Sha256: 3d517a695251ec0faedb85d9afef806751d5943efd2c3e9462f0f234027f5944
Contents?: true
Size: 967 Bytes
Versions: 80
Compression:
Stored size: 967 Bytes
Contents
require 'spec_helper'
describe 'IOUtils' do
let(:io) { File.open(fixtures_dir + '/test.jpg', 'rb') }
include FormatParser::IOUtils
describe '#safe_read' do
it 'raises if the requested bytes are past the EOF' do
io.seek(268118) # Seek to the actual end of the file
expect {
safe_read(io, 10)
}.to raise_error(FormatParser::IOUtils::InvalidRead)
end
it 'raises if we ask for more bytes than are available' do
expect {
safe_read(io, 1_000_000)
}.to raise_error(FormatParser::IOUtils::InvalidRead)
end
end
describe '#safe_skip' do
it 'raises on a negative skip byte amount' do
fake_io = double
expect {
safe_skip(fake_io, -5)
}.to raise_error(FormatParser::IOUtils::InvalidRead)
end
it 'uses #pos available on the object' do
fake_io = double(pos: 11)
expect(fake_io).to receive(:seek).with(11 + 5)
safe_skip(fake_io, 5)
end
end
end
Version data entries
80 entries across 80 versions & 1 rubygems