74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
#define _POSIX_C_SOURCE 200112L
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#include <stdlib.h>
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#include "slab.h"
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#include "test.h"
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#include "address.h"
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#include "ram.h"
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#include "string.h"
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extern uint64_t identity_mapping_start;
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bool ram_alloc_frame(struct ppn *ppn_out, enum frame_size size) {
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TEST_ASSERT(size == RAM_PAGE_NORMAL);
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void *addr;
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TEST_ASSERT(posix_memalign(&addr, 4096, 4096) == 0);
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*ppn_out = ppn_from_aligned_pa(pa_from_value((uint64_t)addr));
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return true;
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}
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void ram_free(struct ppn ppn) {
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free(ppn_to_pointer(ppn));
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}
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size_t num_ctor_calls = 0;
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size_t num_dtor_calls = 0;
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void constructor(void *obj) {
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TEST_ASSERT(((uint64_t)obj & 0x3f) == 0);
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uint8_t *p = obj;
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for (int i = 0; i < 100; i++) {
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p[i] = i;
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}
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num_ctor_calls++;
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}
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void destructor(void *obj) {
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TEST_ASSERT(((uint64_t)obj & 0x3f) == 0);
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num_dtor_calls++;
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}
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int main() {
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identity_mapping_start = 0;
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struct slab_cache cache;
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TEST_SHOULD_PANIC(slab_cache_alloc(&cache));
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slab_cache_init_with_align(&cache, 100, 64, constructor, destructor);
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uint8_t *ptr0 = slab_cache_alloc(&cache);
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TEST_ASSERT(ptr0 != NULL);
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TEST_ASSERT(((uint64_t)ptr0 & 0x3f) == 0);
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uint8_t *ptr1 = slab_cache_alloc(&cache);
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TEST_ASSERT(ptr1 != NULL);
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TEST_ASSERT(((uint64_t)ptr1 & 0x3f) == 0);
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for (int i = 0; i < 100; i++) {
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TEST_ASSERT(ptr0[i] == i);
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TEST_ASSERT(ptr1[i] == i);
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}
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memset(ptr0, 42, 100);
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memset(ptr1, 43, 100);
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for (int i = 0; i < 100; i++) {
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TEST_ASSERT(ptr0[i] == 42);
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TEST_ASSERT(ptr1[i] == 43);
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}
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slab_cache_free(ptr0);
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slab_cache_free(ptr1);
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slab_cache_destroy(&cache);
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TEST_ASSERT(num_ctor_calls > 0 && num_ctor_calls == num_dtor_calls);
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}
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// TODO test where we write past object and then expect panic on free
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