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Versions: 27
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Stored size: 1.7 KB
Contents
require 'spec_helper'
module RSpec
module Matchers
describe "[actual.should] be_close(expected, delta)" do
it "matches when actual == expected" do
be_close(5.0, 0.5).matches?(5.0).should be_true
end
it "matches when actual < (expected + delta)" do
be_close(5.0, 0.5).matches?(5.49).should be_true
end
it "matches when actual > (expected - delta)" do
be_close(5.0, 0.5).matches?(4.51).should be_true
end
it "does not match when actual == (expected - delta)" do
be_close(5.0, 0.5).matches?(4.5).should be_false
end
it "does not match when actual < (expected - delta)" do
be_close(5.0, 0.5).matches?(4.49).should be_false
end
it "does not match when actual == (expected + delta)" do
be_close(5.0, 0.5).matches?(5.5).should be_false
end
it "does not match when actual > (expected + delta)" do
be_close(5.0, 0.5).matches?(5.51).should be_false
end
it "provides a failure message for should" do
#given
matcher = be_close(5.0, 0.5)
#when
matcher.matches?(5.51)
#then
matcher.failure_message_for_should.should == "expected 5.0 +/- (< 0.5), got 5.51"
end
it "provides a failure message for should tno" do
#given
matcher = be_close(5.0, 0.5)
#when
matcher.matches?(5.49)
#then
matcher.failure_message_for_should_not.should == "expected 5.0 +/- (< 0.5), got 5.49"
end
it "provides a description" do
matcher = be_close(5.0, 0.5)
matcher.matches?(5.1)
matcher.description.should == "be close to 5.0 (within +- 0.5)"
end
end
end
end
Version data entries
27 entries across 27 versions & 2 rubygems