} // namespace mc
} // namespace simgrid
-
-#ifdef SIMGRID_TEST
-
-#include <cstdint>
-#include <cstring>
-
-#include <sys/mman.h>
-#include <unistd.h>
-
-#include <memory>
-
-#include "src/mc/PageStore.hpp"
-
-static int value = 0;
-
-static void new_content(void* data, std::size_t size)
-{
- ::memset(data, ++value, size);
-}
-
-static void* getpage()
-{
- return mmap(nullptr, getpagesize(), PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-}
-
-XBT_TEST_SUITE("mc_page_store", "Page store");
-
-XBT_TEST_UNIT("base", test_mc_page_store, "Test adding/removing pages in the store")
-{
- using simgrid::mc::PageStore;
-
- xbt_test_add("Init");
- std::size_t pagesize = (size_t)getpagesize();
- std::unique_ptr<PageStore> store = std::unique_ptr<PageStore>(new simgrid::mc::PageStore(500));
- void* data = getpage();
- xbt_test_assert(store->size() == 0, "Bad size");
-
- xbt_test_add("Store the page once");
- new_content(data, pagesize);
- size_t pageno1 = store->store_page(data);
- xbt_test_assert(store->get_ref(pageno1) == 1, "Bad refcount");
- const void* copy = store->get_page(pageno1);
- xbt_test_assert(::memcmp(data, copy, pagesize) == 0, "Page data should be the same");
- xbt_test_assert(store->size() == 1, "Bad size");
-
- xbt_test_add("Store the same page again");
- size_t pageno2 = store->store_page(data);
- xbt_test_assert(pageno1 == pageno2, "Page should be the same");
- xbt_test_assert(store->get_ref(pageno1) == 2, "Bad refcount");
- xbt_test_assert(store->size() == 1, "Bad size");
-
- xbt_test_add("Store a new page");
- new_content(data, pagesize);
- size_t pageno3 = store->store_page(data);
- xbt_test_assert(pageno1 != pageno3, "New page should be different");
- xbt_test_assert(store->size() == 2, "Bad size");
-
- xbt_test_add("Unref pages");
- store->unref_page(pageno1);
- xbt_assert(store->get_ref(pageno1) == 1, "Bad refcount");
- xbt_assert(store->size() == 2, "Bad size");
- store->unref_page(pageno2);
- xbt_test_assert(store->size() == 1, "Bad size");
-
- xbt_test_add("Reallocate page");
- new_content(data, pagesize);
- size_t pageno4 = store->store_page(data);
- xbt_test_assert(pageno1 == pageno4, "Page was not reused");
- xbt_test_assert(store->get_ref(pageno4) == 1, "Bad refcount");
- xbt_test_assert(store->size() == 2, "Bad size");
-}
-
-#endif /* SIMGRID_TEST */
