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# -*- encoding: binary -*-
require_relative '../../../spec_helper'
require_relative '../fixtures/classes'
require_relative 'shared/basic'
require_relative 'shared/string'
require_relative 'shared/taint'
describe "String#unpack with format 'A'" do
it_behaves_like :string_unpack_basic, 'A'
it_behaves_like :string_unpack_no_platform, 'A'
it_behaves_like :string_unpack_string, 'A'
it_behaves_like :string_unpack_Aa, 'A'
it_behaves_like :string_unpack_taint, 'A'
it "removes trailing space and NULL bytes from the decoded string" do
[ ["a\x00 b \x00", ["a\x00 b", ""]],
["a\x00 b \x00 ", ["a\x00 b", ""]],
["a\x00 b\x00 ", ["a\x00 b", ""]],
["a\x00 b\x00", ["a\x00 b", ""]],
["a\x00 b ", ["a\x00 b", ""]]
].should be_computed_by(:unpack, "A*A")
end
it "does not remove whitespace other than space" do
[ ["a\x00 b\x00\f", ["a\x00 b\x00\f"]],
["a\x00 b\x00\n", ["a\x00 b\x00\n"]],
["a\x00 b\x00\r", ["a\x00 b\x00\r"]],
["a\x00 b\x00\t", ["a\x00 b\x00\t"]],
["a\x00 b\x00\v", ["a\x00 b\x00\v"]],
].should be_computed_by(:unpack, "A*")
end
it "decodes into raw (ascii) string values" do
str = "str".force_encoding('UTF-8').unpack("A*")[0]
str.encoding.should == Encoding::BINARY
end
end
describe "String#unpack with format 'a'" do
it_behaves_like :string_unpack_basic, 'a'
it_behaves_like :string_unpack_no_platform, 'a'
it_behaves_like :string_unpack_string, 'a'
it_behaves_like :string_unpack_Aa, 'a'
it_behaves_like :string_unpack_taint, 'a'
it "does not remove trailing whitespace or NULL bytes from the decoded string" do
[ ["a\x00 b \x00", ["a\x00 b \x00"]],
["a\x00 b \x00 ", ["a\x00 b \x00 "]],
["a\x00 b\x00 ", ["a\x00 b\x00 "]],
["a\x00 b\x00", ["a\x00 b\x00"]],
["a\x00 b ", ["a\x00 b "]],
["a\x00 b\f", ["a\x00 b\f"]],
["a\x00 b\n", ["a\x00 b\n"]],
["a\x00 b\r", ["a\x00 b\r"]],
["a\x00 b\t", ["a\x00 b\t"]],
["a\x00 b\v", ["a\x00 b\v"]]
].should be_computed_by(:unpack, "a*")
end
it "decodes into raw (ascii) string values" do
str = "".unpack("a*")[0]
str.encoding.should == Encoding::BINARY
end
end
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