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#include "test/jemalloc_test.h"
#include "jemalloc/internal/rtree.h"
rtree_node_alloc_t *rtree_node_alloc_orig;
rtree_node_dalloc_t *rtree_node_dalloc_orig;
rtree_leaf_alloc_t *rtree_leaf_alloc_orig;
rtree_leaf_dalloc_t *rtree_leaf_dalloc_orig;
/* Potentially too large to safely place on the stack. */
rtree_t test_rtree;
static rtree_node_elm_t *
rtree_node_alloc_intercept(tsdn_t *tsdn, rtree_t *rtree, size_t nelms) {
rtree_node_elm_t *node;
if (rtree != &test_rtree) {
return rtree_node_alloc_orig(tsdn, rtree, nelms);
}
malloc_mutex_unlock(tsdn, &rtree->init_lock);
node = (rtree_node_elm_t *)calloc(nelms, sizeof(rtree_node_elm_t));
assert_ptr_not_null(node, "Unexpected calloc() failure");
malloc_mutex_lock(tsdn, &rtree->init_lock);
return node;
}
static void
rtree_node_dalloc_intercept(tsdn_t *tsdn, rtree_t *rtree,
rtree_node_elm_t *node) {
if (rtree != &test_rtree) {
rtree_node_dalloc_orig(tsdn, rtree, node);
return;
}
free(node);
}
static rtree_leaf_elm_t *
rtree_leaf_alloc_intercept(tsdn_t *tsdn, rtree_t *rtree, size_t nelms) {
rtree_leaf_elm_t *leaf;
if (rtree != &test_rtree) {
return rtree_leaf_alloc_orig(tsdn, rtree, nelms);
}
malloc_mutex_unlock(tsdn, &rtree->init_lock);
leaf = (rtree_leaf_elm_t *)calloc(nelms, sizeof(rtree_leaf_elm_t));
assert_ptr_not_null(leaf, "Unexpected calloc() failure");
malloc_mutex_lock(tsdn, &rtree->init_lock);
return leaf;
}
static void
rtree_leaf_dalloc_intercept(tsdn_t *tsdn, rtree_t *rtree,
rtree_leaf_elm_t *leaf) {
if (rtree != &test_rtree) {
rtree_leaf_dalloc_orig(tsdn, rtree, leaf);
return;
}
free(leaf);
}
TEST_BEGIN(test_rtree_read_empty) {
tsdn_t *tsdn;
tsdn = tsdn_fetch();
rtree_t *rtree = &test_rtree;
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
assert_false(rtree_new(rtree, false), "Unexpected rtree_new() failure");
assert_ptr_null(rtree_extent_read(tsdn, rtree, &rtree_ctx, PAGE,
false), "rtree_extent_read() should return NULL for empty tree");
rtree_delete(tsdn, rtree);
}
TEST_END
#undef NTHREADS
#undef NITERS
#undef SEED
TEST_BEGIN(test_rtree_extrema) {
extent_t extent_a, extent_b;
extent_init(&extent_a, NULL, NULL, LARGE_MINCLASS, false,
sz_size2index(LARGE_MINCLASS), 0, extent_state_active, false,
false, true);
extent_init(&extent_b, NULL, NULL, 0, false, NSIZES, 0,
extent_state_active, false, false, true);
tsdn_t *tsdn = tsdn_fetch();
rtree_t *rtree = &test_rtree;
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
assert_false(rtree_new(rtree, false), "Unexpected rtree_new() failure");
assert_false(rtree_write(tsdn, rtree, &rtree_ctx, PAGE, &extent_a,
extent_szind_get(&extent_a), extent_slab_get(&extent_a)),
"Unexpected rtree_write() failure");
rtree_szind_slab_update(tsdn, rtree, &rtree_ctx, PAGE,
extent_szind_get(&extent_a), extent_slab_get(&extent_a));
assert_ptr_eq(rtree_extent_read(tsdn, rtree, &rtree_ctx, PAGE, true),
&extent_a,
"rtree_extent_read() should return previously set value");
assert_false(rtree_write(tsdn, rtree, &rtree_ctx, ~((uintptr_t)0),
&extent_b, extent_szind_get_maybe_invalid(&extent_b),
extent_slab_get(&extent_b)), "Unexpected rtree_write() failure");
assert_ptr_eq(rtree_extent_read(tsdn, rtree, &rtree_ctx,
~((uintptr_t)0), true), &extent_b,
"rtree_extent_read() should return previously set value");
