68 lines
1.6 KiB
Ruby
68 lines
1.6 KiB
Ruby
require 'helper'
|
|
|
|
describe Pry::HistoryArray do
|
|
before do
|
|
@array = Pry::HistoryArray.new 10
|
|
@populated = @array.dup << 1 << 2 << 3 << 4
|
|
end
|
|
|
|
it 'should have a maximum size specifed at creation time' do
|
|
@array.max_size.should == 10
|
|
end
|
|
|
|
it 'should be able to be added objects to' do
|
|
@populated.size.should == 4
|
|
@populated.to_a.should == [1, 2, 3, 4]
|
|
end
|
|
|
|
it 'should be able to access single elements' do
|
|
@populated[2].should == 3
|
|
end
|
|
|
|
it 'should be able to access negative indices' do
|
|
@populated[-1].should == 4
|
|
end
|
|
|
|
it 'should be able to access ranges' do
|
|
@populated[1..2].should == [2, 3]
|
|
end
|
|
|
|
it 'should be able to access ranges starting from a negative index' do
|
|
@populated[-2..3].should == [3, 4]
|
|
end
|
|
|
|
it 'should be able to access ranges ending at a negative index' do
|
|
@populated[2..-1].should == [3, 4]
|
|
end
|
|
|
|
it 'should be able to access ranges using only negative indices' do
|
|
@populated[-2..-1].should == [3, 4]
|
|
end
|
|
|
|
it 'should be able to use range where end is excluded' do
|
|
@populated[-2...-1].should == [3]
|
|
end
|
|
|
|
it 'should be able to access slices using a size' do
|
|
@populated[-3, 2].should == [2, 3]
|
|
end
|
|
|
|
it 'should remove older entries' do
|
|
11.times { |n| @array << n }
|
|
|
|
@array[0].should == nil
|
|
@array[1].should == 1
|
|
@array[10].should == 10
|
|
end
|
|
|
|
it 'should not be larger than specified maximum size' do
|
|
12.times { |n| @array << n }
|
|
@array.entries.compact.size.should == 10
|
|
end
|
|
|
|
it 'should pop!' do
|
|
@populated.pop!
|
|
@populated.to_a.should == [1, 2, 3]
|
|
end
|
|
end
|