_test{});

struct qfilter5_test : public test_scaffold {

	qfilter5_test() {
	}

	virtual int run() {
		gp::quotient_filter<uint32_t, 16> test_filter;

		for(int a = 0 ; a < 65536; a++)
		{
			test_filter.set_hash(a);
		}

		int res = 1;

		try {
			test_filter.set_hash(123456);
		} catch(gp::runtime_error e) {
			res = 0;
		}

		return res;
	}
};

append_test dummy_k65421u3(new qfilter5_test{});