blob: 1398807fa7dfaf270dd9b965cfd18f6900d83c83 (
plain)
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
|
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/take'
describe "Enumerable#first" do
it "returns the first element" do
EnumerableSpecs::Numerous.new.first.should == 2
EnumerableSpecs::Empty.new.first.should == nil
end
it "returns nil if self is empty" do
EnumerableSpecs::Empty.new.first.should == nil
end
it 'returns a gathered array from yield parameters' do
EnumerableSpecs::YieldsMulti.new.to_enum.first.should == [1, 2]
EnumerableSpecs::YieldsMixed2.new.to_enum.first.should == nil
end
it "raises a RangeError when passed an Integer" do
enum = EnumerableSpecs::Empty.new
-> { enum.first(bignum_value) }.should raise_error(RangeError)
end
describe "when passed an argument" do
it_behaves_like :enumerable_take, :first
end
end
|