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-rw-r--r--lib/compiler/test/bs_match_SUITE.erl52
1 files changed, 47 insertions, 5 deletions
diff --git a/lib/compiler/test/bs_match_SUITE.erl b/lib/compiler/test/bs_match_SUITE.erl
index 6e138b0a43..667c6754ee 100644
--- a/lib/compiler/test/bs_match_SUITE.erl
+++ b/lib/compiler/test/bs_match_SUITE.erl
@@ -36,7 +36,8 @@
match_string/1,zero_width/1,bad_size/1,haystack/1,
cover_beam_bool/1,matched_out_size/1,follow_fail_branch/1,
no_partition/1,calling_a_binary/1,binary_in_map/1,
- match_string_opt/1]).
+ match_string_opt/1,select_on_integer/1,
+ map_and_binary/1]).
-export([coverage_id/1,coverage_external_ignore/2]).
@@ -62,7 +63,8 @@ groups() ->
otp_7498,match_string,zero_width,bad_size,haystack,
cover_beam_bool,matched_out_size,follow_fail_branch,
no_partition,calling_a_binary,binary_in_map,
- match_string_opt]}].
+ match_string_opt,select_on_integer,
+ map_and_binary]}].
init_per_suite(Config) ->
@@ -116,9 +118,16 @@ fun_shadow_4(L) ->
int_float(Config) when is_list(Config) ->
%% OTP-5323
- ?line <<103133.0:64/float>> = <<103133:64/float>>,
- ?line <<103133:64/float>> = <<103133:64/float>>,
- ok.
+ <<103133.0:64/float>> = <<103133:64/float>>,
+ <<103133:64/float>> = <<103133:64/float>>,
+
+ %% Coverage of error cases in sys_pre_expand:coerce_to_float/2.
+ case id(default) of
+ <<(1 bsl 1024):64/float>> ->
+ ?t:fail();
+ default ->
+ ok
+ end.
%% Stolen from erl_eval_SUITE and modified.
%% OTP-5269. Bugs in the bit syntax.
@@ -1225,6 +1234,39 @@ match_string_opt(Config) when is_list(Config) ->
do_match_string_opt({<<1>>,{v,V}}=T) ->
{x,V,T}.
+select_on_integer(Config) when is_list(Config) ->
+ 42 = do_select_on_integer(<<42>>),
+ <<"abc">> = do_select_on_integer(<<128,"abc">>),
+
+ {'EXIT',_} = (catch do_select_on_integer(<<0:1>>)),
+ {'EXIT',_} = (catch do_select_on_integer(<<1:1>>)),
+ {'EXIT',_} = (catch do_select_on_integer(<<0:1,0:15>>)),
+ ok.
+
+%% The ASN.1 compiler frequently generates code like this.
+do_select_on_integer(<<0:1,I:7>>) ->
+ I;
+do_select_on_integer(<<1:1,_:7,Bin/binary>>) ->
+ Bin.
+
+%% If 'bin_opt_info' was given the warning would lack filename
+%% and line number.
+
+map_and_binary(_Config) ->
+ {<<"10">>,<<"37">>,<<"am">>} = do_map_and_binary(<<"10:37am">>),
+ Map1 = #{time => "noon"},
+ {ok,Map1} = do_map_and_binary(Map1),
+ Map2 = #{hour => 8, min => 42},
+ {8,42,Map2} = do_map_and_binary(Map2),
+ ok.
+
+do_map_and_binary(<<Hour:2/bytes, $:, Min:2/bytes, Rest/binary>>) ->
+ {Hour, Min, Rest};
+do_map_and_binary(#{time := _} = T) ->
+ {ok, T};
+do_map_and_binary(#{hour := Hour, min := Min} = T) ->
+ {Hour, Min, T}.
+
check(F, R) ->
R = F().