diff options
Diffstat (limited to 'lib/hipe/test/basic_SUITE_data/basic_guards.erl')
| -rw-r--r-- | lib/hipe/test/basic_SUITE_data/basic_guards.erl | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/hipe/test/basic_SUITE_data/basic_guards.erl b/lib/hipe/test/basic_SUITE_data/basic_guards.erl index 50c0ddd972..a519944916 100644 --- a/lib/hipe/test/basic_SUITE_data/basic_guards.erl +++ b/lib/hipe/test/basic_SUITE_data/basic_guards.erl @@ -13,6 +13,7 @@ test() -> ok = guard1([foo]), ok = test_guard2(), ok = test_guard3(), + ok = test_guard4(), ok. %%-------------------------------------------------------------------- @@ -56,3 +57,19 @@ test_guard3() -> f(X) when ?is_foo(X) -> yes; f(_) -> no. + +%%-------------------------------------------------------------------- + +-define(EXT_REF, <<131,114,0,3,100,0,19,114,101,102,95,116,101,115,116,95,98,117,103,64,103,111,114,98,97,103,2,0,0,0,125,0,0,0,0,0,0,0,0>>). + +test_guard4() -> + yes = is_ref(make_ref()), + no = is_ref(gazonk), + yes = is_ref(an_external_ref(?EXT_REF)), + ok. + +is_ref(Ref) when is_reference(Ref) -> yes; +is_ref(_Ref) -> no. + +an_external_ref(Bin) -> + binary_to_term(Bin). |