diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/psych/test_hash.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/psych/test_hash.rb b/test/psych/test_hash.rb index 2a563da1da..ba11b827da 100644 --- a/test/psych/test_hash.rb +++ b/test/psych/test_hash.rb @@ -111,5 +111,19 @@ bar: eoyml assert_equal({"foo"=>{"hello"=>"world"}, "bar"=>{"hello"=>"world"}}, hash) end + + def test_key_deduplication + unless String.method_defined?(:-@) && (-("a" * 20)).equal?((-("a" * 20))) + skip "This Ruby implementation doesn't support string deduplication" + end + + hashes = Psych.load(<<-eoyml) +--- +- unique_identifier: 1 +- unique_identifier: 2 +eoyml + + assert_same hashes[0].keys.first, hashes[1].keys.first + end end end |