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require 'spec_helper'
describe Jaeger::TraceId do
describe '.base16_hex_id_to_uint64' do
it 'returns 0 when negative number' do
id = described_class.base16_hex_id_to_uint64('-1')
expect(id).to eq(0)
end
it 'returns 0 when larger than 64 bit uint' do
id = described_class.base16_hex_id_to_uint64('10000000000000000')
expect(id).to eq(0)
end
it 'converts base16 encoded hex to uint64' do
id = described_class.base16_hex_id_to_uint64('ff' * 8)
expect(id).to eq((2**64) - 1)
end
end
describe '.uint64_id_to_int64' do
it 'converts large IDs to negative longs' do
id = described_class.uint64_id_to_int64((2**64) - 1)
expect(id).to eq(-1)
end
it 'converts non large IDs to positive longs' do
id = described_class.uint64_id_to_int64((2**63) - 1)
expect(id).to eq((2**63) - 1)
end
end
end
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