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##
# Range ISO Test
assert('Range', '15.2.14') do
assert_equal Class, Range.class
end
assert('Range#==', '15.2.14.4.1') do
assert_true (1..10) == (1..10)
assert_false (1..10) == (1..100)
skip unless Object.const_defined?(:Float)
assert_true (1..10) == Range.new(1.0, 10.0)
end
assert('Range#===', '15.2.14.4.2') do
a = (1..10)
assert_true a === 5
assert_false a === 20
end
assert('Range#begin', '15.2.14.4.3') do
assert_equal 1, (1..10).begin
end
assert('Range#each', '15.2.14.4.4') do
a = (1..3)
b = 0
a.each {|i| b += i}
assert_equal 6, b
end
assert('Range#end', '15.2.14.4.5') do
assert_equal 10, (1..10).end
end
assert('Range#exclude_end?', '15.2.14.4.6') do
assert_true (1...10).exclude_end?
assert_false (1..10).exclude_end?
end
assert('Range#first', '15.2.14.4.7') do
assert_equal 1, (1..10).first
end
assert('Range#include?', '15.2.14.4.8') do
assert_true (1..10).include?(10)
assert_false (1..10).include?(11)
assert_true (1...10).include?(9)
assert_false (1...10).include?(10)
end
assert('Range#initialize', '15.2.14.4.9') do
a = Range.new(1, 10, true)
b = Range.new(1, 10, false)
assert_equal (1...10), a
assert_true a.exclude_end?
assert_equal (1..10), b
assert_false b.exclude_end?
assert_raise(NameError) { (0..1).__send__(:initialize, 1, 3) }
end
assert('Range#last', '15.2.14.4.10') do
assert_equal 10, (1..10).last
end
assert('Range#member?', '15.2.14.4.11') do
a = (1..10)
assert_true a.member?(5)
assert_false a.member?(20)
end
assert('Range#to_s', '15.2.14.4.12') do
assert_equal "0..1", (0..1).to_s
assert_equal "0...1", (0...1).to_s
assert_equal "a..b", ("a".."b").to_s
assert_equal "a...b", ("a"..."b").to_s
end
assert('Range#inspect', '15.2.14.4.13') do
assert_equal "0..1", (0..1).inspect
assert_equal "0...1", (0...1).inspect
assert_equal "\"a\"..\"b\"", ("a".."b").inspect
assert_equal "\"a\"...\"b\"", ("a"..."b").inspect
end
assert('Range#eql?', '15.2.14.4.14') do
assert_true (1..10).eql? (1..10)
assert_false (1..10).eql? (1..100)
assert_false (1..10).eql? (Range.new(1.0, 10.0))
assert_false (1..10).eql? "1..10"
end
assert('Range#initialize_copy', '15.2.14.4.15') do
assert_raise(NameError) { (0..1).__send__(:initialize_copy, 1..3) }
end
assert('Range#dup') do
r = (1..3).dup
assert_equal r.begin, 1
assert_equal r.end, 3
assert_false r.exclude_end?
r = ("a"..."z").dup
assert_equal r.begin, "a"
assert_equal r.end, "z"
assert_true r.exclude_end?
end
assert('Range#max') do
assert_equal 10, (1..10).max
assert_equal 9, (1...10).max
assert_equal nil, (10..1).max
assert_equal nil, (10...1).max
# equal endpoints
assert_equal 5, (5..5).max
assert_equal nil, (5...5).max
# block overrides comparison
assert_equal(10, (1..10).max { |a, b| a <=> b })
assert_equal(9, (1...10).max { |a, b| a <=> b })
assert_equal(nil, (10..1).max { |a, b| a <=> b })
assert_equal(nil, (10...1).max { |a, b| a <=> b })
assert_equal(1, (1..10).max { |a, b| b <=> a })
assert_equal(1, (1...10).max { |a, b| b <=> a })
assert_equal(nil, (10..1).max { |a, b| b <=> a })
assert_equal(nil, (10...1).max { |a, b| b <=> a })
end
assert('Range#min') do
assert_equal 1, (1..10).min
assert_equal 1, (1...10).min
assert_equal nil, (10..1).min
assert_equal nil, (10...1).min
# equal endpoints
assert_equal 7, (7..7).min
assert_equal nil, (7...7).min
# block overrides comparison
assert_equal(1, (1..10).min { |a, b| a <=> b })
assert_equal(1, (1...10).min { |a, b| a <=> b })
assert_equal(nil, (10..1).min { |a, b| a <=> b })
assert_equal(nil, (10...1).min { |a, b| a <=> b })
assert_equal(10, (1..10).min { |a, b| b <=> a })
assert_equal(9, (1...10).min { |a, b| b <=> a })
assert_equal(nil, (10..1).min { |a, b| b <=> a })
assert_equal(nil, (10...1).min { |a, b| b <=> a })
end
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