diff options
Diffstat (limited to 'lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug4.erl')
| -rw-r--r-- | lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug4.erl | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug4.erl b/lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug4.erl new file mode 100644 index 0000000000..a7ddc80fe8 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug4.erl @@ -0,0 +1,21 @@ +%%--------------------------------------------------------------------- +%% A test for which the analysis gave wrong results due to erroneous +%% specialization and incorrect handling of unions. +%%--------------------------------------------------------------------- + +-module(opaque_bug4). + +-export([ok/0, wrong/0]). + +%-spec ok() -> 'ok'. +ok() -> + L = opaque_adt:atom_or_list(42), + foo(L). + +%-spec wrong() -> 'not_ok'. +wrong() -> + A = opaque_adt:atom_or_list(1), + foo(A). + +foo(a) -> not_ok; +foo([_|_]) -> ok. |