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Versions: 11
Compression:
Stored size: 1.3 KB
Contents
# encoding: utf-8
require 'spec_helper'
describe Axiom::Types::Infinity, '#<=>' do
subject { object <=> other }
let(:object) { described_class.instance }
[
1, # Fixnum
2**63, # Bignum
1.0, # Float
Rational(1, 1), # Rational
BigDecimal('1'), # BigDecimal
].each do |number|
context "when other object is a #{number.class}" do
let(:other) { number }
it { should be(1) }
it 'is symmetric' do
should be(-(other <=> object))
end
end
end
context 'when the other object is negative infinity' do
let(:other) { Axiom::Types::NegativeInfinity.instance }
it { should be(1) }
it 'is symmetric' do
should be(-(other <=> object))
end
end
context 'when the other object is infinity' do
let(:other) { object }
it { should be(0) }
it 'is symmetric' do
should be(-(other <=> object))
end
end
context 'when the other object is Float::INFINITY' do
let(:other) { Float::INFINITY }
it { should be(0) }
it 'is symmetric' do
should be(-(other <=> object))
end
end
context 'when the other object is not comparable' do
let(:other) { 'string' }
it { should be_nil }
it 'is symmetric' do
should be(other <=> object)
end
end
end
Version data entries
11 entries across 9 versions & 4 rubygems