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Contents
require 'spec_helper'
module BerkeleyLibrary
module Util
describe Strings do
describe :ascii_numeric do
it 'returns true for ASCII numeric strings' do
str = '8675309'
expect(Strings.ascii_numeric?(str)).to eq(true)
end
it 'returns false for non-ASCII numeric strings' do
strs = %w[
٨٦٧٥٣٠٩
八六七五三〇九
]
aggregate_failures 'non-ASCII numeric strings' do
strs.each do |str|
expect(Strings.ascii_numeric?(str)).to eq(false), "Expected #{str.inspect} to be non-ASCII-numeric"
end
end
end
it 'returns false for mixed ASCII numeric and non-numeric strings' do
strs = [
'867-5309',
'867 5309',
' 8675309 '
]
aggregate_failures 'ASCII mixed numeric and non-numeric strings' do
strs.each do |str|
expect(Strings.ascii_numeric?(str)).to eq(false), "Expected #{str.inspect} to be non-ASCII-numeric"
end
end
end
end
describe :diff_index do
it 'returns nil for identical strings' do
s = 'elvis'
expect(Strings.diff_index(s, s)).to be_nil
end
it 'returns the index for different strings' do
s1 = 'elvis aaron presley'
s2 = 'elvis nikita presley'
expect(Strings.diff_index(s1, s2)).to eq(6)
end
it 'returns the length of the shorter string for prefixes' do
s1 = 'elvis'
s2 = 'elvis aaron presley'
expect(Strings.diff_index(s1, s2)).to eq(5)
expect(Strings.diff_index(s2, s1)).to eq(5)
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems