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# encoding: utf-8
require_relative "spec_helper"
describe "A Reference object" do
it "should produce a PDF reference on #to_s call" do
ref = PDF::Core::Reference(1,true)
ref.to_s.should == "1 0 R"
end
it "should allow changing generation number" do
ref = PDF::Core::Reference(1,true)
ref.gen = 1
ref.to_s.should == "1 1 R"
end
it "should generate a valid PDF object for the referenced data" do
ref = PDF::Core::Reference(2,[1,"foo"])
ref.object.should == "2 0 obj\n#{PDF::Core::PdfObject([1,"foo"])}\nendobj\n"
end
it "should include stream fileds in dictionary when serializing" do
ref = PDF::Core::Reference(1, {})
ref.stream << 'Hello'
ref.object.should == "1 0 obj\n<< /Length 5\n>>\nstream\nHello\nendstream\nendobj\n"
end
it "should append data to stream when #<< is used" do
ref = PDF::Core::Reference(1, {})
ref << "BT\n/F1 12 Tf\n72 712 Td\n( A stream ) Tj\nET"
ref.object.should == "1 0 obj\n<< /Length 41\n>>\nstream"+
"\nBT\n/F1 12 Tf\n72 712 Td\n( A stream ) Tj\nET" +
"\nendstream\nendobj\n"
end
it "should copy the data and stream from another ref on #replace" do
from = PDF::Core::Reference(3, {:foo => 'bar'})
from << "has a stream too"
to = PDF::Core::Reference(4, {:foo => 'baz'})
to.replace from
# should preserve identifier but copy data and stream
to.identifier.should == 4
to.data.should == from.data
to.stream.should == from.stream
end
it "should copy a compressed stream from a compressed ref on #replace" do
from = PDF::Core::Reference(5, {:foo => 'bar'})
from << "has a stream too " * 20
from.stream.compress!
to = PDF::Core::Reference(6, {:foo => 'baz'})
to.replace from
to.identifier.should == 6
to.data.should == from.data
to.stream.should == from.stream
to.stream.compressed?.should == true
end
end
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