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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
describe "Fixnum#coerce when given a Fixnum" do
it "returns an array containing two Fixnums" do
1.coerce(2).should == [2, 1]
1.coerce(2).map { |i| i.class }.should == [Fixnum, Fixnum]
end
end
describe "Fixnum#coerce when given a String" do
it "raises an ArgumentError when trying to coerce with a non-number String" do
lambda { 1.coerce(":)") }.should raise_error(ArgumentError)
end
it "returns an array containing two Floats" do
1.coerce("2").should == [2.0, 1.0]
1.coerce("-2").should == [-2.0, 1.0]
end
end
describe "Fixnum#coerce" do
it "raises a TypeError when trying to coerce with nil" do
lambda { 1.coerce(nil) }.should raise_error(TypeError)
end
it "tries to convert the given Object into a Float by using #to_f" do
(obj = mock('1.0')).should_receive(:to_f).and_return(1.0)
2.coerce(obj).should == [1.0, 2.0]
(obj = mock('0')).should_receive(:to_f).and_return('0')
lambda { 2.coerce(obj).should == [1.0, 2.0] }.should raise_error(TypeError)
end
it "raises a TypeError when given an Object that does not respond to #to_f" do
lambda { 1.coerce(mock('x')) }.should raise_error(TypeError)
lambda { 1.coerce(1..4) }.should raise_error(TypeError)
lambda { 1.coerce(:test) }.should raise_error(TypeError)
end
end
Version data entries
83 entries across 83 versions & 1 rubygems