1 files changed, 31 insertions, 0 deletions
diff --git a/lib/hipe/test/maps_SUITE_data/maps_guard_bifs.erl b/lib/hipe/test/maps_SUITE_data/maps_guard_bifs.erl
new file mode 100644
index 0000000000..61a0eaa1e7
--- /dev/null
+++ b/lib/hipe/test/maps_SUITE_data/maps_guard_bifs.erl
@@ -0,0 +1,31 @@
+-module(maps_guard_bifs).
+-export([test/0]).
+
+test() ->
+    true   = map_guard_empty(),
+    true   = map_guard_empty_2(),
+    true   = map_guard_head(#{a=>1}),
+    false  = map_guard_head([]),
+    true   = map_guard_body(#{a=>1}),
+    false  = map_guard_body({}),
+    true   = map_guard_pattern(#{a=>1, <<"hi">> => "hi" }),
+    false  = map_guard_pattern("list"),
+    true   = map_guard_tautology(),
+    true   = map_guard_ill_map_size(),
+    ok.
+
+map_guard_empty() when is_map(#{}); false -> true.
+
+map_guard_empty_2() when true; #{} andalso false -> true.
+
+map_guard_head(M) when is_map(M) -> true;
+map_guard_head(_) -> false.
+
+map_guard_body(M) -> is_map(M).
+
+map_guard_pattern(#{}) -> true;
+map_guard_pattern(_)   -> false.
+
+map_guard_tautology() when #{} =:= #{}; true -> true.
+
+map_guard_ill_map_size() when true; map_size(0) -> true.