server-skynet-source-3rd-je.../test/unit/rtree.c

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#include "test/jemalloc_test.h"
#include "jemalloc/internal/rtree.h"
#define INVALID_ARENA_IND ((1U << MALLOCX_ARENA_BITS) - 1)
/* Potentially too large to safely place on the stack. */
rtree_t test_rtree;
TEST_BEGIN(test_rtree_read_empty) {
tsdn_t *tsdn;
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tsdn = tsdn_fetch();
base_t *base = base_new(tsdn, 0, &ehooks_default_extent_hooks);
expect_ptr_not_null(base, "Unexpected base_new failure");
rtree_t *rtree = &test_rtree;
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
expect_false(rtree_new(rtree, base, false),
"Unexpected rtree_new() failure");
expect_ptr_null(rtree_edata_read(tsdn, rtree, &rtree_ctx, PAGE,
false), "rtree_edata_read() should return NULL for empty tree");
base_delete(tsdn, base);
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}
TEST_END
#undef NTHREADS
#undef NITERS
#undef SEED
TEST_BEGIN(test_rtree_extrema) {
edata_t edata_a, edata_b;
edata_init(&edata_a, INVALID_ARENA_IND, NULL, SC_LARGE_MINCLASS,
false, sz_size2index(SC_LARGE_MINCLASS), 0,
extent_state_active, false, false, true, EXTENT_NOT_HEAD);
edata_init(&edata_b, INVALID_ARENA_IND, NULL, 0, false, SC_NSIZES, 0,
extent_state_active, false, false, true, EXTENT_NOT_HEAD);
tsdn_t *tsdn = tsdn_fetch();
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base_t *base = base_new(tsdn, 0, &ehooks_default_extent_hooks);
expect_ptr_not_null(base, "Unexpected base_new failure");
rtree_t *rtree = &test_rtree;
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
expect_false(rtree_new(rtree, base, false),
"Unexpected rtree_new() failure");
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expect_false(rtree_write(tsdn, rtree, &rtree_ctx, PAGE, &edata_a,
edata_szind_get(&edata_a), edata_slab_get(&edata_a)),
"Unexpected rtree_write() failure");
rtree_szind_slab_update(tsdn, rtree, &rtree_ctx, PAGE,
edata_szind_get(&edata_a), edata_slab_get(&edata_a));
expect_ptr_eq(rtree_edata_read(tsdn, rtree, &rtree_ctx, PAGE, true),
&edata_a,
"rtree_edata_read() should return previously set value");
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expect_false(rtree_write(tsdn, rtree, &rtree_ctx, ~((uintptr_t)0),
&edata_b, edata_szind_get_maybe_invalid(&edata_b),
edata_slab_get(&edata_b)), "Unexpected rtree_write() failure");
expect_ptr_eq(rtree_edata_read(tsdn, rtree, &rtree_ctx,
~((uintptr_t)0), true), &edata_b,
"rtree_edata_read() should return previously set value");
base_delete(tsdn, base);
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}
TEST_END
TEST_BEGIN(test_rtree_bits) {
tsdn_t *tsdn = tsdn_fetch();
base_t *base = base_new(tsdn, 0, &ehooks_default_extent_hooks);
expect_ptr_not_null(base, "Unexpected base_new failure");
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uintptr_t keys[] = {PAGE, PAGE + 1,
PAGE + (((uintptr_t)1) << LG_PAGE) - 1};
edata_t edata;
edata_init(&edata, INVALID_ARENA_IND, NULL, 0, false, SC_NSIZES, 0,
extent_state_active, false, false, true, EXTENT_NOT_HEAD);
rtree_t *rtree = &test_rtree;
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
expect_false(rtree_new(rtree, base, false),
"Unexpected rtree_new() failure");
for (unsigned i = 0; i < sizeof(keys)/sizeof(uintptr_t); i++) {
expect_false(rtree_write(tsdn, rtree, &rtree_ctx, keys[i],
&edata, SC_NSIZES, false),
"Unexpected rtree_write() failure");
for (unsigned j = 0; j < sizeof(keys)/sizeof(uintptr_t); j++) {
expect_ptr_eq(rtree_edata_read(tsdn, rtree, &rtree_ctx,
keys[j], true), &edata,
"rtree_edata_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]);
}
expect_ptr_null(rtree_edata_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]);
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}
base_delete(tsdn, base);
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}
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();
base_t *base = base_new(tsdn, 0, &ehooks_default_extent_hooks);
expect_ptr_not_null(base, "Unexpected base_new failure");
uintptr_t keys[NSET];
rtree_t *rtree = &test_rtree;
rtree_ctx_t rtree_ctx;
rtree_ctx_data_init(&rtree_ctx);
edata_t edata;
edata_init(&edata, INVALID_ARENA_IND, NULL, 0, false, SC_NSIZES, 0,
extent_state_active, false, false, true, EXTENT_NOT_HEAD);
expect_false(rtree_new(rtree, base, 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);
expect_ptr_not_null(elm,
"Unexpected rtree_leaf_elm_lookup() failure");
rtree_leaf_elm_write(tsdn, rtree, elm, &edata, SC_NSIZES,
false);
expect_ptr_eq(rtree_edata_read(tsdn, rtree, &rtree_ctx,
keys[i], true), &edata,
"rtree_edata_read() should return previously set value");
}
for (unsigned i = 0; i < NSET; i++) {
expect_ptr_eq(rtree_edata_read(tsdn, rtree, &rtree_ctx,
keys[i], true), &edata,
"rtree_edata_read() should return previously set value, "
"i=%u", i);
}
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for (unsigned i = 0; i < NSET; i++) {
rtree_clear(tsdn, rtree, &rtree_ctx, keys[i]);
expect_ptr_null(rtree_edata_read(tsdn, rtree, &rtree_ctx,
keys[i], true),
"rtree_edata_read() should return previously set value");
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}
for (unsigned i = 0; i < NSET; i++) {
expect_ptr_null(rtree_edata_read(tsdn, rtree, &rtree_ctx,
keys[i], true),
"rtree_edata_read() should return previously set value");
}
base_delete(tsdn, base);
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fini_gen_rand(sfmt);
#undef NSET
#undef SEED
}
TEST_END
int
main(void) {
return test(
test_rtree_read_empty,
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test_rtree_extrema,
test_rtree_bits,
test_rtree_random);
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}