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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Struct[]" do
it "is a synonym for new" do
StructClasses::Ruby['2.0', 'i686'].should be_kind_of(StructClasses::Ruby)
end
end
describe "Struct#[]" do
it "returns the attribute referenced" do
car = StructClasses::Car.new('Ford', 'Ranger', 1983)
car['make'].should == 'Ford'
car['model'].should == 'Ranger'
car['year'].should == 1983
car[:make].should == 'Ford'
car[:model].should == 'Ranger'
car[:year].should == 1983
car[0].should == 'Ford'
car[1].should == 'Ranger'
car[2].should == 1983
car[-3].should == 'Ford'
car[-2].should == 'Ranger'
car[-1].should == 1983
end
it "fails when it does not know about the requested attribute" do
car = StructClasses::Car.new('Ford', 'Ranger')
lambda { car[3] }.should raise_error(IndexError)
lambda { car[-4] }.should raise_error(IndexError)
lambda { car[:body] }.should raise_error(NameError)
lambda { car['wheels'] }.should raise_error(NameError)
end
it "fails if passed too many arguments" do
car = StructClasses::Car.new('Ford', 'Ranger')
lambda { car[:make, :model] }.should raise_error(ArgumentError)
end
it "fails if not passed a string, symbol, or integer" do
car = StructClasses::Car.new('Ford', 'Ranger')
lambda { car[Object.new] }.should raise_error(TypeError)
end
end
Version data entries
52 entries across 52 versions & 2 rubygems