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-rw-r--r--lib/compiler/test/beam_type_SUITE.erl98
1 files changed, 98 insertions, 0 deletions
diff --git a/lib/compiler/test/beam_type_SUITE.erl b/lib/compiler/test/beam_type_SUITE.erl
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+++ b/lib/compiler/test/beam_type_SUITE.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(beam_type_SUITE).
+
+-export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1,
+ init_per_group/2,end_per_group/2,
+ integers/1,coverage/1,booleans/1]).
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ test_lib:recompile(?MODULE),
+ [{group,p}].
+
+groups() ->
+ [{p,[parallel],
+ [integers,
+ coverage,
+ booleans
+ ]}].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+integers(_Config) ->
+ a = do_integers_1(2#11000),
+ b = do_integers_1(2#11001),
+
+ a = do_integers_2(<<0:1>>),
+ {'EXIT',{{case_clause,-1},_}} = (catch do_integers_2(<<1:1>>)),
+
+ ok.
+
+do_integers_1(B0) ->
+ B = B0 band 1,
+ case B band 15 of
+ 0 -> a;
+ 1 -> b
+ end.
+
+do_integers_2(Bin) ->
+ <<B:1/signed>> = Bin,
+ case B of
+ 0 -> a;
+ 1 -> b
+ end.
+
+coverage(_Config) ->
+ {'EXIT',{badarith,_}} = (catch id(1) bsl 0.5),
+ {'EXIT',{badarith,_}} = (catch id(2.0) bsl 2),
+ {'EXIT',{badarith,_}} = (catch a + 0.5),
+ {'EXIT',{badarith,_}} = (catch 2.0 * b),
+
+ {'EXIT',{badarith,_}} = (catch id(42.0) / (1 bsl 2000)),
+
+ id(id(42) band 387439739874298734983787934283479243879),
+ id(-1 band id(13)),
+
+ ok.
+
+booleans(_Config) ->
+ {'EXIT',{{case_clause,_},_}} = (catch do_booleans(42)),
+ ok.
+
+do_booleans(B) ->
+ case is_integer(B) of
+ yes -> yes;
+ no -> no
+ end.
+
+id(I) ->
+ I.