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Diffstat (limited to 'lib/dialyzer/test/small_tests_SUITE_data/src/exhaust_case.erl')
| -rw-r--r-- | lib/dialyzer/test/small_tests_SUITE_data/src/exhaust_case.erl | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_tests_SUITE_data/src/exhaust_case.erl b/lib/dialyzer/test/small_tests_SUITE_data/src/exhaust_case.erl new file mode 100644 index 0000000000..6b20c7c98c --- /dev/null +++ b/lib/dialyzer/test/small_tests_SUITE_data/src/exhaust_case.erl @@ -0,0 +1,24 @@ +%%------------------------------------------------------------------- +%% File : exhaust_case.erl +%% Author : Kostis Sagonas <[email protected]> +%% Description : Tests that Dialyzer warns when it finds an unreachable +%% case clause (independently of whether ground vs. var). +%% +%% Created : 15 Dec 2004 by Kostis Sagonas <[email protected]> +%%------------------------------------------------------------------- + +-module(exhaust_case). +-export([t/1]). + +t(X) when is_integer(X) -> + case ret(X) of + foo -> ok; + bar -> ok; + 42 -> ok; + _other -> error %% unreachable clause (currently no warning) + %% other -> error %% but contrast this with this clause... hmm + end. + +ret(1) -> foo; +ret(2) -> bar. + |