diff options
Diffstat (limited to 'gcc/hash-map-tests.c')
| -rw-r--r-- | gcc/hash-map-tests.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/hash-map-tests.c b/gcc/hash-map-tests.c index 743fb26..63574029 100644 --- a/gcc/hash-map-tests.c +++ b/gcc/hash-map-tests.c @@ -280,6 +280,27 @@ test_map_of_type_with_ctor_and_dtor () } } +/* Test calling empty on a hash_map that has a key type with non-zero + "empty" value. */ + +static void +test_nonzero_empty_key () +{ + typedef int_hash<int, INT_MIN, INT_MAX> IntHash; + hash_map<int, int, simple_hashmap_traits<IntHash, int> > x; + + for (int i = 1; i != 32; ++i) + x.put (i, i); + + ASSERT_EQ (x.get (0), NULL); + ASSERT_EQ (*x.get (1), 1); + + x.empty (); + + ASSERT_EQ (x.get (0), NULL); + ASSERT_EQ (x.get (1), NULL); +} + /* Run all of the selftests within this file. */ void @@ -288,6 +309,7 @@ hash_map_tests_c_tests () test_map_of_strings_to_int (); test_map_of_int_to_strings (); test_map_of_type_with_ctor_and_dtor (); + test_nonzero_empty_key (); } } // namespace selftest |