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20 changes: 9 additions & 11 deletions lib/elixir/test/elixir/regex_test.exs
Original file line number Diff line number Diff line change
Expand Up @@ -7,20 +7,18 @@ defmodule RegexTest do

if System.otp_release() >= "28" do
test "module attribute" do
assert ExUnit.CaptureIO.capture_io(:stderr, fn ->
defmodule ModAttr do
@regex ~r/example/
def regex, do: @regex
defmodule ModAttr do
@regex ~r/example/
def regex, do: @regex

@bare_regex :erlang.term_to_binary(@regex)
def bare_regex, do: :erlang.binary_to_term(@bare_regex)
@bare_regex :erlang.term_to_binary(@regex)
def bare_regex, do: :erlang.binary_to_term(@bare_regex)

# We don't rewrite outside of functions
assert @regex.re_pattern == :erlang.binary_to_term(@bare_regex).re_pattern
end
# We don't rewrite outside of functions
assert @regex.re_pattern == :erlang.binary_to_term(@bare_regex).re_pattern
end

assert ModAttr.regex().re_pattern != ModAttr.bare_regex().re_pattern
end) =~ "storing and reading regexes from module attributes is deprecated"
assert ModAttr.regex().re_pattern != ModAttr.bare_regex().re_pattern
end
end

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