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| author | Hans Bolinder <[email protected]> | 2017-02-28 13:08:41 +0100 |
|---|---|---|
| committer | Hans Bolinder <[email protected]> | 2017-02-28 14:37:15 +0100 |
| commit | 4827fa95257c1d68bcdcac2c6d4a35cd8b56d8cd (patch) | |
| tree | 0e7de02605cba86d03081b921b1488bc6ca7d21f /lib/dialyzer/test | |
| parent | 02b31b9229a8631a1ecd9b1de90aa7620f46084b (diff) | |
| download | otp-4827fa95257c1d68bcdcac2c6d4a35cd8b56d8cd.tar.gz otp-4827fa95257c1d68bcdcac2c6d4a35cd8b56d8cd.tar.bz2 otp-4827fa95257c1d68bcdcac2c6d4a35cd8b56d8cd.zip | |
dialyzer: Fix an opaque bug
An opaque bug that would crash Dialyzer has been fixed.
The bug was reported by Nick Marino.
Diffstat (limited to 'lib/dialyzer/test')
3 files changed, 35 insertions, 0 deletions
diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/weird b/lib/dialyzer/test/opaque_SUITE_data/results/weird new file mode 100644 index 0000000000..cffba85b9f --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/results/weird @@ -0,0 +1,3 @@ + +weird_warning1.erl:15: The attempt to match a term of type #b{q::queue:queue(_)} against the pattern {'a', Dict} breaks the opacity of queue:queue(_) +weird_warning2.erl:13: The attempt to match a term of type <#a{d::dict:dict(_,_)},'my_key','my_value'> against the pattern <{'b', Queue}, Key, Value> breaks the opacity of dict:dict(_,_) diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/weird/weird_warning1.erl b/lib/dialyzer/test/opaque_SUITE_data/src/weird/weird_warning1.erl new file mode 100644 index 0000000000..094138e72b --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/weird/weird_warning1.erl @@ -0,0 +1,18 @@ +-module(weird_warning1). +-export([public_func/0]). + +-record(a, { + d = dict:new() :: dict:dict() + }). + +-record(b, { + q = queue:new() :: queue:queue() + }). + +public_func() -> + add_element(#b{}, my_key, my_value). + +add_element(#a{d = Dict}, Key, Value) -> + dict:store(Key, Value, Dict); +add_element(#b{q = Queue}, Key, Value) -> + queue:in({Key, Value}, Queue). diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/weird/weird_warning2.erl b/lib/dialyzer/test/opaque_SUITE_data/src/weird/weird_warning2.erl new file mode 100644 index 0000000000..4e4512157b --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/weird/weird_warning2.erl @@ -0,0 +1,14 @@ +-module(weird_warning2). +-export([public_func/0]). + +-record(a, {d = dict:new() :: dict:dict()}). + +-record(b, {q = queue:new() :: queue:queue()}). + +public_func() -> + add_element(#a{}, my_key, my_value). + +add_element(#a{d = Dict}, Key, Value) -> + dict:store(Key, Value, Dict); +add_element(#b{q = Queue}, Key, Value) -> + queue:in({Key, Value}, Queue). |