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authorBjörn Gustavsson <[email protected]>2017-11-27 05:37:52 +0100
committerBjörn Gustavsson <[email protected]>2017-11-27 10:20:19 +0100
commit16cf9a166fe2929e30dc59266a8b82a11ef84739 (patch)
treeaef8b71da0c82392050e4f7f98156fb9acabdf90 /lib/compiler/test
parentffd3dee5014356a914c685526e1dbdf2faf879b6 (diff)
downloadotp-16cf9a166fe2929e30dc59266a8b82a11ef84739.tar.gz
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beam_utils_SUITE: Cover more lines in beam_utils
Diffstat (limited to 'lib/compiler/test')
-rw-r--r--lib/compiler/test/beam_utils_SUITE.erl73
1 files changed, 71 insertions, 2 deletions
diff --git a/lib/compiler/test/beam_utils_SUITE.erl b/lib/compiler/test/beam_utils_SUITE.erl
index 710cb050d4..3a07f3923f 100644
--- a/lib/compiler/test/beam_utils_SUITE.erl
+++ b/lib/compiler/test/beam_utils_SUITE.erl
@@ -24,7 +24,8 @@
apply_fun/1,apply_mf/1,bs_init/1,bs_save/1,
is_not_killed/1,is_not_used_at/1,
select/1,y_catch/1,otp_8949_b/1,liveopt/1,coverage/1,
- y_registers/1]).
+ y_registers/1,user_predef/1,scan_f/1,cafu/1,
+ receive_label/1]).
-export([id/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -46,7 +47,10 @@ groups() ->
otp_8949_b,
liveopt,
coverage,
- y_registers
+ y_registers,
+ user_predef,
+ scan_f,
+ cafu
]}].
init_per_suite(Config) ->
@@ -376,5 +380,70 @@ do(A, B) -> {A,B}.
appointment(#{"resolution" := Url}) ->
do(receive _ -> Url end, #{true => Url}).
+%% From epp.erl.
+user_predef(_Config) ->
+ #{key:="value"} = user_predef({key,"value"}, #{}),
+ #{key:="value"} = user_predef({key,"value"}, #{key=>defined}),
+ error = user_predef({key,"value"}, #{key=>[defined]}),
+ ok.
+
+user_predef({M,Val}, Ms) ->
+ case Ms of
+ #{M:=Defs} when is_list(Defs) ->
+ error;
+ _ ->
+ Ms#{M=>Val}
+ end.
+
+%% From disk_log_1.erl.
+scan_f(_Config) ->
+ {1,<<>>,[]} = scan_f(<<1:32>>, 1, []),
+ {1,<<>>,[<<156>>]} = scan_f(<<1:32,156,1:32>>, 1, []),
+ ok.
+
+scan_f(<<Size:32,Tail/binary>>, FSz, Acc) when Size =< FSz ->
+ case Tail of
+ <<BinTerm:Size/binary,Tail2/binary>> ->
+ scan_f(Tail2, FSz, [BinTerm | Acc]);
+ _ ->
+ {Size,Tail,Acc}
+ end.
+
+%% From file_io_server.erl.
+cafu(_Config) ->
+ error = cafu(<<42:32>>, -1, 0, {utf32,big}),
+ error = cafu(<<42:32>>, 10, 0, {utf32,big}),
+ error = cafu(<<42:32>>, -1, 0, {utf32,little}),
+ ok.
+
+cafu(<<_/big-utf32,Rest/binary>>, N, Count, {utf32,big}) when N < 0 ->
+ cafu(Rest, -1, Count+1, {utf32,big});
+cafu(<<_/big-utf32,Rest/binary>>, N, Count, {utf32,big}) ->
+ cafu(Rest, N-1, Count+1, {utf32,big});
+cafu(<<_/little-utf32,Rest/binary>>, N, Count, {utf32,little}) when N < 0 ->
+ cafu(Rest, -1, Count+1, {utf32,little});
+cafu(_, _, _, _) ->
+ error.
+
+-record(rec_label, {bool}).
+
+receive_label(_Config) ->
+ Pid = spawn_link(fun() -> do_receive_label(#rec_label{bool=true}) end),
+ Msg = {a,b,c},
+ Pid ! {self(),Msg},
+ receive
+ {ok,Msg} ->
+ unlink(Pid),
+ exit(Pid, die),
+ ok
+ end.
+
+do_receive_label(Rec) ->
+ receive
+ {From,Message} when Rec#rec_label.bool ->
+ From ! {ok,Message},
+ do_receive_label(Rec)
+ end.
+
%% The identity function.
id(I) -> I.