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-rw-r--r--test/ruby/test_compile_prism.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_compile_prism.rb b/test/ruby/test_compile_prism.rb
index e51ca190d5..922640982e 100644
--- a/test/ruby/test_compile_prism.rb
+++ b/test/ruby/test_compile_prism.rb
@@ -125,6 +125,12 @@ module Prism
assert_prism_eval("defined? X &= 1")
assert_prism_eval("defined? X ||= 1")
+ assert_prism_eval("defined? $1")
+ assert_prism_eval("defined? $2")
+ assert_prism_eval("defined? $`")
+ assert_prism_eval("defined? $'")
+ assert_prism_eval("defined? $+")
+
assert_prism_eval("defined? $X = 1")
assert_prism_eval("defined? $X *= 1")
assert_prism_eval("defined? $X /= 1")