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authorwolfbeast <mcwerewolf@gmail.com>2018-04-28 17:55:46 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-04-28 17:57:05 +0200
commitb53db93006f732fb2e140137e4713dedca1700d9 (patch)
treea2c1817c0fa6dd40d7da600148db70566e3a359d /memory/jemalloc/src/test/unit/rb.c
parentdb4b6dc1dab3dd099c93253b96fbe8089c2f9e60 (diff)
parentf7b98c15a1c0a458b4bfa420f1743c8abfbdf7a8 (diff)
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Merge branch 'malloc-rewrite'
This resolves #263.
Diffstat (limited to 'memory/jemalloc/src/test/unit/rb.c')
-rw-r--r--memory/jemalloc/src/test/unit/rb.c354
1 files changed, 0 insertions, 354 deletions
diff --git a/memory/jemalloc/src/test/unit/rb.c b/memory/jemalloc/src/test/unit/rb.c
deleted file mode 100644
index cf3d3a783..000000000
--- a/memory/jemalloc/src/test/unit/rb.c
+++ /dev/null
@@ -1,354 +0,0 @@
-#include "test/jemalloc_test.h"
-
-#define rbtn_black_height(a_type, a_field, a_rbt, r_height) do { \
- a_type *rbp_bh_t; \
- for (rbp_bh_t = (a_rbt)->rbt_root, (r_height) = 0; \
- rbp_bh_t != NULL; \
- rbp_bh_t = rbtn_left_get(a_type, a_field, rbp_bh_t)) { \
- if (!rbtn_red_get(a_type, a_field, rbp_bh_t)) { \
- (r_height)++; \
- } \
- } \
-} while (0)
-
-typedef struct node_s node_t;
-
-struct node_s {
-#define NODE_MAGIC 0x9823af7e
- uint32_t magic;
- rb_node(node_t) link;
- uint64_t key;
-};
-
-static int
-node_cmp(const node_t *a, const node_t *b) {
- int ret;
-
- assert_u32_eq(a->magic, NODE_MAGIC, "Bad magic");
- assert_u32_eq(b->magic, NODE_MAGIC, "Bad magic");
-
- ret = (a->key > b->key) - (a->key < b->key);
- if (ret == 0) {
- /*
- * Duplicates are not allowed in the tree, 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);
-}
-
-typedef rb_tree(node_t) tree_t;
-rb_gen(static, tree_, tree_t, node_t, link, node_cmp);
-
-TEST_BEGIN(test_rb_empty)
-{
- tree_t tree;
- node_t key;
-
- tree_new(&tree);
-
- assert_true(tree_empty(&tree), "Tree should be empty");
- assert_ptr_null(tree_first(&tree), "Unexpected node");
- assert_ptr_null(tree_last(&tree), "Unexpected node");
-
- key.key = 0;
- key.magic = NODE_MAGIC;
- assert_ptr_null(tree_search(&tree, &key), "Unexpected node");
-
- key.key = 0;
- key.magic = NODE_MAGIC;
- assert_ptr_null(tree_nsearch(&tree, &key), "Unexpected node");
-
- key.key = 0;
- key.magic = NODE_MAGIC;
- assert_ptr_null(tree_psearch(&tree, &key), "Unexpected node");
-}
-TEST_END
-
-static unsigned
-tree_recurse(node_t *node, unsigned black_height, unsigned black_depth)
-{
- unsigned ret = 0;
- node_t *left_node;
- node_t *right_node;
-
- if (node == NULL)
- return (ret);
-
- left_node = rbtn_left_get(node_t, link, node);
- right_node = rbtn_right_get(node_t, link, node);
-
- if (!rbtn_red_get(node_t, link, node))
- black_depth++;
-
- /* Red nodes must be interleaved with black nodes. */
- if (rbtn_red_get(node_t, link, node)) {
- if (left_node != NULL)
- assert_false(rbtn_red_get(node_t, link, left_node),
- "Node should be black");
- if (right_node != NULL)
- assert_false(rbtn_red_get(node_t, link, right_node),
- "Node should be black");
- }
-
- /* Self. */
- assert_u32_eq(node->magic, NODE_MAGIC, "Bad magic");
-
- /* Left subtree. */
- if (left_node != NULL)
- ret += tree_recurse(left_node, black_height, black_depth);
- else
- ret += (black_depth != black_height);
-
- /* Right subtree. */
- if (right_node != NULL)
- ret += tree_recurse(right_node, black_height, black_depth);
- else
- ret += (black_depth != black_height);
-
- return (ret);
-}
-
-static node_t *
-tree_iterate_cb(tree_t *tree, node_t *node, void *data)
-{
- unsigned *i = (unsigned *)data;
- node_t *search_node;
-
- assert_u32_eq(node->magic, NODE_MAGIC, "Bad magic");
-
- /* Test rb_search(). */
- search_node = tree_search(tree, node);
- assert_ptr_eq(search_node, node,
- "tree_search() returned unexpected node");
-
- /* Test rb_nsearch(). */
- search_node = tree_nsearch(tree, node);
- assert_ptr_eq(search_node, node,
- "tree_nsearch() returned unexpected node");
-
- /* Test rb_psearch(). */
- search_node = tree_psearch(tree, node);
- assert_ptr_eq(search_node, node,
