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require 'spec_helper'
describe Immutable::List do
describe '#index' do
context 'on a really big list' do
it "doesn't run out of stack" do
-> { BigList.index(nil) }.should_not raise_error
end
end
[
[[], 'A', nil],
[[], nil, nil],
[['A'], 'A', 0],
[['A'], 'B', nil],
[['A'], nil, nil],
[['A', 'B', nil], 'A', 0],
[['A', 'B', nil], 'B', 1],
[['A', 'B', nil], nil, 2],
[['A', 'B', nil], 'C', nil],
[[2], 2, 0],
[[2], 2.0, 0],
[[2.0], 2.0, 0],
[[2.0], 2, 0],
].each do |values, item, expected|
context "looking for #{item.inspect} in #{values.inspect}" do
it "returns #{expected.inspect}" do
L[*values].index(item).should == expected
end
end
end
end
end
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