mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
28 lines
751 B
Ruby
28 lines
751 B
Ruby
![]() |
require File.expand_path('../../../spec_helper', __FILE__)
|
||
|
|
||
|
describe "Array#take" do
|
||
|
it "returns the first specified number of elements" do
|
||
|
[1, 2, 3].take(2).should == [1, 2]
|
||
|
end
|
||
|
|
||
|
it "returns all elements when the argument is greater than the Array size" do
|
||
|
[1, 2].take(99).should == [1, 2]
|
||
|
end
|
||
|
|
||
|
it "returns all elements when the argument is less than the Array size" do
|
||
|
[1, 2].take(4).should == [1, 2]
|
||
|
end
|
||
|
|
||
|
it "returns an empty Array when passed zero" do
|
||
|
[1].take(0).should == []
|
||
|
end
|
||
|
|
||
|
it "returns an empty Array when called on an empty Array" do
|
||
|
[].take(3).should == []
|
||
|
end
|
||
|
|
||
|
it "raises an ArgumentError when the argument is negative" do
|
||
|
lambda{ [1].take(-3) }.should raise_error(ArgumentError)
|
||
|
end
|
||
|
end
|