[270] | 1 | ##
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| 2 | # Array(Ext) Test
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| 3 |
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| 4 | assert("Array#assoc") do
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| 5 | s1 = [ "colors", "red", "blue", "green" ]
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| 6 | s2 = [ "letters", "a", "b", "c" ]
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| 7 | s3 = "foo"
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| 8 | a = [ s1, s2, s3 ]
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| 9 |
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| 10 | assert_equal [ "letters", "a", "b", "c" ], a.assoc("letters")
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| 11 | assert_nil a.assoc("foo")
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| 12 | end
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| 13 |
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| 14 | assert("Array#at") do
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| 15 | a = [ "a", "b", "c", "d", "e" ]
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| 16 | assert_equal "a", a.at(0)
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| 17 | assert_equal "e", a.at(-1)
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| 18 | end
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| 19 |
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| 20 | assert("Array#rassoc") do
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| 21 | a = [ [ 1, "one"], [2, "two"], [3, "three"], ["ii", "two"] ]
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| 22 |
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| 23 | assert_equal [2, "two"], a.rassoc("two")
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| 24 | assert_nil a.rassoc("four")
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| 25 | end
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| 26 |
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| 27 | assert("Array#uniq!") do
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| 28 | a = [1, 2, 3, 1]
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| 29 | a.uniq!
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| 30 | assert_equal [1, 2, 3], a
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| 31 |
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| 32 | b = [ "a", "b", "c" ]
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| 33 | assert_nil b.uniq!
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| 34 |
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| 35 | c = [["student","sam"], ["student","george"], ["teacher","matz"]]
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| 36 | assert_equal [["student", "sam"], ["teacher", "matz"]], c.uniq! { |s| s.first }
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| 37 |
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| 38 | d = [["student","sam"], ["teacher","matz"]]
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| 39 | assert_nil d.uniq! { |s| s.first }
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| 40 | end
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| 41 |
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| 42 | assert("Array#uniq") do
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| 43 | a = [1, 2, 3, 1]
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| 44 | assert_equal [1, 2, 3], a.uniq
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| 45 | assert_equal [1, 2, 3, 1], a
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| 46 |
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| 47 | b = [["student","sam"], ["student","george"], ["teacher","matz"]]
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| 48 | assert_equal [["student", "sam"], ["teacher", "matz"]], b.uniq { |s| s.first }
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| 49 | end
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| 50 |
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| 51 | assert("Array#-") do
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| 52 | a = [1, 2, 3, 1]
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| 53 | b = [1]
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| 54 | c = 1
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| 55 |
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| 56 | assert_raise(TypeError) { a - c }
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| 57 | assert_equal [2, 3], (a - b)
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| 58 | assert_equal [1, 2, 3, 1], a
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| 59 | end
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| 60 |
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| 61 | assert("Array#|") do
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| 62 | a = [1, 2, 3, 1]
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| 63 | b = [1, 4]
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| 64 | c = 1
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| 65 |
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| 66 | assert_raise(TypeError) { a | c }
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| 67 | assert_equal [1, 2, 3, 4], (a | b)
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| 68 | assert_equal [1, 2, 3, 1], a
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| 69 | end
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| 70 |
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| 71 | assert("Array#&") do
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| 72 | a = [1, 2, 3, 1]
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| 73 | b = [1, 4]
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| 74 | c = 1
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| 75 |
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| 76 | assert_raise(TypeError) { a & c }
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| 77 | assert_equal [1], (a & b)
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| 78 | assert_equal [1, 2, 3, 1], a
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| 79 | end
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| 80 |
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| 81 | assert("Array#flatten") do
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| 82 | assert_equal [1, 2, "3", {4=>5}, :'6'], [1, 2, "3", {4=>5}, :'6'].flatten
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| 83 | assert_equal [1, 2, 3, 4, 5, 6], [1, 2, [3, 4, 5], 6].flatten
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| 84 | assert_equal [1, 2, 3, 4, 5, 6], [1, 2, [3, [4, 5], 6]].flatten
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| 85 | assert_equal [1, [2, [3, [4, [5, [6]]]]]], [1, [2, [3, [4, [5, [6]]]]]].flatten(0)
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| 86 | assert_equal [1, 2, [3, [4, [5, [6]]]]], [1, [2, [3, [4, [5, [6]]]]]].flatten(1)
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| 87 | assert_equal [1, 2, 3, [4, [5, [6]]]], [1, [2, [3, [4, [5, [6]]]]]].flatten(2)
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| 88 | assert_equal [1, 2, 3, 4, [5, [6]]], [1, [2, [3, [4, [5, [6]]]]]].flatten(3)
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| 89 | assert_equal [1, 2, 3, 4, 5, [6]], [1, [2, [3, [4, [5, [6]]]]]].flatten(4)
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| 90 | assert_equal [1, 2, 3, 4, 5, 6], [1, [2, [3, [4, [5, [6]]]]]].flatten(5)
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| 91 | end
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| 92 |
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| 93 | assert("Array#flatten!") do
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| 94 | assert_equal [1, 2, 3, 4, 5, 6], [1, 2, [3, [4, 5], 6]].flatten!
