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Diffstat (limited to 'deps/jemalloc/test/unit/qr.c')
| -rw-r--r-- | deps/jemalloc/test/unit/qr.c | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/qr.c b/deps/jemalloc/test/unit/qr.c new file mode 100644 index 0000000..16eed0e --- /dev/null +++ b/deps/jemalloc/test/unit/qr.c @@ -0,0 +1,243 @@ +#include "test/jemalloc_test.h" + +#include "jemalloc/internal/qr.h" + +/* Number of ring entries, in [2..26]. */ +#define NENTRIES 9 +/* Split index, in [1..NENTRIES). */ +#define SPLIT_INDEX 5 + +typedef struct ring_s ring_t; + +struct ring_s { + qr(ring_t) link; + char id; +}; + +static void +init_entries(ring_t *entries) { + unsigned i; + + for (i = 0; i < NENTRIES; i++) { + qr_new(&entries[i], link); + entries[i].id = 'a' + i; + } +} + +static void +test_independent_entries(ring_t *entries) { + ring_t *t; + unsigned i, j; + + for (i = 0; i < NENTRIES; i++) { + j = 0; + qr_foreach(t, &entries[i], link) { + j++; + } + expect_u_eq(j, 1, + "Iteration over single-element ring should visit precisely " + "one element"); + } + for (i = 0; i < NENTRIES; i++) { + j = 0; + qr_reverse_foreach(t, &entries[i], link) { + j++; + } + expect_u_eq(j, 1, + "Iteration over single-element ring should visit precisely " + "one element"); + } + for (i = 0; i < NENTRIES; i++) { + t = qr_next(&entries[i], link); + expect_ptr_eq(t, &entries[i], + "Next element in single-element ring should be same as " + "current element"); + } + for (i = 0; i < NENTRIES; i++) { + t = qr_prev(&entries[i], link); + expect_ptr_eq(t, &entries[i], + "Previous element in single-element ring should be same as " + "current element"); + } +} + +TEST_BEGIN(test_qr_one) { + ring_t entries[NENTRIES]; + + init_entries(entries); + test_independent_entries(entries); +} +TEST_END + +static void +test_entries_ring(ring_t *entries) { + ring_t *t; + unsigned i, j; + + for (i = 0; i < NENTRIES; i++) { + j = 0; + qr_foreach(t, &entries[i], link) { + expect_c_eq(t->id, entries[(i+j) % NENTRIES].id, + "Element id mismatch"); + j++; + } + } + for (i = 0; i < NENTRIES; i++) { + j = 0; + qr_reverse_foreach(t, &entries[i], link) { + expect_c_eq(t->id, entries[(NENTRIES+i-j-1) % + NENTRIES].id, "Element id mismatch"); + j++; + } + } + for (i = 0; i < NENTRIES; i++) { + t = qr_next(&entries[i], link); + expect_c_eq(t->id, entries[(i+1) % NENTRIES].id, + "Element id mismatch"); + } + for (i = 0; i < NENTRIES; i++) { + t = qr_prev(&entries[i], link); + expect_c_eq(t->id, entries[(NENTRIES+i-1) % NENTRIES].id, + "Element id mismatch"); + } +} + +TEST_BEGIN(test_qr_after_insert) { + ring_t entries[NENTRIES]; + unsigned i; + + init_entries(entries); + for (i = 1; i < NENTRIES; i++) { + qr_after_insert(&entries[i - 1], &entries[i], link); + } + test_entries_ring(entries); +} +TEST_END + +TEST_BEGIN(test_qr_remove) { + ring_t entries[NENTRIES]; + ring_t *t; + unsigned i, j; + + init_entries(entries); + for (i = 1; i < NENTRIES; i++) { + qr_after_insert(&entries[i - 1], &entries[i], link); + } + + for (i = 0; i < NENTRIES; i++) { + j = 0; + qr_foreach(t, &entries[i], link) { + expect_c_eq(t->id, entries[i+j].id, + "Element id mismatch"); + j++; + } + j = 0; + qr_reverse_foreach(t, &entries[i], link) { + expect_c_eq(t->id, entries[NENTRIES - 1 - j].id, + "Element id mismatch"); + j++; + } + qr_remove(&entries[i], link); + } + test_independent_entries(entries); +} +TEST_END + +TEST_BEGIN(test_qr_before_insert) { + ring_t entries[NENTRIES]; + ring_t *t; + unsigned i, j; + + init_entries(entries); + for (i = 1; i < NENTRIES; i++) { + qr_before_insert(&entries[i - 1], &entries[i], link); + } + for (i = 0; i < NENTRIES; i++) { + j = 0; + qr_foreach(t, &entries[i], link) { + expect_c_eq(t->id, entries[(NENTRIES+i-j) % + NENTRIES].id, "Element id mismatch"); + j++; + } + } + for (i = 0; i < NENTRIES; i++) { + j = 0; + qr_reverse_foreach(t, &entries[i], link) { + expect_c_eq(t->id, entries[(i+j+1) % NENTRIES].id, + "Element id mismatch"); + j++; + } + } + for (i = 0; i < NENTRIES; i++) { + t = qr_next(&entries[i], link); + expect_c_eq(t->id, entries[(NENTRIES+i-1) % NENTRIES].id, + "Element id mismatch"); + } + for (i = 0; i < NENTRIES; i++) { + t = qr_prev(&entries[i], link); + expect_c_eq(t->id, entries[(i+1) % NENTRIES].id, + "Element id mismatch"); + } +} +TEST_END + +static void +test_split_entries(ring_t *entries) { + ring_t *t; + unsigned i, j; + + for (i = 0; i < NENTRIES; i++) { + j = 0; + qr_foreach(t, &entries[i], link) { + if (i < SPLIT_INDEX) { + expect_c_eq(t->id, + entries[(i+j) % SPLIT_INDEX].id, + "Element id mismatch"); + } else { + expect_c_eq(t->id, entries[(i+j-SPLIT_INDEX) % + (NENTRIES-SPLIT_INDEX) + SPLIT_INDEX].id, + "Element id mismatch"); + } + j++; + } + } +} + +TEST_BEGIN(test_qr_meld_split) { + ring_t entries[NENTRIES]; + unsigned i; + + init_entries(entries); + for (i = 1; i < NENTRIES; i++) { + qr_after_insert(&entries[i - 1], &entries[i], link); + } + + qr_split(&entries[0], &entries[SPLIT_INDEX], link); + test_split_entries(entries); + + qr_meld(&entries[0], &entries[SPLIT_INDEX], link); + test_entries_ring(entries); + + qr_meld(&entries[0], &entries[SPLIT_INDEX], link); + test_split_entries(entries); + + qr_split(&entries[0], &entries[SPLIT_INDEX], link); + test_entries_ring(entries); + + qr_split(&entries[0], &entries[0], link); + test_entries_ring(entries); + + qr_meld(&entries[0], &entries[0], link); + test_entries_ring(entries); +} +TEST_END + +int +main(void) { + return test( + test_qr_one, + test_qr_after_insert, + test_qr_remove, + test_qr_before_insert, + test_qr_meld_split); +} |