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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require 'rational'
describe :rational_coerce, :shared => true do
it "returns the passed argument, self as Float, when given a Float" do
result = Rational(3, 4).coerce(1.0)
result.should == [1.0, 0.75]
result.first.is_a?(Float).should be_true
result.last.is_a?(Float).should be_true
end
it "returns the passed argument, self as Rational, when given an Integer" do
result = Rational(3, 4).coerce(10)
result.should == [Rational(10, 1), Rational(3, 4)]
result.first.is_a?(Rational).should be_true
result.last.is_a?(Rational).should be_true
end
# This failed on 1.9 as reported in bug #1636. It was fixed in revision 23718
it "returns [argument, self] when given a Rational" do
Rational(3, 7).coerce(Rational(9, 2)).should == [Rational(9, 2), Rational(3, 7)]
end
ruby_version_is ""..."1.9" do
it "tries to convert the passed argument into a Float (using #to_f)" do
obj = mock("something")
obj.should_receive(:to_f).and_return(1.1)
Rational(3, 4).coerce(obj)
end
it "returns the passed argument, self converted to Float, when given object with #to_f" do
obj = mock("something")
obj.should_receive(:to_f).and_return(1.1)
result = Rational(3, 4).coerce(obj)
result.should == [1.1, 0.75]
result.first.is_a?(Float).should be_true
result.last.is_a?(Float).should be_true
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems