diff options
| -rw-r--r-- | lib/compiler/test/match_SUITE.erl | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/compiler/test/match_SUITE.erl b/lib/compiler/test/match_SUITE.erl index cf5ecf4fc2..9406d7de8f 100644 --- a/lib/compiler/test/match_SUITE.erl +++ b/lib/compiler/test/match_SUITE.erl @@ -22,7 +22,7 @@ init_per_group/2,end_per_group/2, pmatch/1,mixed/1,aliases/1,match_in_call/1, untuplify/1,shortcut_boolean/1,letify_guard/1, - selectify/1,underscore/1]). + selectify/1,underscore/1,coverage/1]). -include_lib("test_server/include/test_server.hrl"). @@ -31,7 +31,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> test_lib:recompile(?MODULE), [pmatch, mixed, aliases, match_in_call, untuplify, - shortcut_boolean, letify_guard, selectify, underscore]. + shortcut_boolean, letify_guard, selectify, underscore, coverage]. groups() -> []. @@ -398,4 +398,18 @@ underscore(Config) when is_list(Config) -> _ = is_list(Config), ok. +coverage(Config) when is_list(Config) -> + %% Cover beam_dead. + ok = coverage_1(x, a), + ok = coverage_1(x, b). + +coverage_1(B, Tag) -> + case Tag of + a -> coverage_2(1, a, B); + b -> coverage_2(2, b, B) + end. + +coverage_2(1, a, x) -> ok; +coverage_2(2, b, x) -> ok. + id(I) -> I. |