shard-spectator/spec/rspec/expectations/be_within_matcher_spec.cr
2020-01-17 22:41:38 -07:00

24 lines
889 B
Crystal

require "../../spec_helper"
# Examples taken from:
# https://relishapp.com/rspec/rspec-expectations/v/3-8/docs/built-in-matchers/be-within-matcher
# and modified to fit Spectator and Crystal.
Spectator.describe "`be_within` matcher" do
context "basic usage" do
describe 27.5 do
it { is_expected.to be_within(0.5).of(27.9) }
it { is_expected.to be_within(0.5).of(28.0) }
it { is_expected.to be_within(0.5).of(27.1) }
it { is_expected.to be_within(0.5).of(27.0) }
it { is_expected.not_to be_within(0.5).of(28.1) }
it { is_expected.not_to be_within(0.5).of(26.9) }
# deliberate failures
it_fails { is_expected.not_to be_within(0.5).of(28) }
it_fails { is_expected.not_to be_within(0.5).of(27) }
it_fails { is_expected.to be_within(0.5).of(28.1) }
it_fails { is_expected.to be_within(0.5).of(26.9) }
end
end
end