1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
|
require File.expand_path('../spec_helper', __FILE__)
load_extension("range")
describe "C-API Range function" do
before :each do
@s = CApiRangeSpecs.new
end
describe "rb_range_new" do
it "constructs a range using the given start and end" do
range = @s.rb_range_new('a', 'c')
range.should == ('a'..'c')
range.first.should == 'a'
range.last.should == 'c'
end
it "includes the end object when the third parameter is omitted or false" do
@s.rb_range_new('a', 'c').to_a.should == ['a', 'b', 'c']
@s.rb_range_new(1, 3).to_a.should == [1, 2, 3]
@s.rb_range_new('a', 'c', false).to_a.should == ['a', 'b', 'c']
@s.rb_range_new(1, 3, false).to_a.should == [1, 2, 3]
@s.rb_range_new('a', 'c', true).to_a.should == ['a', 'b']
@s.rb_range_new(1, 3, 1).to_a.should == [1, 2]
@s.rb_range_new(1, 3, mock('[1,2]')).to_a.should == [1, 2]
@s.rb_range_new(1, 3, :test).to_a.should == [1, 2]
end
it "raises an ArgumentError when the given start and end can't be compared by using #<=>" do
lambda { @s.rb_range_new(1, mock('x')) }.should raise_error(ArgumentError)
lambda { @s.rb_range_new(mock('x'), mock('y')) }.should raise_error(ArgumentError)
end
ruby_version_is ""..."1.9" do
it "raises an ArgumentError when the given start uses method_missing and end is mock" do
b = mock('x')
(a = mock('nil')).should_receive(:method_missing).with(:<=>, b).and_return(nil)
lambda { @s.rb_range_new(a, b) }.should raise_error(ArgumentError)
end
end
end
end
|