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| 95 | end
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| 96 |
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| 97 | assert("Array#compact") do
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| 98 | a = [1, nil, "2", nil, :t, false, nil]
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| 99 | assert_equal [1, "2", :t, false], a.compact
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| 100 | assert_equal [1, nil, "2", nil, :t, false, nil], a
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| 101 | end
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| 102 |
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| 103 | assert("Array#compact!") do
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| 104 | a = [1, nil, "2", nil, :t, false, nil]
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| 105 | a.compact!
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| 106 | assert_equal [1, "2", :t, false], a
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| 107 | end
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| 108 |
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| 109 | assert("Array#fetch") do
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| 110 | a = [ 11, 22, 33, 44 ]
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| 111 | assert_equal 22, a.fetch(1)
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| 112 | assert_equal 44, a.fetch(-1)
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| 113 | assert_equal 'cat', a.fetch(4, 'cat')
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| 114 | ret = 0
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| 115 | a.fetch(100) { |i| ret = i }
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| 116 | assert_equal 100, ret
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| 117 | assert_raise(IndexError) { a.fetch(100) }
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| 118 | end
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| 119 |
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| 120 | assert("Array#fill") do
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| 121 | a = [ "a", "b", "c", "d" ]
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| 122 | assert_equal ["x", "x", "x", "x"], a.fill("x")
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| 123 | assert_equal ["x", "x", "x", "w"], a.fill("w", -1)
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| 124 | assert_equal ["x", "x", "z", "z"], a.fill("z", 2, 2)
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| 125 | assert_equal ["y", "y", "z", "z"], a.fill("y", 0..1)
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| 126 | assert_equal [0, 1, 4, 9], a.fill { |i| i*i }
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| 127 | assert_equal [0, 1, 8, 27], a.fill(-2) { |i| i*i*i }
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| 128 | assert_equal [0, 2, 3, 27], a.fill(1, 2) { |i| i+1 }
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| 129 | assert_equal [1, 2, 3, 27], a.fill(0..1) { |i| i+1 }
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| 130 | assert_raise(ArgumentError) { a.fill }
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| 131 |
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| 132 | assert_equal([0, 1, 2, 3, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, -2, 1))
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| 133 | assert_equal([0, 1, 2, 3, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, -2, 3))
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| 134 | assert_equal([0, 1, 2, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3..4))
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| 135 | assert_equal([0, 1, 2, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3...4))
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| 136 | assert_equal([0, 1, -1, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2..-2))
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| 137 | assert_equal([0, 1, -1, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2...-2))
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| 138 | assert_equal([0, 1, 2, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(3..4){|i| i+10})
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| 139 | assert_equal([0, 1, 2, 13, 4, 5], [0, 1, 2, 3, 4, 5].fill(3...4){|i| i+10})
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| 140 | assert_equal([0, 1, 12, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(2..-2){|i| i+10})
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| 141 | assert_equal([0, 1, 12, 13, 4, 5], [0, 1, 2, 3, 4, 5].fill(2...-2){|i| i+10})
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| 142 |
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| 143 | assert_equal [1, 2, 3, 4, 'x', 'x'], [1, 2, 3, 4, 5, 6].fill('x', -2..-1)
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| 144 | assert_equal [1, 2, 3, 4, 'x', 6], [1, 2, 3, 4, 5, 6].fill('x', -2...-1)
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| 145 | assert_equal [1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 5, 6].fill('x', -2...-2)
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| 146 | assert_equal [1, 2, 3, 4, 'x', 6], [1, 2, 3, 4, 5, 6].fill('x', -2..-2)
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| 147 | assert_equal [1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 5, 6].fill('x', -2..0)
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| 148 | end
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| 149 |
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| 150 | assert("Array#reverse_each") do
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| 151 | a = [ "a", "b", "c", "d" ]
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| 152 | b = []
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| 153 | a.reverse_each do |i|
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| 154 | b << i
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| 155 | end
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| 156 | assert_equal [ "d", "c", "b", "a" ], b
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| 157 |
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| 158 | if Object.const_defined?(:Enumerator)
