diff options
Diffstat (limited to 'memory/jemalloc/src/test/unit/ph.c')
-rw-r--r-- | memory/jemalloc/src/test/unit/ph.c | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/memory/jemalloc/src/test/unit/ph.c b/memory/jemalloc/src/test/unit/ph.c deleted file mode 100644 index da442f07e..000000000 --- a/memory/jemalloc/src/test/unit/ph.c +++ /dev/null @@ -1,290 +0,0 @@ -#include "test/jemalloc_test.h" - -typedef struct node_s node_t; - -struct node_s { -#define NODE_MAGIC 0x9823af7e - uint32_t magic; - phn(node_t) link; - uint64_t key; -}; - -static int -node_cmp(const node_t *a, const node_t *b) -{ - int ret; - - ret = (a->key > b->key) - (a->key < b->key); - if (ret == 0) { - /* - * Duplicates are not allowed in the heap, so force an - * arbitrary ordering for non-identical items with equal keys. - */ - ret = (((uintptr_t)a) > ((uintptr_t)b)) - - (((uintptr_t)a) < ((uintptr_t)b)); - } - return (ret); -} - -static int -node_cmp_magic(const node_t *a, const node_t *b) { - - assert_u32_eq(a->magic, NODE_MAGIC, "Bad magic"); - assert_u32_eq(b->magic, NODE_MAGIC, "Bad magic"); - - return (node_cmp(a, b)); -} - -typedef ph(node_t) heap_t; -ph_gen(static, heap_, heap_t, node_t, link, node_cmp_magic); - -static void -node_print(const node_t *node, unsigned depth) -{ - unsigned i; - node_t *leftmost_child, *sibling; - - for (i = 0; i < depth; i++) - malloc_printf("\t"); - malloc_printf("%2"FMTu64"\n", node->key); - - leftmost_child = phn_lchild_get(node_t, link, node); - if (leftmost_child == NULL) - return; - node_print(leftmost_child, depth + 1); - - for (sibling = phn_next_get(node_t, link, leftmost_child); sibling != - NULL; sibling = phn_next_get(node_t, link, sibling)) { - node_print(sibling, depth + 1); - } -} - -static void -heap_print(const heap_t *heap) -{ - node_t *auxelm; - - malloc_printf("vvv heap %p vvv\n", heap); - if (heap->ph_root == NULL) - goto label_return; - - node_print(heap->ph_root, 0); - - for (auxelm = phn_next_get(node_t, link, heap->ph_root); auxelm != NULL; - auxelm = phn_next_get(node_t, link, auxelm)) { - assert_ptr_eq(phn_next_get(node_t, link, phn_prev_get(node_t, - link, auxelm)), auxelm, - "auxelm's prev doesn't link to auxelm"); - node_print(auxelm, 0); - } - -label_return: - malloc_printf("^^^ heap %p ^^^\n", heap); -} - -static unsigned -node_validate(const node_t *node, const node_t *parent) -{ - unsigned nnodes = 1; - node_t *leftmost_child, *sibling; - - if (parent != NULL) { - assert_d_ge(node_cmp_magic(node, parent), 0, - "Child is less than parent"); - } - - leftmost_child = phn_lchild_get(node_t, link, node); - if (leftmost_child == NULL) - return (nnodes); - assert_ptr_eq((void *)phn_prev_get(node_t, link, leftmost_child), - (void *)node, "Leftmost child does not link to node"); - nnodes += node_validate(leftmost_child, node); - - for (sibling = phn_next_get(node_t, link, leftmost_child); sibling != - NULL; sibling = phn_next_get(node_t, link, sibling)) { - assert_ptr_eq(phn_next_get(node_t, link, phn_prev_get(node_t, - link, sibling)), sibling, - "sibling's prev doesn't link to sibling"); - nnodes += node_validate(sibling, node); - } - return (nnodes); -} - -static unsigned -heap_validate(const heap_t *heap) -{ - unsigned nnodes = 0; - node_t *auxelm; - - if (heap->ph_root == NULL) - goto label_return; - - nnodes += node_validate(heap->ph_root, NULL); - - for (auxelm = phn_next_get(node_t, link, heap->ph_root); auxelm != NULL; - auxelm = phn_next_get(node_t, link, auxelm)) { - assert_ptr_eq(phn_next_get(node_t, link, phn_prev_get(node_t, - link, auxelm)), auxelm, - "auxelm's prev doesn't link to auxelm"); - nnodes += node_validate(auxelm, NULL); - } - -label_return: - if (false) - heap_print(heap); - return (nnodes); -} - -TEST_BEGIN(test_ph_empty) -{ - heap_t heap; - - heap_new(&heap); - assert_true(heap_empty(&heap), "Heap should be empty"); - assert_ptr_null(heap_first(&heap), "Unexpected node"); -} -TEST_END - -static void -node_remove(heap_t *heap, node_t *node) -{ - - heap_remove(heap, node); - - node->magic = 0; -} - -static node_t * -node_remove_first(heap_t *heap) -{ - node_t *node = heap_remove_first(heap); - node->magic = 0; - return (node); -} - -TEST_BEGIN(test_ph_random) -{ -#define NNODES 25 -#define NBAGS 250 -#define SEED 42 - sfmt_t *sfmt; - uint64_t bag[NNODES]; - heap_t heap; - node_t nodes[NNODES]; - unsigned i, j, k; - - sfmt = init_gen_rand(SEED); - for (i = 0; i < NBAGS; i++) { - switch (i) { - case 0: - /* Insert in order. */ - for (j = 0; j < NNODES; j++) - bag[j] = j; - break; - case 1: - /* Insert in reverse order. */ - for (j = 0; j < NNODES; j++) - bag[j] = NNODES - j - 1; - break; - default: - for (j = 0; j < NNODES; j++) - bag[j] = gen_rand64_range(sfmt, NNODES); - } - - for (j = 1; j <= NNODES; j++) { - /* Initialize heap and nodes. */ - heap_new(&heap); - assert_u_eq(heap_validate(&heap), 0, - "Incorrect node count"); - for (k = 0; k < j; k++) { - nodes[k].magic = NODE_MAGIC; - nodes[k].key = bag[k]; - } - - /* Insert nodes. */ - for (k = 0; k < j; k++) { - heap_insert(&heap, &nodes[k]); - if (i % 13 == 12) { - /* Trigger merging. */ - assert_ptr_not_null(heap_first(&heap), - "Heap should not be empty"); - } - assert_u_eq(heap_validate(&heap), k + 1, - "Incorrect node count"); - } - - assert_false(heap_empty(&heap), - "Heap should not be empty"); - - /* Remove nodes. */ - switch (i % 4) { - case 0: - for (k = 0; k < j; k++) { - assert_u_eq(heap_validate(&heap), j - k, - "Incorrect node count"); - node_remove(&heap, &nodes[k]); - assert_u_eq(heap_validate(&heap), j - k - - 1, "Incorrect node count"); - } - break; - case 1: - for (k = j; k > 0; k--) { - node_remove(&heap, &nodes[k-1]); - assert_u_eq(heap_validate(&heap), k - 1, - "Incorrect node count"); - } - break; - case 2: { - node_t *prev = NULL; - for (k = 0; k < j; k++) { - node_t *node = node_remove_first(&heap); - assert_u_eq(heap_validate(&heap), j - k - - 1, "Incorrect node count"); - if (prev != NULL) { - assert_d_ge(node_cmp(node, - prev), 0, - "Bad removal order"); - } - prev = node; - } - break; - } case 3: { - node_t *prev = NULL; - for (k = 0; k < j; k++) { - node_t *node = heap_first(&heap); - assert_u_eq(heap_validate(&heap), j - k, - "Incorrect node count"); - if (prev != NULL) { - assert_d_ge(node_cmp(node, - prev), 0, - "Bad removal order"); - } - node_remove(&heap, node); - assert_u_eq(heap_validate(&heap), j - k - - 1, "Incorrect node count"); - prev = node; - } - break; - } default: - not_reached(); - } - - assert_ptr_null(heap_first(&heap), - "Heap should be empty"); - assert_true(heap_empty(&heap), "Heap should be empty"); - } - } - fini_gen_rand(sfmt); -#undef NNODES -#undef SEED -} -TEST_END - -int -main(void) -{ - - return (test( - test_ph_empty, - test_ph_random)); -} |