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Contents
# encoding: utf-8
require 'spec_helper'
require 'tbpgr_utils'
describe Array do
context :exchange! do
cases = [
{
case_no: 1,
case_title: 'normal case',
input: [*1..6],
one_index: 1,
other_index: 5,
expected: [1, 6, 3, 4, 5, 2],
},
{
case_no: 2,
case_title: 'minus case',
input: [*1..6],
one_index: 1,
other_index: -1,
expected: [1, 6, 3, 4, 5, 2],
},
{
case_no: 3,
case_title: 'out of range case',
input: [*1..6],
one_index: 1,
other_index: 6,
expected: [*1..6],
},
{
case_no: 4,
case_title: 'out of range(minus) case',
input: [*1..6],
one_index: 1,
other_index: -6,
expected: [*1..6],
},
{
case_no: 5,
case_title: 'empty case',
input: [],
one_index: 1,
other_index: 6,
expected: [],
},
]
cases.each do |c|
it "|case_no=#{c[:case_no]}|case_title=#{c[:case_title]}" do
begin
case_before c
# -- given --
# nothing
# -- when/then --
actual = c[:input].exchange! c[:one_index], c[:other_index]
expect(actual).to eq(c[:expected])
ensure
case_after c
end
end
def case_before(c)
# implement each case before
end
def case_after(c)
# implement each case after
end
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems