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author | Björn Gustavsson <[email protected]> | 2010-08-12 16:20:20 +0200 |
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committer | Björn Gustavsson <[email protected]> | 2010-09-03 10:33:31 +0200 |
commit | c3b086d38bd152af39381bfae96c1e9ce7e7be9b (patch) | |
tree | a804d1fcb3270ba8057243076cfaeca3b6f01ae0 /lib/debugger/test/int_SUITE_data/guards.erl | |
parent | 9f72e25a2837bc6073482d7b79b80bdeb56984d5 (diff) | |
download | otp-c3b086d38bd152af39381bfae96c1e9ce7e7be9b.tar.gz otp-c3b086d38bd152af39381bfae96c1e9ce7e7be9b.tar.bz2 otp-c3b086d38bd152af39381bfae96c1e9ce7e7be9b.zip |
Add test suite for debugger
Diffstat (limited to 'lib/debugger/test/int_SUITE_data/guards.erl')
-rw-r--r-- | lib/debugger/test/int_SUITE_data/guards.erl | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/lib/debugger/test/int_SUITE_data/guards.erl b/lib/debugger/test/int_SUITE_data/guards.erl new file mode 100644 index 0000000000..c847bb6a8c --- /dev/null +++ b/lib/debugger/test/int_SUITE_data/guards.erl @@ -0,0 +1,108 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1999-2010. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% +-module(guards). + +-export([guards/0]). + +guards() -> + ok = t(), + ok = f(), + ok = ct(1), + ok = multi(1), + ok = multi(2), + ok = multi(3). + +%% The following tests are always true. +t() when integer(42) -> + ok; +t() when float(2.0) -> + ok; +t() when number(7) -> + ok; +t() when number(3.14) -> + ok; +t() when atom(error) -> + ok; +t() when list([a]) -> + ok; +t() when tuple({}) -> + ok; +t() when tuple({1, 2}) -> + ok. + +%% The following tests are always false. +f() when integer(a) -> + ok; +f() when float(b) -> + ok; +f() when number(c) -> + ok; +f() when atom(42) -> + ok; +f() when list(33) -> + ok; +f() when list({}) -> + ok; +f() when list({1, 2}) -> + ok; +f() when tuple(33) -> + ok; +f() when tuple([a]) -> + ok; +f() when tuple([]) -> + ok; +f() when tuple(35) -> + ok; +f() -> + ok. + +%% The following tests are always true. +ct(X) -> + case X of + Y when integer(42) -> + ok; + Y when float(2.0) -> + ok; + Y when number(7) -> + ok; + Y when number(3.14) -> + ok; + Y when atom(error) -> + ok; + Y when list([a]) -> + ok; + Y when tuple({}) -> + ok; + Y when tuple({1, 2}) -> + ok + end. + +multi(X) -> + case X of + Y when float(Y) ; integer(Y) -> + ok; + Y when Y > 1, Y < 10 ; atom(Y) -> + ok; + Y when Y == 4, number(Y) ; list(Y) -> + pannkaka; + Y when Y==3 ; Y==5 ; Y==6 -> + ok + end. |