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author | Lukas Larsson <[email protected]> | 2011-03-09 13:29:48 +0100 |
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committer | Lukas Larsson <[email protected]> | 2011-03-09 13:29:48 +0100 |
commit | b6637f53cc885c336e3001617d742d79216c80e3 (patch) | |
tree | ec92e4ebe5c2774a671ba5eba8032ca179339951 /lib/dialyzer/test/small_tests_SUITE_data/src/port_info_test.erl | |
parent | 62e056af8c4fa058faa5087614c6b837a07f06e6 (diff) | |
parent | dd14097487c33ac4d1ceed36b96070feb545219f (diff) | |
download | otp-b6637f53cc885c336e3001617d742d79216c80e3.tar.gz otp-b6637f53cc885c336e3001617d742d79216c80e3.tar.bz2 otp-b6637f53cc885c336e3001617d742d79216c80e3.zip |
Merge branch 'aronisstav/dialyzer/dialyzer_tests/OTP-9116' into dev
* aronisstav/dialyzer/dialyzer_tests/OTP-9116:
Increase timetrap of options1 suite
Write output_plt even when plt_check is ok
Create plt with erts, kernel and stdlib only
Update test results as they currently appear in dev
Major restructure of dialyzer's testsuite
Add 'apps' option to the erlang interface
Update spec file to work with new common test structure
Test suites for Dialyzer
Diffstat (limited to 'lib/dialyzer/test/small_tests_SUITE_data/src/port_info_test.erl')
-rw-r--r-- | lib/dialyzer/test/small_tests_SUITE_data/src/port_info_test.erl | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_tests_SUITE_data/src/port_info_test.erl b/lib/dialyzer/test/small_tests_SUITE_data/src/port_info_test.erl new file mode 100644 index 0000000000..d8a5e15caf --- /dev/null +++ b/lib/dialyzer/test/small_tests_SUITE_data/src/port_info_test.erl @@ -0,0 +1,34 @@ +%% +%% Tests hardcoded dependent type info +%% 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]). + +%% The following errors are correctly caught, but the messages are a bit weird +t1(X) when is_port(X) -> + {connected, 42} = erlang:port_info(X, connected); +t1(_) -> ok. + +t2(X) when is_port(X) -> + {registered_name, "42"} = erlang:port_info(X, registered_name); +t2(_) -> ok. + +%% Here only one od the two errors is reported... +t3(X) when is_atom(X) -> + {output, 42} = erlang:port_info(X, connected); +t3(_) -> ok. + +t4(X) when is_atom(X) -> + {Atom, _} = erlang:port_info(X, connected), + Atom = links; +t4(_) -> ok. + +t5(X, Atom) when is_port(X) -> + {gazonk, _} = erlang:port_info(X, Atom); +t5(_, _) -> 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). + |