rtree_delete(tsdn, rtree);
}
TEST_END
TEST_BEGIN(test_rtree_bits) {
tsdn_t *tsdn = tsdn_fetch();
uintptr_t keys[] = {PAGE, PAGE + 1,
PAGE + (((uintptr_t)1) << LG_PAGE) - 1};
extent_t extent;
extent_init(&extent, NULL, NULL, 0, false, NSIZES, 0,
extent_state_active, false, false, true);
rtree_t *rtree = &test_rtree;
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
assert_false(rtree_new(rtree, false), "Unexpected rtree_new() failure");
for (unsigned i = 0; i < sizeof(keys)/sizeof(uintptr_t); i++) {
assert_false(rtree_write(tsdn, rtree, &rtree_ctx, keys[i],
&extent, NSIZES, false),
"Unexpected rtree_write() failure");
for (unsigned j = 0; j < sizeof(keys)/sizeof(uintptr_t); j++) {
assert_ptr_eq(rtree_extent_read(tsdn, rtree, &rtree_ctx,
keys[j], true), &extent,
"rtree_extent_read() should return previously set "
"value and ignore insignificant key bits; i=%u, "
"j=%u, set key=%#"FMTxPTR", get key=%#"FMTxPTR, i,
j, keys[i], keys[j]);
}
assert_ptr_null(rtree_extent_read(tsdn, rtree, &rtree_ctx,
(((uintptr_t)2) << LG_PAGE), false),
"Only leftmost rtree leaf should be set; i=%u", i);
rtree_clear(tsdn, rtree, &rtree_ctx, keys[i]);
}
rtree_delete(tsdn, rtree);
}
TEST_END
TEST_BEGIN(test_rtree_random) {
#define NSET 16
#define SEED 42
sfmt_t *sfmt = init_gen_rand(SEED);
tsdn_t *tsdn = tsdn_fetch();
uintptr_t keys[NSET];
rtree_t *rtree = &test_rtree;
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
extent_t extent;
extent_init(&extent, NULL, NULL, 0, false, NSIZES, 0,
extent_state_active, false, false, true);
assert_false(rtree_new(rtree, false), "Unexpected rtree_new() failure");
for (unsigned i = 0; i < NSET; i++) {
keys[i] = (uintptr_t)gen_rand64(sfmt);
rtree_leaf_elm_t *elm = rtree_leaf_elm_lookup(tsdn, rtree,
&rtree_ctx, keys[i], false, true);
assert_ptr_not_null(elm,
"Unexpected rtree_leaf_elm_lookup() failure");
rtree_leaf_elm_write(tsdn, rtree, elm, &extent, NSIZES, false);
assert_ptr_eq(rtree_extent_read(tsdn, rtree, &rtree_ctx,
keys[i], true), &extent,
"rtree_extent_read() should return previously set value");
}
for (unsigned i = 0; i < NSET; i++) {
assert_ptr_eq(rtree_extent_read(tsdn, rtree, &rtree_ctx,
keys[i], true), &extent,
"rtree_extent_read() should return previously set value, "
"i=%u", i);
}
for (unsigned i = 0; i < NSET; i++) {
rtree_clear(tsdn, rtree, &rtree_ctx, keys[i]);
assert_ptr_null(rtree_extent_read(tsdn, rtree, &rtree_ctx,
keys[i], true),
"rtree_extent_read() should return previously set value");
}
for (unsigned i = 0; i < NSET; i++) {
assert_ptr_null(rtree_extent_read(tsdn, rtree, &rtree_ctx,
keys[i], true),
"rtree_extent_read() should return previously set value");
}
rtree_delete(tsdn, rtree);
fini_gen_rand(sfmt);
#undef NSET
#undef SEED
}
TEST_END
int
main(void) {
rtree_node_alloc_orig = rtree_node_alloc;
rtree_node_alloc = rtree_node_alloc_intercept;
rtree_node_dalloc_orig = rtree_node_dalloc;
rtree_node_dalloc = rtree_node_dalloc_intercept;
rtree_leaf_alloc_orig = rtree_leaf_alloc;
rtree_leaf_alloc = rtree_leaf_alloc_intercept;
rtree_leaf_dalloc_orig = rtree_leaf_dalloc;
rtree_leaf_dalloc = rtree_leaf_dalloc_intercept;
return test(
test_rtree_read_empty,
test_rtree_extrema,
test_rtree_bits,
test_rtree_random);
}
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