Commit bf930c46 authored by Pietro Saccardi's avatar Pietro Saccardi
Browse files

Test resident allocator.

parent a71a60be

CMakeLists.txt

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@@ -19,7 +19,7 @@ add_library(pwmpi src/dma/cb.h src/bcm/base.h src/dma/ti.h src/mem/bmap.h src/dm 


add_executable(pwmpi-demo src/main.cpp src/misc.h)



add_executable(pwmpi-test test/utmain.cpp test/test_allocation_table.cpp)

add_executable(pwmpi-test test/utmain.cpp test/test_allocation_table.cpp test/test_resident_allocator.cpp)



target_link_libraries(pwmpi-demo pwmpi)

target_link_libraries(pwmpi-test pwmpi)

test/test_allocation_table.cpp

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@@ -5,7 +5,6 @@ 
#include <catch2/catch.hpp>

#include <mem/allocation_table.h>

#include <array>

#include <misc.h>



namespace {

    inline mem::chunk mkchunk(std::uintptr_t ofs, std::size_t sz) {

test/test_resident_allocator.cpp

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//

// Created by Pietro Saccardi on 04/09/2019.

//





#include <catch2/catch.hpp>

#include <mem/resident_allocator.h>



TEST_CASE("Allocate simple", "[resident_allocator]") {

    mem::resident_memory_resource pmr;

    static constexpr std::size_t sz = 100;

    void * const addr = pmr.allocate(sz);

    REQUIRE(pmr.pool_size() >= sz);

    if (pmr.pool_size() > sz) {

        REQUIRE(pmr.num_fragments() == 1);

        REQUIRE(pmr.largest_fragment_size() == pmr.pool_size() - sz);

    } else {

        REQUIRE(pmr.num_fragments() == 0);

        REQUIRE(pmr.largest_fragment_size() == 0);

    }

    REQUIRE(pmr.used_memory() == sz);

    pmr.deallocate(addr, sz);

    REQUIRE(pmr.num_fragments() == 1);

    REQUIRE(pmr.largest_fragment_size() == pmr.pool_size());

    REQUIRE(pmr.pool_size() >= sz);

    REQUIRE(pmr.available_memory() == pmr.pool_size());

    REQUIRE(pmr.used_memory() == 0);

    const auto saved_spc = pmr.try_reduce_pool_size();

    REQUIRE(saved_spc >= sz);

    REQUIRE(pmr.num_fragments() == 0);

    REQUIRE(pmr.pool_size() == 0);

    REQUIRE(pmr.largest_fragment_size() == 0);

    REQUIRE(pmr.available_memory() == 0);

}
 
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