summaryrefslogtreecommitdiff
path: root/test/psych/test_psych.rb
diff options
context:
space:
mode:
Diffstat (limited to 'test/psych/test_psych.rb')
-rw-r--r--test/psych/test_psych.rb16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/psych/test_psych.rb b/test/psych/test_psych.rb
index eeadc864ef4..8fd9d278b58 100644
--- a/test/psych/test_psych.rb
+++ b/test/psych/test_psych.rb
@@ -192,6 +192,22 @@ class TestPsych < Psych::TestCase
assert_equal({ 'hello' => 'world' }, got)
end
+ def test_load_freeze
+ data = Psych.load("--- {foo: ['a']}", freeze: true)
+ assert_predicate data, :frozen?
+ assert_predicate data['foo'], :frozen?
+ assert_predicate data['foo'].first, :frozen?
+ end
+
+ def test_load_freeze_deduplication
+ unless String.method_defined?(:-@) && (-("a" * 20)).equal?((-("a" * 20)))
+ skip "This Ruby implementation doesn't support string deduplication"
+ end
+
+ data = Psych.load("--- ['a']", freeze: true)
+ assert_same 'a', data.first
+ end
+
def test_load_default_fallback
assert_equal false, Psych.load("")
end