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authorBjörn-Egil Dahlberg <[email protected]>2013-10-15 18:06:34 +0200
committerBjörn-Egil Dahlberg <[email protected]>2014-01-28 15:56:30 +0100
commit912f0f2aae82ee4316a2ee1863775bcf1d8a3ba2 (patch)
tree576578d4acec2a0e663bd7c861be94b7ef503527 /erts
parentac2954982d6089b0970798581b2230bdd1a065d5 (diff)
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erts: Add Map tests for erlang:phash/2
Diffstat (limited to 'erts')
-rw-r--r--erts/emulator/test/map_SUITE.erl60
1 files changed, 56 insertions, 4 deletions
diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl
index 27f35ccd29..70b5c33fb2 100644
--- a/erts/emulator/test/map_SUITE.erl
+++ b/erts/emulator/test/map_SUITE.erl
@@ -23,7 +23,7 @@
-export([
t_build_and_match_literals/1,
t_update_literals/1,t_match_and_update_literals/1,
- update_assoc/1,update_exact/1,
+ t_update_assoc/1,t_update_exact/1,
t_guard_bifs/1, t_guard_sequence/1, t_guard_update/1,
t_guard_receive/1, t_guard_fun/1,
t_list_comprehension/1,
@@ -55,7 +55,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() -> [
t_build_and_match_literals,
t_update_literals, t_match_and_update_literals,
- update_assoc,update_exact,
+ t_update_assoc,t_update_exact,
t_guard_bifs, t_guard_sequence, t_guard_update,
t_guard_receive,t_guard_fun, t_list_comprehension,
t_map_sort_literals,
@@ -178,7 +178,7 @@ loop_match_and_update_literals_x_q(Map, []) -> Map;
loop_match_and_update_literals_x_q(#{q:=Q0,x:=X0} = Map, [{X,Q}|Vs]) ->
loop_match_and_update_literals_x_q(Map#{q=>Q0+Q,x=>X0+X},Vs).
-update_assoc(Config) when is_list(Config) ->
+t_update_assoc(Config) when is_list(Config) ->
M0 = id(#{1=>a,2=>b,3.0=>c,4=>d,5=>e}),
M1 = M0#{1=>42,2=>100,4=>[a,b,c]},
@@ -195,7 +195,7 @@ update_assoc(Config) when is_list(Config) ->
ok.
-update_exact(Config) when is_list(Config) ->
+t_update_exact(Config) when is_list(Config) ->
M0 = id(#{1=>a,2=>b,3.0=>c,4=>d,5=>e}),
M1 = M0#{1:=42,2:=100,4:=[a,b,c]},
@@ -576,12 +576,23 @@ t_bif_map_values(Config) when is_list(Config) ->
t_erlang_hash(Config) when is_list(Config) ->
+ ok = t_bif_erlang_phash2(),
+ ok = t_bif_erlang_phash(),
+ ok = t_bif_erlang_hash(),
+
+ ok.
+
+t_bif_erlang_phash2() ->
+
39679005 = erlang:phash2(#{}),
106033788 = erlang:phash2(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 }),
119861073 = erlang:phash2(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} }),
87559846 = erlang:phash2(#{ 1 => a }),
76038729 = erlang:phash2(#{ a => 1 }),
+ 79950245 = erlang:phash2(#{{} => <<>>}),
+ 11244490 = erlang:phash2(#{<<>> => {}}),
+
M0 = #{ a => 1, "key" => <<"value">> },
M1 = map:remove("key",M0),
M2 = M1#{ "key" => <<"value">> },
@@ -591,6 +602,47 @@ t_erlang_hash(Config) when is_list(Config) ->
67968757 = erlang:phash2(M2),
ok.
+t_bif_erlang_phash() ->
+ Sz = 1 bsl 32,
+ 268440612 = erlang:phash(#{},Sz),
+ 1196461908 = erlang:phash(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 },Sz),
+ 3944426064 = erlang:phash(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} },Sz),
+ 1394238263 = erlang:phash(#{ 1 => a },Sz),
+ 4066388227 = erlang:phash(#{ a => 1 },Sz),
+
+ 1578050717 = erlang:phash(#{{} => <<>>},Sz),
+ 1578050717 = erlang:phash(#{<<>> => {}},Sz), % yep, broken
+
+ M0 = #{ a => 1, "key" => <<"value">> },
+ M1 = map:remove("key",M0),
+ M2 = M1#{ "key" => <<"value">> },
+
+ 3590546636 = erlang:phash(M0,Sz),
+ 4066388227 = erlang:phash(M1,Sz),
+ 3590546636 = erlang:phash(M2,Sz),
+ ok.
+
+t_bif_erlang_hash() ->
+ Sz = 1 bsl 27 - 1,
+ 5158 = erlang:hash(#{},Sz),
+ 71555838 = erlang:hash(#{ a => 1, "a" => 2, <<"a">> => 3, {a,b} => 4 },Sz),
+ 5497225 = erlang:hash(#{ 1 => a, 2 => "a", 3 => <<"a">>, 4 => {a,b} },Sz),
+ 126071654 = erlang:hash(#{ 1 => a },Sz),
+ 126426236 = erlang:hash(#{ a => 1 },Sz),
+
+ 101655720 = erlang:hash(#{{} => <<>>},Sz),
+ 101655720 = erlang:hash(#{<<>> => {}},Sz), % yep, broken
+
+ M0 = #{ a => 1, "key" => <<"value">> },
+ M1 = map:remove("key",M0),
+ M2 = M1#{ "key" => <<"value">> },
+
+ 38260486 = erlang:hash(M0,Sz),
+ 126426236 = erlang:hash(M1,Sz),
+ 38260486 = erlang:hash(M2,Sz),
+ ok.
+
+
t_map_encode_decode(Config) when is_list(Config) ->
<<131,116,0,0,0,0>> = erlang:term_to_binary(#{}),
Pairs = [