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authorBjörn Gustavsson <[email protected]>2011-03-17 11:16:36 +0100
committerBjörn Gustavsson <[email protected]>2011-08-16 08:58:46 +0200
commit654f13c5e5ebdc2d2bde4bf22259aeecf87d8295 (patch)
tree88728f91ac67471b7580b32a73c21d3864c02e49 /lib
parent48eb259aa2d6c7c5d1ddebbfbcefae5e3dafc49c (diff)
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compiler tests: Add a test for constants in guards
Diffstat (limited to 'lib')
-rw-r--r--lib/compiler/test/guard_SUITE.erl29
1 files changed, 25 insertions, 4 deletions
diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl
index 0e69efba6b..40711783ed 100644
--- a/lib/compiler/test/guard_SUITE.erl
+++ b/lib/compiler/test/guard_SUITE.erl
@@ -32,7 +32,8 @@
t_is_boolean/1,is_function_2/1,
tricky/1,rel_ops/1,literal_type_tests/1,
basic_andalso_orelse/1,traverse_dcd/1,
- check_qlc_hrl/1,andalso_semi/1,t_tuple_size/1,binary_part/1]).
+ check_qlc_hrl/1,andalso_semi/1,t_tuple_size/1,binary_part/1,
+ bad_constants/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -44,7 +45,8 @@ all() ->
more_xor_guards, build_in_guard, old_guard_tests, gbif,
t_is_boolean, is_function_2, tricky, rel_ops,
literal_type_tests, basic_andalso_orelse, traverse_dcd,
- check_qlc_hrl, andalso_semi, t_tuple_size, binary_part].
+ check_qlc_hrl, andalso_semi, t_tuple_size, binary_part,
+ bad_constants].
groups() ->
[].
@@ -1517,8 +1519,27 @@ bptest(B,A,C) when erlang:binary_part(B,{A,C}) =:= <<3,3>> ->
bptest(_,_,_) ->
error.
-
-
+-define(FAILING(C),
+ if
+ C -> ?t:fail(should_fail);
+ true -> ok
+ end,
+ if
+ true, C -> ?t:fail(should_fail);
+ true -> ok
+ end).
+
+bad_constants(Config) when is_list(Config) ->
+ ?line ?FAILING(false),
+ ?line ?FAILING([]),
+ ?line ?FAILING([a]),
+ ?line ?FAILING([Config]),
+ ?line ?FAILING({a,b}),
+ ?line ?FAILING({a,Config}),
+ ?line ?FAILING(<<1>>),
+ ?line ?FAILING(42),
+ ?line ?FAILING(3.14),
+ ok.
%% Call this function to turn off constant propagation.
id(I) -> I.