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Contents
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
Version data entries
79 entries across 79 versions & 5 rubygems