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| author | Robert Newson <rnewson@apache.org> | 2020-08-04 21:28:58 +0100 |
|---|---|---|
| committer | Robert Newson <rnewson@apache.org> | 2020-08-04 21:36:00 +0100 |
| commit | 683335cb4f5b50fe0af0ea12317d501e995922f7 (patch) | |
| tree | 42f5c76666cbd434b9e06f521364cb91d9d7150c | |
| parent | 22d857d77b24adc989dc53b5554d95b926277401 (diff) | |
| download | couchdb-683335cb4f5b50fe0af0ea12317d501e995922f7.tar.gz | |
Validate the result from collate_fun
| -rw-r--r-- | src/ebtree/src/ebtree.erl | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/ebtree/src/ebtree.erl b/src/ebtree/src/ebtree.erl index bae0ff310..c28693dbc 100644 --- a/src/ebtree/src/ebtree.erl +++ b/src/ebtree/src/ebtree.erl @@ -918,7 +918,12 @@ collate(#tree{} = _Tree, _A, ?MAX) -> collate(#tree{} = Tree, A, B) -> #tree{collate_fun = CollateFun} = Tree, - CollateFun(A, B). + case CollateFun(A, B) of + lt -> lt; + eq -> eq; + gt -> gt; + _ -> error(invalid_collation_result) + end. collate(#tree{} = Tree, A, B, Allowed) -> @@ -1090,6 +1095,11 @@ collation_fun_test_() -> ]. +collate_validation_test() -> + Tree = #tree{collate_fun = fun(_A, _B) -> foo end}, + ?assertError(invalid_collation_result, collate(Tree, 1, 2)). + + lookup_test() -> Db = erlfdb_util:get_test_db([empty]), Tree = open(Db, <<1,2,3>>, 4), |