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Contents
# encoding: utf-8
require "spec_helper"
module Hexx
describe Null do
subject { Null }
describe ".new" do
it "constructs itself" do
expect(Null.new).to eq Null
end
end
describe "arbitrary method" do
it "is defined" do
expect(Null).to respond_to :drag_and_drop
end
it "yields a block" do
test = double :test, check: nil
expect(test).to receive :check
Null.when_fishing { test.check }
end
it "returns itself" do
expect(Null.is_an_eagle_owl?).to eq Null
end
end
it "equals nil" do
expect(Null).to eq nil
expect(Null).to be_nil
end
it "equals Null" do
expect(Null.eq? Null).to be_truthy
end
it "is less than any other object" do
expect(Null).to be < -1
expect(Null).to be < false
expect(Null).to be < true
expect(Null).to be < ""
end
it "is falsey" do
expect(Null).to be_falsey
expect(Null).not_to be_truthy
expect(!Null).to eq true
end
describe "#to_a" do
it "returns the empty array" do
expect(Null.to_a).to eq []
end
end
describe "#to_h" do
it "returns the empty hash" do
expect(Null.to_h).to eq({})
end
end
describe "#to_s" do
it "returns the empty string" do
expect(Null.to_s).to eq ""
end
end
describe "#to_i" do
it "returns zero as an integer" do
expect(Null.to_i).to eq 0
end
end
describe "#to_f" do
it "returns zero as a float" do
expect(Null.to_f).to eq 0.0
end
end
describe "#to_c" do
it "returns zero as a complex" do
expect(Null.to_c).to eq 0.to_c
end
end
describe "#to_r" do
it "returns zero as a rational" do
expect(Null.to_r).to eq 0.to_r
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems