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Versions: 52
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "UnboundMethod#arity" do
before(:each) do
@um = UnboundMethodSpecs::Methods.new
end
it "returns the number of arguments accepted by a method, using Method#unbind" do
@um.method(:one).unbind.arity.should == 0
@um.method(:two).unbind.arity.should == 1
@um.method(:three).unbind.arity.should == 2
@um.method(:four).unbind.arity.should == 2
end
it "returns the number arguments accepted by a method, using Module#instance_method" do
UnboundMethodSpecs::Methods.instance_method(:one).arity.should == 0
UnboundMethodSpecs::Methods.instance_method(:two).arity.should == 1
UnboundMethodSpecs::Methods.instance_method(:three).arity.should == 2
UnboundMethodSpecs::Methods.instance_method(:four).arity.should == 2
end
it "if optional arguments returns the negative number of mandatory arguments, using Method#unbind" do
@um.method(:neg_one).unbind.arity.should == -1
@um.method(:neg_two).unbind.arity.should == -2
@um.method(:neg_three).unbind.arity.should == -3
@um.method(:neg_four).unbind.arity.should == -3
end
it "if optional arguments returns the negative number of mandatory arguments, using Module#instance_method" do
UnboundMethodSpecs::Methods.instance_method(:neg_one).arity.should == -1
UnboundMethodSpecs::Methods.instance_method(:neg_two).arity.should == -2
UnboundMethodSpecs::Methods.instance_method(:neg_three).arity.should == -3
UnboundMethodSpecs::Methods.instance_method(:neg_four).arity.should == -3
end
end
Version data entries
52 entries across 52 versions & 2 rubygems