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Diffstat (limited to 'src/test/test-hashmap-plain.c')
| -rw-r--r-- | src/test/test-hashmap-plain.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/test-hashmap-plain.c b/src/test/test-hashmap-plain.c index f7917521c..d27d5ec81 100644 --- a/src/test/test-hashmap-plain.c +++ b/src/test/test-hashmap-plain.c @@ -380,6 +380,7 @@ static void test_hashmap_remove_and_replace(void) { void *key2 = UINT_TO_PTR(2); void *key3 = UINT_TO_PTR(3); void *r; + int i, j; m = hashmap_new(&trivial_hash_ops); assert_se(m); @@ -407,6 +408,25 @@ static void test_hashmap_remove_and_replace(void) { r = hashmap_get(m, key2); assert_se(r == key2); assert_se(!hashmap_get(m, key3)); + + /* Repeat this test several times to increase the chance of hitting + * the less likely case in hashmap_remove_and_replace where it + * compensates for the backward shift. */ + for (i = 0; i < 20; i++) { + hashmap_clear(m); + + for (j = 1; j < 7; j++) + hashmap_put(m, UINT_TO_PTR(10*i + j), UINT_TO_PTR(10*i + j)); + valid = hashmap_remove_and_replace(m, UINT_TO_PTR(10*i + 1), + UINT_TO_PTR(10*i + 2), + UINT_TO_PTR(10*i + 2)); + assert_se(valid == 0); + assert_se(!hashmap_get(m, UINT_TO_PTR(10*i + 1))); + for (j = 2; j < 7; j++) { + r = hashmap_get(m, UINT_TO_PTR(10*i + j)); + assert_se(r == UINT_TO_PTR(10*i + j)); + } + } } static void test_hashmap_ensure_allocated(void) { |