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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 "Array#pack with format 'Z'" do
it_behaves_like :array_pack_basic, 'Z'
it_behaves_like :array_pack_basic_non_float, 'Z'
it_behaves_like :array_pack_no_platform, 'Z'
it_behaves_like :array_pack_string, 'Z'
it_behaves_like :array_pack_taint, 'Z'
it "calls #to_str to convert an Object to a String" do
obj = mock("pack Z string")
obj.should_receive(:to_str).and_return("``abcdef")
[obj].pack("Z*").should == "``abcdef\x00"
end
it "will not implicitly convert a number to a string" do
-> { [0].pack('Z') }.should raise_error(TypeError)
end
it "adds all the bytes and appends a NULL byte when passed the '*' modifier" do
["abc"].pack("Z*").should == "abc\x00"
end
it "padds the output with NULL bytes when the count exceeds the size of the String" do
["abc"].pack("Z6").should == "abc\x00\x00\x00"
end
it "adds a NULL byte when the value is nil" do
[nil].pack("Z").should == "\x00"
end
it "pads the output with NULL bytes when the value is nil" do
[nil].pack("Z3").should == "\x00\x00\x00"
end
it "does not append a NULL byte when passed the '*' modifier and the value is nil" do
[nil].pack("Z*").should == "\x00"
end
end
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