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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/or_bug.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/or_bug.erl')
-rw-r--r-- | lib/dialyzer/test/small_tests_SUITE_data/src/or_bug.erl | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_tests_SUITE_data/src/or_bug.erl b/lib/dialyzer/test/small_tests_SUITE_data/src/or_bug.erl new file mode 100644 index 0000000000..fb8f6558b8 --- /dev/null +++ b/lib/dialyzer/test/small_tests_SUITE_data/src/or_bug.erl @@ -0,0 +1,24 @@ +%%--------------------------------------------------------------------------- +%% From: Per Hedeland <[email protected]> +%% Date: 11 Feb 2010 +%% +%% The code below demonstrates a bug in dialyzer - it produces the warning: +%% Clause guard cannot succeed. +%% The variable Cs was matched against the type any() +%% for the first test/1 clause, but of course the claim can easily be easily +%% refuted by calling test(#cs{}). +%%--------------------------------------------------------------------------- + +-module(or_bug). + +-export([test/1]). + +-record(cs, {children = [], actions = []}). + +-define(is_internal(X), ((X#cs.children =/= []) or + (X#cs.actions =/= []))). +-define(has_children(X), (X#cs.children /= [])). + +test(Cs) when not ?is_internal(Cs) -> foo; +test(Cs) when not ?has_children(Cs) -> bar; +test(Cs) when Cs#cs.children =/= [] -> baz. |