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// Copyright 2021-2022, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
* @file
* @brief u_id_ringbuffer collection tests.
* @author Rylie Pavlik <rylie.pavlik@collabora.com>
*/
#include <util/u_id_ringbuffer.h>
#include "catch_amalgamated.hpp"
TEST_CASE("u_template_historybuf")
{
auto *buffer = u_id_ringbuffer_create(4);
SECTION("behavior when empty")
{
CHECK(u_id_ringbuffer_is_empty(buffer));
CHECK(0 == u_id_ringbuffer_get_size(buffer));
uint64_t out_id = 0;
CHECK(u_id_ringbuffer_get_front(buffer, &out_id) < 0);
CHECK(u_id_ringbuffer_get_back(buffer, &out_id) < 0);
{
INFO("Check after pop_back");
u_id_ringbuffer_pop_back(buffer);
CHECK(u_id_ringbuffer_is_empty(buffer));
}
}
SECTION("behavior with one")
{
int64_t zero_inner_index = u_id_ringbuffer_push_back(buffer, 0);
REQUIRE(zero_inner_index >= 0);
CHECK_FALSE(u_id_ringbuffer_is_empty(buffer));
CHECK(1 == u_id_ringbuffer_get_size(buffer));
CAPTURE(zero_inner_index);
// check front/back
uint64_t out_id_front = 55;
uint64_t out_id_back = 55;
CHECK(u_id_ringbuffer_get_front(buffer, &out_id_front) >= 0);
CHECK(u_id_ringbuffer_get_front(buffer, &out_id_front) == zero_inner_index);
CHECK(out_id_front == 0);
CHECK(u_id_ringbuffer_get_back(buffer, &out_id_back) >= 0);
CHECK(u_id_ringbuffer_get_back(buffer, &out_id_front) == zero_inner_index);
CHECK(out_id_back == 0);
CHECK(out_id_front == out_id_back);
// check contents
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_index(buffer, 0, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_age(buffer, 0, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_clamped_age(buffer, 0, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_age(buffer, 1, &out_id) < 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_clamped_age(buffer, 1, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_clamped_age(buffer, 2, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
INFO("Check after pop_back");
u_id_ringbuffer_pop_back(buffer);
CHECK(u_id_ringbuffer_is_empty(buffer));
u_id_ringbuffer_pop_back(buffer);
CHECK(u_id_ringbuffer_is_empty(buffer));
}
}
SECTION("behavior with two")
{
int64_t zero_inner_index = u_id_ringbuffer_push_back(buffer, 0);
int64_t one_inner_index = u_id_ringbuffer_push_back(buffer, 1);
REQUIRE(zero_inner_index >= 0);
REQUIRE(one_inner_index >= 0);
REQUIRE(zero_inner_index != one_inner_index);
CAPTURE(zero_inner_index);
CAPTURE(one_inner_index);
CHECK_FALSE(u_id_ringbuffer_is_empty(buffer));
CHECK(2 == u_id_ringbuffer_get_size(buffer));
SECTION("check front and back")
{
// check front/back
uint64_t out_id_front = 55;
uint64_t out_id_back = 55;
CHECK(u_id_ringbuffer_get_front(buffer, &out_id_front) == zero_inner_index);
CHECK(out_id_front == 0);
CHECK(u_id_ringbuffer_get_back(buffer, &out_id_back) == one_inner_index);
CHECK(out_id_back == 1);
CHECK(out_id_front != out_id_back);
}
SECTION("check contents")
{
// check contents
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_index(buffer, 0, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_index(buffer, 1, &out_id) == one_inner_index);
CHECK(out_id == 1);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_index(buffer, 2, &out_id) < 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_age(buffer, 0, &out_id) == one_inner_index);
CHECK(out_id == 1);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_clamped_age(buffer, 0, &out_id) == one_inner_index);
CHECK(out_id == 1);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_age(buffer, 1, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_clamped_age(buffer, 1, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_age(buffer, 2, &out_id) < 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_clamped_age(buffer, 2, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
{
uint64_t out_id = 55;
CHECK(u_id_ringbuffer_get_at_clamped_age(buffer, 3, &out_id) == zero_inner_index);
CHECK(out_id == 0);
}
}
SECTION("Check after pop_back")
{
u_id_ringbuffer_pop_back(buffer);
CHECK(1 == u_id_ringbuffer_get_size(buffer));
uint64_t out_id_front = 55;
CHECK(u_id_ringbuffer_get_front(buffer, &out_id_front) == zero_inner_index);
CHECK(out_id_front == 0);
u_id_ringbuffer_pop_back(buffer);
CHECK(0 == u_id_ringbuffer_get_size(buffer));
uint64_t out_id = 0;
CHECK(u_id_ringbuffer_get_front(buffer, &out_id) < 0);
}
}
SECTION("algorithm behavior with 3")
{
int64_t zero_inner_index = u_id_ringbuffer_push_back(buffer, 0);
int64_t two_inner_index = u_id_ringbuffer_push_back(buffer, 2);
int64_t four_inner_index = u_id_ringbuffer_push_back(buffer, 4);
REQUIRE(zero_inner_index >= 0);
REQUIRE(two_inner_index >= 0);
REQUIRE(four_inner_index >= 0);
CAPTURE(zero_inner_index);
CAPTURE(two_inner_index);
CAPTURE(four_inner_index);
CHECK_FALSE(u_id_ringbuffer_is_empty(buffer));
CHECK(3 == u_id_ringbuffer_get_size(buffer));
uint64_t out_id = 55;
uint32_t out_index = 55;
CHECK(u_id_ringbuffer_find_id_unordered(buffer, 0, nullptr, nullptr) == zero_inner_index);
CHECK(u_id_ringbuffer_find_id_unordered(buffer, 0, &out_id, &out_index) == zero_inner_index);
CHECK(out_id == 0);
CHECK(out_index == 0);
CHECK(u_id_ringbuffer_find_id_unordered(buffer, 2, nullptr, nullptr) == two_inner_index);
CHECK(u_id_ringbuffer_find_id_unordered(buffer, 2, &out_id, &out_index) == two_inner_index);
CHECK(out_id == 2);
CHECK(out_index == 1);
CHECK(u_id_ringbuffer_find_id_unordered(buffer, 4, nullptr, nullptr) == four_inner_index);
CHECK(u_id_ringbuffer_find_id_unordered(buffer, 4, &out_id, &out_index) == four_inner_index);
CHECK(out_id == 4);
CHECK(out_index == 2);
// first id not less than 1 is id 2.
out_id = 55;
out_index = 55;
CHECK(u_id_ringbuffer_lower_bound_id(buffer, 1, nullptr, nullptr) == two_inner_index);
CHECK(u_id_ringbuffer_lower_bound_id(buffer, 1, &out_id, &out_index) == two_inner_index);
CHECK(out_id == 2);
CHECK(out_index == 1);
}
u_id_ringbuffer_destroy(&buffer);
}
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