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-rw-r--r--lib/hipe/test/basic_SUITE_data/basic_receive.erl56
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/hipe/test/basic_SUITE_data/basic_receive.erl b/lib/hipe/test/basic_SUITE_data/basic_receive.erl
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+%%% -*- erlang-indent-level: 2 -*-
+%%%-------------------------------------------------------------------
+%%% Author: Kostis Sagonas
+%%%
+%%% Contains code examples that test correct handling of receives.
+%%%-------------------------------------------------------------------
+-module(basic_receive).
+
+-export([test/0]).
+
+test() ->
+ ok = test_wait_timeout(),
+ ok = test_double_timeout(),
+ ok = test_reschedule(),
+ ok.
+
+%%--------------------------------------------------------------------
+
+test_wait_timeout() ->
+ receive after 42 -> ok end.
+
+%%--------------------------------------------------------------------
+
+test_double_timeout() ->
+ self() ! foo,
+ self() ! another_foo,
+ receive
+ non_existent -> weird
+ after 0 -> timeout
+ end,
+ receive
+ foo -> ok
+ after 1000 -> timeout
+ end.
+
+%%--------------------------------------------------------------------
+%% Check that RESCHEDULE returns from BIFs work.
+
+test_reschedule() ->
+ erts_debug:set_internal_state(available_internal_state, true),
+ First = self(),
+ Second = spawn(fun() -> doit(First) end),
+ receive
+ Second -> ok
+ end,
+ receive
+ after 42 -> ok
+ end,
+ erts_debug:set_internal_state(hipe_test_reschedule_resume, Second),
+ ok.
+
+doit(First) ->
+ First ! self(),
+ erts_debug:set_internal_state(hipe_test_reschedule_suspend, 1).
+
+%%--------------------------------------------------------------------