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