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-rw-r--r--erts/emulator/test/map_SUITE.erl45
1 files changed, 45 insertions, 0 deletions
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
index 888ed8e272..e877f7a240 100644
--- a/erts/emulator/test/map_SUITE.erl
+++ b/erts/emulator/test/map_SUITE.erl
@@ -58,6 +58,7 @@
t_maps_without/1,
%% misc
+ t_erts_internal_order/1,
t_pdict/1,
t_ets/1,
t_dets/1,
@@ -96,6 +97,7 @@ all() -> [
%% Other functions
+ t_erts_internal_order,
t_pdict,
t_ets,
t_tracing
@@ -960,6 +962,49 @@ t_maps_without(_Config) ->
%% MISC
+
+t_erts_internal_order(_Config) when is_list(_Config) ->
+
+ -1 = erts_internal:cmp_term(1,2),
+ 1 = erts_internal:cmp_term(2,1),
+ 0 = erts_internal:cmp_term(2,2),
+
+
+ -1 = erts_internal:cmp_term(1,a),
+ 1 = erts_internal:cmp_term(a,1),
+ 0 = erts_internal:cmp_term(a,a),
+
+ -1 = erts_internal:cmp_term(1,1.0),
+ 1 = erts_internal:cmp_term(1.0,1),
+ 0 = erts_internal:cmp_term(1.0,1.0),
+
+ -1 = erts_internal:cmp_term(1,1 bsl 65),
+ 1 = erts_internal:cmp_term(1 bsl 65,1),
+ 0 = erts_internal:cmp_term(1 bsl 65, 1 bsl 65),
+
+ -1 = erts_internal:cmp_term(1 bsl 65,float(1)),
+ 1 = erts_internal:cmp_term(float(1),1 bsl 65),
+ -1 = erts_internal:cmp_term(1,float(1 bsl 65)),
+ 1 = erts_internal:cmp_term(float(1 bsl 65),1),
+ 0 = erts_internal:cmp_term(float(1 bsl 65), float(1 bsl 65)),
+
+ %% reported errors
+ -1 = erts_internal:cmp_term(0,2147483648),
+ 0 = erts_internal:cmp_term(2147483648,2147483648),
+ 1 = erts_internal:cmp_term(2147483648,0),
+
+ M = #{0 => 0,2147483648 => 0},
+ true = M =:= binary_to_term(term_to_binary(M)),
+
+ F1 = fun(_, _) -> 0 end,
+ F2 = fun(_, _) -> 1 end,
+ M0 = maps:from_list( [{-2147483649, 0}, {0,0}, {97, 0}, {false, 0}, {flower, 0}, {F1, 0}, {F2, 0}, {<<>>, 0}]),
+ M1 = maps:merge(M0, #{0 => 1}),
+ 8 = maps:size(M1),
+ 1 = maps:get(0,M1),
+ ok.
+
+
t_pdict(_Config) ->
put(#{ a => b, b => a},#{ c => d}),