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#include "test/jemalloc_test.h"
static rtree_node_elm_t *
node_alloc(size_t nelms)
{
return ((rtree_node_elm_t *)calloc(nelms, sizeof(rtree_node_elm_t)));
}
static void
node_dalloc(rtree_node_elm_t *node)
{
free(node);
}
TEST_BEGIN(test_rtree_get_empty)
{
unsigned i;
for (i = 1; i <= (sizeof(uintptr_t) << 3); i++) {
rtree_t rtree;
assert_false(rtree_new(&rtree, i, node_alloc, node_dalloc),
"Unexpected rtree_new() failure");
assert_ptr_null(rtree_get(&rtree, 0, false),
"rtree_get() should return NULL for empty tree");
rtree_delete(&rtree);
}
}
TEST_END
TEST_BEGIN(test_rtree_extrema)
{
unsigned i;
extent_node_t node_a, node_b;
for (i = 1; i <= (sizeof(uintptr_t) << 3); i++) {
rtree_t rtree;
assert_false(rtree_new(&rtree, i, node_alloc, node_dalloc),
"Unexpected rtree_new() failure");
assert_false(rtree_set(&rtree, 0, &node_a),
"Unexpected rtree_set() failure");
assert_ptr_eq(rtree_get(&rtree, 0, true), &node_a,
"rtree_get() should return previously set value");
assert_false(rtree_set(&rtree, ~((uintptr_t)0), &node_b),
"Unexpected rtree_set() failure");
assert_ptr_eq(rtree_get(&rtree, ~((uintptr_t)0), true), &node_b,
"rtree_get() should return previously set value");
rtree_delete(&rtree);
}
}
TEST_END
TEST_BEGIN(test_rtree_bits)
{
unsigned i, j, k;
for (i = 1; i < (sizeof(uintptr_t) << 3); i++) {
uintptr_t keys[] = {0, 1,
(((uintptr_t)1) << (sizeof(uintptr_t)*8-i)) - 1};
extent_node_t node;
rtree_t rtree;
assert_false(rtree_new(&rtree, i, node_alloc, node_dalloc),
"Unexpected rtree_new() failure");
for (j = 0; j < sizeof(keys)/sizeof(uintptr_t); j++) {
assert_false(rtree_set(&rtree, keys[j], &node),
"Unexpected rtree_set() failure");
for (k = 0; k < sizeof(keys)/sizeof(uintptr_t); k++) {
assert_ptr_eq(rtree_get(&rtree, keys[k], true),
&node, "rtree_get() should return "
"previously set value and ignore "
"insignificant key bits; i=%u, j=%u, k=%u, "
"set key=%#"FMTxPTR", get key=%#"FMTxPTR, i,
j, k, keys[j], keys[k]);
}
assert_ptr_null(rtree_get(&rtree,
(((uintptr_t)1) << (sizeof(uintptr_t)*8-i)), false),
"Only leftmost rtree leaf should be set; "
"i=%u, j=%u", i, j);
assert_false(rtree_set(&rtree, keys[j], NULL),
"Unexpected rtree_set() failure");
}
rtree_delete(&rtree);
}
}
TEST_END
TEST_BEGIN(test_rtree_random)
{
unsigned i;
sfmt_t *sfmt;
#define NSET 16
#define SEED 42
sfmt = init_gen_rand(SEED);
for (i = 1; i <= (sizeof(uintptr_t) << 3); i++) {
uintptr_t keys[NSET];
extent_node_t node;
unsigned j;
rtree_t rtree;
assert_false(rtree_new(&rtree, i, node_alloc, node_dalloc),
"Unexpected rtree_new() failure");
for (j = 0; j < NSET; j++) {
keys[j] = (uintptr_t)gen_rand64(sfmt);
assert_false(rtree_set(&rtree, keys[j], &node),
"Unexpected rtree_set() failure");
assert_ptr_eq(rtree_get(&rtree, keys[j], true), &node,
"rtree_get() should return previously set value");
}
for (j = 0; j < NSET; j++) {
assert_ptr_eq(rtree_get(&rtree, keys[j], true), &node,
"rtree_get() should return previously set value");
}
for (j = 0; j < NSET; j++) {
assert_false(rtree_set(&rtree, keys[j], NULL),
"Unexpected rtree_set() failure");
assert_ptr_null(rtree_get(&rtree, keys[j], true),
"rtree_get() should return previously set value");
}
for (j = 0; j < NSET; j++) {
assert_ptr_null(rtree_get(&rtree, keys[j], true),
"rtree_get() should return previously set value");
}
rtree_delete(&rtree);
}
fini_gen_rand(sfmt);
#undef NSET
#undef SEED
}
TEST_END
int
main(void)
{
return (test(
test_rtree_get_empty,
test_rtree_extrema,
test_rtree_bits,
test_rtree_random));
}
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