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Versions: 25
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Contents
require File.dirname(__FILE__) + '/../../spec_helper.rb'
module Spec
module Matchers
describe "be_close" do
it "should match when value == target" do
be_close(5.0, 0.5).matches?(5.0).should be_true
end
it "should match when value < (target + delta)" do
be_close(5.0, 0.5).matches?(5.49).should be_true
end
it "should match when value > (target - delta)" do
be_close(5.0, 0.5).matches?(4.51).should be_true
end
it "should not match when value == (target - delta)" do
be_close(5.0, 0.5).matches?(4.5).should be_false
end
it "should not match when value < (target - delta)" do
be_close(5.0, 0.5).matches?(4.49).should be_false
end
it "should not match when value == (target + delta)" do
be_close(5.0, 0.5).matches?(5.5).should be_false
end
it "should not match when value > (target + delta)" do
be_close(5.0, 0.5).matches?(5.51).should be_false
end
it "should provide a useful failure message" do
#given
matcher = be_close(5.0, 0.5)
#when
matcher.matches?(5.51)
#then
matcher.failure_message.should == "expected 5.0 +/- (< 0.5), got 5.51"
end
it "should describe itself" 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
25 entries across 25 versions & 5 rubygems