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require_relative '../spec_helper'
describe "String#unpack" do
it "resists CVE-2018-8778 by raising an exception when a position indicator is larger than a native integer" do
pos = (1 << PlatformGuard::POINTER_SIZE) - 99
lambda {
"0123456789".unpack("@#{pos}C10")
}.should raise_error(RangeError, /pack length too big/)
end
end
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