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require 'spec_helper'
require 'mspec/expectations/expectations'
require 'mspec/matchers'
describe BeTrueMatcher do
it "matches when actual is true" do
BeTrueMatcher.new.matches?(true).should == true
end
it "does not match when actual is not true" do
BeTrueMatcher.new.matches?("").should == false
BeTrueMatcher.new.matches?(false).should == false
BeTrueMatcher.new.matches?(nil).should == false
BeTrueMatcher.new.matches?(0).should == false
end
it "provides a useful failure message" do
matcher = BeTrueMatcher.new
matcher.matches?("some string")
matcher.failure_message.should == ["Expected \"some string\"", "to be true"]
end
it "provides a useful negative failure message" do
matcher = BeTrueMatcher.new
matcher.matches?(true)
matcher.negative_failure_message.should == ["Expected true", "not to be true"]
end
end
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