discourse/spec/components/freedom_patches/safe_buffer_spec.rb

require 'rails_helper'
require_dependency "freedom_patches/safe_buffer"

describe ActiveSupport::SafeBuffer do
  it "can cope with encoding weirdness" do
    buffer = ActiveSupport::SafeBuffer.new
    buffer << "\330".force_encoding("ASCII-8BIT")
    buffer.force_encoding "ASCII-8BIT"
    buffer << "hello\330\271"
    buffer << "hello#{254.chr}".force_encoding("ASCII-8BIT").freeze

    # we pay a cost for force encoding, the h gets dropped
    expect(buffer).to match(/ello.*hello/)
  end
end