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authorBjörn-Egil Dahlberg <[email protected]>2014-02-10 15:16:24 +0100
committerBjörn-Egil Dahlberg <[email protected]>2014-02-10 15:16:24 +0100
commit993642bd638f194c2cbb0e62ee706e8d6eb81fce (patch)
tree9a330707eb2dd75fc36c8f237cc59be8a3b44896 /lib/compiler/test/map_SUITE.erl
parentedb90b1c1e6dc290727a516f4a00e939479aff98 (diff)
parent67663e057a35dfee45bf802539738b8ef107bd32 (diff)
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Merge branch 'egil/compiler/maps-fix-sys_core_fold'
* egil/compiler/maps-fix-sys_core_fold: compiler: Fix sys_core_fold let optimization compiler: Add debug listing after sys_core_fold
Diffstat (limited to 'lib/compiler/test/map_SUITE.erl')
-rw-r--r--lib/compiler/test/map_SUITE.erl11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl
index bd514c60d0..86f65c3ed6 100644
--- a/lib/compiler/test/map_SUITE.erl
+++ b/lib/compiler/test/map_SUITE.erl
@@ -179,6 +179,17 @@ t_update_map_expressions(Config) when is_list(Config) ->
#{ a :=42, b:=42, c:=42 } = (maps:from_list([{a,1},{b,2},{c,3}]))#{ a := 42, b := 42, c := 42 },
#{ "a" :=1, "b":=42, "c":=42 } = (maps:from_list([{"a",1},{"b",2}]))#{ "b" := 42, "c" => 42 },
+ %% Test need to be in a fun.
+ %% This tests that let expr optimisation in sys_core_fold
+ %% covers maps correctly.
+ F = fun() ->
+ M0 = id(#{ "a" => [1,2,3] }),
+ #{ "a" := _ } = M0,
+ M0#{ "a" := b }
+ end,
+
+ #{ "a" := b } = F(),
+
%% Error cases, FIXME: should be 'badmap'?
{'EXIT',{badarg,_}} = (catch (id(<<>>))#{ a := 42, b => 2 }),
{'EXIT',{badarg,_}} = (catch (id([]))#{ a := 42, b => 2 }),