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-rw-r--r--test/ruby/test_lazy_enumerator.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index 29c6b3e855..5feddd5bde 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -532,4 +532,11 @@ EOS
assert_warning("") {le.drop(1).force}
assert_warning("") {le.drop_while{false}.force}
end
+
+ def test_symbol_chain
+ assert_equal(["1", "3"], [1, 2, 3].lazy.reject(&:even?).map(&:to_s).force)
+ assert_raise(NoMethodError) do
+ [1, 2, 3].lazy.map(&:undefined).map(&:to_s).force
+ end
+ end
end