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# -*- coding: binary -*-
require 'spec_helper'
require 'packetfu'
module PacketFu
module PcapNG
describe SHB do
before(:each) { @shb = SHB.new }
it 'should have correct initialization values' do
expect(@shb).to be_a(SHB)
expect(@shb.endian).to eq(:little)
expect(@shb.type.to_i).to eq(PcapNG::SHB_TYPE.to_i)
expect(@shb.block_len.to_i).to eq(SHB::MIN_SIZE)
expect(@shb.magic.to_s).to eq(SHB::MAGIC_LITTLE)
expect(@shb.ver_major.to_i).to eq(1)
expect(@shb.ver_minor.to_i).to eq(0)
expect(@shb.section_len.to_i).to eq(0xffffffff_ffffffff)
expect(@shb.block_len2).to eq(@shb.block_len)
expect(@shb.interfaces).to eq([])
expect(@shb.unknown_blocks).to eq([])
end
context 'when reading' do
it 'should accept a String' do
str = ::File.read(::File.join(__dir__, '../..', 'test', 'sample.pcapng'), 52)
expect { @shb.read(str) }.to_not raise_error
expect(@shb.block_len.to_i).to eq(52)
expect(@shb.has_options?).to be(true)
end
it 'should accept an IO' do
::File.open(::File.join(__dir__, '../..', 'test', 'sample.pcapng')) do |f|
@shb.read(f)
end
expect(@shb.block_len.to_i).to eq(52)
expect(@shb.has_options?).to be(true)
end
end
end
end
end
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