- "tree_psearch() returned unexpected node");
-
- (*i)++;
-
- return (NULL);
-}
-
-static unsigned
-tree_iterate(tree_t *tree)
-{
- unsigned i;
-
- i = 0;
- tree_iter(tree, NULL, tree_iterate_cb, (void *)&i);
-
- return (i);
-}
-
-static unsigned
-tree_iterate_reverse(tree_t *tree)
-{
- unsigned i;
-
- i = 0;
- tree_reverse_iter(tree, NULL, tree_iterate_cb, (void *)&i);
-
- return (i);
-}
-
-static void
-node_remove(tree_t *tree, node_t *node, unsigned nnodes)
-{
- node_t *search_node;
- unsigned black_height, imbalances;
-
- tree_remove(tree, node);
-
- /* Test rb_nsearch(). */
- search_node = tree_nsearch(tree, node);
- if (search_node != NULL) {
- assert_u64_ge(search_node->key, node->key,
- "Key ordering error");
- }
-
- /* Test rb_psearch(). */
- search_node = tree_psearch(tree, node);
- if (search_node != NULL) {
- assert_u64_le(search_node->key, node->key,
- "Key ordering error");
- }
-
- node->magic = 0;
-
- rbtn_black_height(node_t, link, tree, black_height);
- imbalances = tree_recurse(tree->rbt_root, black_height, 0);
- assert_u_eq(imbalances, 0, "Tree is unbalanced");
- assert_u_eq(tree_iterate(tree), nnodes-1,
- "Unexpected node iteration count");
- assert_u_eq(tree_iterate_reverse(tree), nnodes-1,
- "Unexpected node iteration count");
-}
-
-static node_t *
-remove_iterate_cb(tree_t *tree, node_t *node, void *data)
-{
- unsigned *nnodes = (unsigned *)data;
- node_t *ret = tree_next(tree, node);
-
- node_remove(tree, node, *nnodes);
-
- return (ret);
-}
-
-static node_t *
-remove_reverse_iterate_cb(tree_t *tree, node_t *node, void *data)
-{
- unsigned *nnodes = (unsigned *)data;
- node_t *ret = tree_prev(tree, node);
-
- node_remove(tree, node, *nnodes);
-
- return (ret);
-}
-
-static void
-destroy_cb(node_t *node, void *data)
-{
- unsigned *nnodes = (unsigned *)data;
-
- assert_u_gt(*nnodes, 0, "Destruction removed too many nodes");
- (*nnodes)--;
-}
-
-TEST_BEGIN(test_rb_random)
-{
-#define NNODES 25
-#define NBAGS 250
-#define SEED 42
- sfmt_t *sfmt;
- uint64_t bag[NNODES];
- tree_t tree;
- node_t nodes[NNODES];
- unsigned i, j, k, black_height, imbalances;
-
- 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 tree and nodes. */
- tree_new(&tree);
- for (k = 0; k < j; k++) {
- nodes[k].magic = NODE_MAGIC;
- nodes[k].key = bag[k];
- }
-
- /* Insert nodes. */
- for (k = 0; k < j; k++) {
- tree_insert(&tree, &nodes[k]);
-
- rbtn_black_height(node_t, link, &tree,
- black_height);
- imbalances = tree_recurse(tree.rbt_root,
- black_height, 0);
- assert_u_eq(imbalances, 0,
- "Tree is unbalanced");
-
- assert_u_eq(tree_iterate(&tree), k+1,
- "Unexpected node iteration count");
- assert_u_eq(tree_iterate_reverse(&tree), k+1,
- "Unexpected node iteration count");
-
- assert_false(tree_empty(&tree),
- "Tree should not be empty");
- assert_ptr_not_null(tree_first(&tree),
- "Tree should not be empty");
- assert_ptr_not_null(tree_last(&tree),
- "Tree should not be empty");
-
- tree_next(&tree, &nodes[k]);
- tree_prev(&tree, &nodes[k]);
- }
-
- /* Remove nodes. */
- switch (i % 5) {
- case 0:
- for (k = 0; k < j; k++)
- node_remove(&tree, &nodes[k], j - k);
- break;
- case 1:
- for (k = j; k > 0; k--)
- node_remove(&tree, &nodes[k-1], k);
- break;
- case 2: {
- node_t *start;
- unsigned nnodes = j;
-
- start = NULL;
- do {
- start = tree_iter(&tree, start,
- remove_iterate_cb, (void *)&nnodes);
- nnodes--;
- } while (start != NULL);
- assert_u_eq(nnodes, 0,
- "Removal terminated early");
- break;
- } case 3: {
- node_t *start;
- unsigned nnodes = j;
-
- start = NULL;
- do {
- start = tree_reverse_iter(&tree, start,
- remove_reverse_iterate_cb,
- (void *)&nnodes);
- nnodes--;
- } while (start != NULL);
- assert_u_eq(nnodes, 0,
- "Removal terminated early");
- break;
- } case 4: {
- unsigned nnodes = j;
- tree_destroy(&tree, destroy_cb, &nnodes);
- assert_u_eq(nnodes, 0,
- "Destruction terminated early");
- break;
- } default:
- not_reached();
- }
- }
- }
- fini_gen_rand(sfmt);
-#undef NNODES
-#undef NBAGS
-#undef SEED
-}
-TEST_END
-
-int
-main(void)
-{
-
- return (test(
- test_rb_empty,
- test_rb_random));
-}