Does Logger have a hidden cap for message size?

Questions & Help Questions
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3

Just for giggles I put it in a test case:

defmodule ThingTest do
  use ExUnit.Case
  import ExUnit.CaptureLog
  require Logger

  @message_size 8_000

  test "Logger backend end" do
    assert capture_log(fn -> Logger.error(String.duplicate("A", @message_size)) end) >= @message_size
  end
end

And ran the test:

kip@Kips-iMac-Pro thing % mix test
.

Finished in 0.04 seconds
1 test, 0 failures