diff options
Diffstat (limited to 'lib/kernel/test/seq_trace_SUITE.erl')
| -rw-r--r-- | lib/kernel/test/seq_trace_SUITE.erl | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/lib/kernel/test/seq_trace_SUITE.erl b/lib/kernel/test/seq_trace_SUITE.erl index ceb4e9cc49..3bbf62e832 100644 --- a/lib/kernel/test/seq_trace_SUITE.erl +++ b/lib/kernel/test/seq_trace_SUITE.erl @@ -19,6 +19,9 @@ %% -module(seq_trace_SUITE). +%% label_capability_mismatch needs to run a part of the test on an OTP 20 node. +-compile(r20). + -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2]). @@ -329,7 +332,7 @@ do_incompatible_labels(Rel) -> Mdir = filename:dirname(Dir), true = rpc:call(Node,code,add_patha,[Mdir]), seq_trace:reset_trace(), - rpc:call(Node,?MODULE,start_tracer,[]), + true = is_pid(rpc:call(Node,?MODULE,start_tracer,[])), Receiver = spawn(Node,?MODULE,one_time_receiver,[]), %% This node does not support arbitrary labels, so it must fail with a @@ -356,7 +359,7 @@ do_compatible_labels(Rel) -> Mdir = filename:dirname(Dir), true = rpc:call(Node,code,add_patha,[Mdir]), seq_trace:reset_trace(), - rpc:call(Node,?MODULE,start_tracer,[]), + true = is_pid(rpc:call(Node,?MODULE,start_tracer,[])), Receiver = spawn(Node,?MODULE,one_time_receiver,[]), %% This node does not support arbitrary labels, but small integers should @@ -783,6 +786,24 @@ do_shrink(N) -> erlang:garbage_collect(), do_shrink(N-1). +%% Test that messages from a port does not clear the token +port_clean_token(Config) when is_list(Config) -> + seq_trace:reset_trace(), + Label = make_ref(), + seq_trace:set_token(label, Label), + {label,Label} = seq_trace:get_token(label), + + %% Create a port and get messages from it + %% We use os:cmd as a convenience as it does + %% open_port, port_command, port_close and receives replies. + %% Maybe it is not ideal to rely on the internal implementation + %% of os:cmd but it will have to do. + os:cmd("ls"), + + %% Make sure that the seq_trace token is still there + {label,Label} = seq_trace:get_token(label), + + ok. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |