aboutsummaryrefslogtreecommitdiffstats
path: root/lib/dialyzer
diff options
context:
space:
mode:
Diffstat (limited to 'lib/dialyzer')
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/port_info_test3
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl6
2 files changed, 7 insertions, 2 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/results/port_info_test b/lib/dialyzer/test/small_SUITE_data/results/port_info_test
index 9ee863f9eb..8a4ce0fc66 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/port_info_test
+++ b/lib/dialyzer/test/small_SUITE_data/results/port_info_test
@@ -3,4 +3,5 @@ port_info_test.erl:10: The pattern {'connected', 42} can never match the type 'u
port_info_test.erl:14: The pattern {'registered_name', "42"} can never match the type 'undefined' | {'registered_name',atom()}
port_info_test.erl:19: The pattern {'output', 42} can never match the type 'undefined' | {'connected',pid()}
port_info_test.erl:24: Guard test 'links' =:= Atom::'connected' can never succeed
-port_info_test.erl:28: The pattern {'gazonk', _} can never match the type 'undefined' | {'connected' | 'id' | 'input' | 'links' | 'name' | 'output' | 'registered_name',atom() | pid() | [pid() | char()] | integer()}
+port_info_test.erl:28: The pattern {'gazonk', _} can never match the type 'undefined' | {'connected' | 'id' | 'input' | 'links' | 'name' | 'os_pid' | 'output' | 'registered_name',atom() | pid() | [pid() | char()] | integer()}
+port_info_test.erl:32: The pattern {'os_pid', "42"} can never match the type 'undefined' | {'os_pid',integer()}
diff --git a/lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl b/lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl
index 2ee9a3a6e2..07f22256c9 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl
@@ -3,7 +3,7 @@
%% and the quality of the warnings that Dialyzer spits out
%%
-module(port_info_test).
--export([t1/1, t2/1, t3/1, t4/1, t5/2, buggy/1]).
+-export([t1/1, t2/1, t3/1, t4/1, t5/2, t6/1, buggy/1]).
%% The following errors are correctly caught, but the messages are a bit weird
t1(X) when is_port(X) ->
@@ -28,6 +28,10 @@ t5(X, Atom) when is_port(X) ->
{gazonk, _} = erlang:port_info(X, Atom);
t5(_, _) -> ok.
+t6(X) when is_port(X) ->
+ {os_pid, "42"} = erlang:port_info(X, os_pid);
+t6(_) -> ok.
+
%% The type system is not strong enough to catch the following errors
buggy(X) when is_atom(X) ->
{links, X} = erlang:port_info(foo, X).