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require File.dirname(__FILE__) + "/../spec_helper"
require 'stringio'
describe "Ruby StringIO" do
it "should be coercible to java.io.InputStream with StringIO#to_input_stream" do
file = StringIO.new("\xC3\x80abcdefghij")
stream = file.to_input_stream
expect(java.io.InputStream).to be === stream
expect(stream.read).to eq(0xc3)
expect(stream.read).to eq(0x80)
bytes = "0000000000".to_java_bytes
expect(stream.read(bytes)).to eq(10)
expect(String.from_java_bytes(bytes)).to eq('abcdefghij')
# compatiblity with old-naming
expect(java.io.InputStream).to be === file.to_inputstream
end
it "should be coercible to java.io.OutputStream with StringIO#to_output_stream" do
file = StringIO.new
stream = file.to_output_stream
expect(java.io.OutputStream).to be === stream
bytes = "1234567890".to_java_bytes
stream.write(bytes)
stream.flush
file.seek(0)
str = file.read(10)
expect(str).to eq(String.from_java_bytes(bytes))
# compatiblity with old-naming
expect(java.io.OutputStream).to be === file.to_outputstream
end
it "should be coercible to java.nio.channels.Channel with StringIO#to_channel" do
file = StringIO.new
channel = file.to_channel
expect(java.nio.channels.Channel).to be === channel
bytes = java.nio.ByteBuffer.wrap("1234567890".to_java_bytes)
channel.write(bytes)
file.seek(0)
str = file.read(10)
expect(str).to eq(String.from_java_bytes(bytes.array))
end
end
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