mirror of https://github.com/tailix/libkernaux.git
87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <kernaux/pfa.h>
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#include <assert.h>
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void test_main()
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{
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struct KernAux_PFA pfa;
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KernAux_PFA_initialize(&pfa);
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for (size_t index = 0; index < KERNAUX_PFA_PAGES_COUNT_MAX; ++index) {
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assert(!KernAux_PFA_is_available(&pfa, index * KERNAUX_PFA_PAGE_SIZE));
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}
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KernAux_PFA_mark_available(&pfa, 0, 654335);
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KernAux_PFA_mark_available(&pfa, 1048576, 134086655);
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KernAux_PFA_mark_unavailable(&pfa, 4194304, 6291455); // [4 MB, 6 MB)
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for (size_t index = 0; index < 159; ++index) {
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assert(KernAux_PFA_is_available(&pfa, index * KERNAUX_PFA_PAGE_SIZE));
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}
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for (size_t index = 159; index < 256; ++index) {
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assert(!KernAux_PFA_is_available(&pfa, index * KERNAUX_PFA_PAGE_SIZE));
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}
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for (size_t index = 256; index < 1024; ++index) { // [1 MB, 4 MB)
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assert(KernAux_PFA_is_available(&pfa, index * KERNAUX_PFA_PAGE_SIZE));
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}
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for (size_t index = 1024; index < 1536; ++index) { // [4 MB, 6 MB)
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assert(!KernAux_PFA_is_available(&pfa, index * KERNAUX_PFA_PAGE_SIZE));
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}
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for (size_t index = 1536; index < 32736; ++index) { // [6 MB, ~127 MB)
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assert(KernAux_PFA_is_available(&pfa, index * KERNAUX_PFA_PAGE_SIZE));
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}
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for (size_t index = 32736; index < KERNAUX_PFA_PAGES_COUNT_MAX; ++index) {
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assert(!KernAux_PFA_is_available(&pfa, index * KERNAUX_PFA_PAGE_SIZE));
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}
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{
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const size_t page_addr = KernAux_PFA_alloc_pages(&pfa, 1);
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assert(page_addr != 0);
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assert(page_addr % KERNAUX_PFA_PAGE_SIZE == 0);
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assert(!KernAux_PFA_is_available(&pfa, page_addr));
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KernAux_PFA_free_pages(&pfa, page_addr, 1);
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assert(KernAux_PFA_is_available(&pfa, page_addr));
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}
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{
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const size_t page_addr =
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KernAux_PFA_alloc_pages(&pfa, 10 * KERNAUX_PFA_PAGE_SIZE);
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assert(page_addr != 0);
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assert(page_addr % KERNAUX_PFA_PAGE_SIZE == 0);
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for (size_t index = 0, addr = page_addr; index < 10; ++index) {
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assert(!KernAux_PFA_is_available(&pfa, addr));
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addr += KERNAUX_PFA_PAGE_SIZE;
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}
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KernAux_PFA_free_pages(&pfa, page_addr, 10 * KERNAUX_PFA_PAGE_SIZE);
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for (size_t index = 0, addr = page_addr; index < 10; ++index) {
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assert(KernAux_PFA_is_available(&pfa, addr));
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addr += KERNAUX_PFA_PAGE_SIZE;
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}
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}
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for (size_t index = 0; index < KERNAUX_PFA_PAGES_COUNT_MAX; ++index) {
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if (KernAux_PFA_is_available(&pfa, index * KERNAUX_PFA_PAGE_SIZE)) {
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assert(KernAux_PFA_alloc_pages(&pfa, 1) != 0);
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}
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}
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assert(KernAux_PFA_alloc_pages(&pfa, 1) == 0);
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}
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