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# -*- encoding: ascii-8bit -*-
require_relative '../../../spec_helper'
require_relative '../fixtures/classes'
require_relative 'shared/basic'
require_relative 'shared/string'
describe "String#unpack with format 'Z'" do
it_behaves_like :string_unpack_basic, 'Z'
it_behaves_like :string_unpack_no_platform, 'Z'
it_behaves_like :string_unpack_string, 'Z'
it "stops decoding at NULL bytes when passed the '*' modifier" do
"a\x00\x00 b \x00c".unpack('Z*Z*Z*Z*').should == ["a", "", " b ", "c"]
end
it "decodes the number of bytes specified by the count modifier and truncates the decoded string at the first NULL byte" do
[ ["a\x00 \x00b c", ["a", " "]],
["\x00a\x00 bc \x00", ["", "c"]]
].should be_computed_by(:unpack, "Z5Z")
end
end
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