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require "spec"
require "compress/zlib"
module Compress::Zlib
describe Writer do
it "should be able to write" do
message = "this is a test string !!!!\n"
io = IO::Memory.new
writer = Writer.new(io)
io.bytesize.should eq(0)
writer.flush
io.bytesize.should_not eq(0)
writer.print message
writer.close
io.rewind
reader = Reader.new(io)
reader.gets_to_end.should eq(message)
end
it "can be closed without sync" do
io = IO::Memory.new
writer = Writer.new(io)
writer.close
writer.closed?.should be_true
io.closed?.should be_false
expect_raises IO::Error, "Closed stream" do
writer.print "a"
end
end
it "can be closed with sync (1)" do
io = IO::Memory.new
writer = Writer.new(io, sync_close: true)
writer.close
writer.closed?.should be_true
io.closed?.should be_true
end
it "can be closed with sync (2)" do
io = IO::Memory.new
writer = Writer.new(io)
writer.sync_close = true
writer.close
writer.closed?.should be_true
io.closed?.should be_true
end
it "can be flushed" do
io = IO::Memory.new
writer = Writer.new(io)
writer.print "this"
io.to_slice.hexstring.should eq("789c")
writer.flush
io.to_slice.hexstring.size.should be > 4
writer.print " is a test string !!!!\n"
writer.close
io.rewind
reader = Reader.new(io)
reader.gets_to_end.should eq("this is a test string !!!!\n")
end
end
end
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