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| 159 | assert_equal [ "d", "c", "b", "a" ], a.reverse_each.to_a
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| 160 | else
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| 161 | true
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| 162 | end
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| 163 | end
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| 164 |
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| 165 | assert("Array#rotate") do
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| 166 | a = ["a", "b", "c", "d"]
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| 167 | assert_equal ["b", "c", "d", "a"], a.rotate
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| 168 | assert_equal ["a", "b", "c", "d"], a
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| 169 | assert_equal ["c", "d", "a", "b"], a.rotate(2)
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| 170 | assert_equal ["b", "c", "d", "a"], a.rotate(-3)
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| 171 | assert_equal ["c", "d", "a", "b"], a.rotate(10)
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| 172 | assert_equal [], [].rotate
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| 173 | end
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| 174 |
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| 175 | assert("Array#rotate!") do
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| 176 | a = ["a", "b", "c", "d"]
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| 177 | assert_equal ["b", "c", "d", "a"], a.rotate!
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| 178 | assert_equal ["b", "c", "d", "a"], a
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| 179 | assert_equal ["d", "a", "b", "c"], a.rotate!(2)
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| 180 | assert_equal ["a", "b", "c", "d"], a.rotate!(-3)
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| 181 | assert_equal ["c", "d", "a", "b"], a.rotate(10)
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| 182 | assert_equal [], [].rotate!
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| 183 | end
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| 184 |
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| 185 | assert("Array#delete_if") do
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| 186 | a = [1, 2, 3, 4, 5]
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| 187 | assert_equal [1, 2, 3, 4, 5], a.delete_if { false }
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| 188 | assert_equal [1, 2, 3, 4, 5], a
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| 189 |
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| 190 | a = [1, 2, 3, 4, 5]
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| 191 | assert_equal [], a.delete_if { true }
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| 192 | assert_equal [], a
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| 193 |
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| 194 | a = [1, 2, 3, 4, 5]
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| 195 | assert_equal [1, 2, 3], a.delete_if { |i| i > 3 }
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| 196 | assert_equal [1, 2, 3], a
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| 197 | end
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| 198 |
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| 199 | assert("Array#reject!") do
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| 200 | a = [1, 2, 3, 4, 5]
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| 201 | assert_nil a.reject! { false }
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| 202 | assert_equal [1, 2, 3, 4, 5], a
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| 203 |
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| 204 | a = [1, 2, 3, 4, 5]
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| 205 | assert_equal [], a.reject! { true }
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| 206 | assert_equal [], a
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| 207 |
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| 208 | a = [1, 2, 3, 4, 5]
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| 209 | assert_equal [1, 2, 3], a.reject! { |val| val > 3 }
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| 210 | assert_equal [1, 2, 3], a
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| 211 | end
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| 212 |
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| 213 | assert("Array#insert") do
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| 214 | a = ["a", "b", "c", "d"]
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| 215 | assert_equal ["a", "b", 99, "c", "d"], a.insert(2, 99)
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| 216 | assert_equal ["a", "b", 99, "c", 1, 2, 3, "d"], a.insert(-2, 1, 2, 3)
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| 217 |
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| 218 | b = ["a", "b", "c", "d"]
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| 219 | assert_equal ["a", "b", "c", "d", nil, nil, 99], b.insert(6, 99)
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| 220 | end
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| 221 |
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| 222 | assert("Array#bsearch") do
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| 223 | # Find minimum mode
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| 224 | a = [0, 4, 7, 10, 12]
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| 225 | assert_include [4, 7], a.bsearch {|x| x >= 4 }
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| 226 | assert_equal 7, a.bsearch {|x| x >= 6 }
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| 227 | assert_equal 0, a.bsearch {|x| x >= -1 }
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| 228 | assert_nil a.bsearch {|x| x >= 100 }
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| 229 |
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| 230 | # Find any mode
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| 231 | a = [0, 4, 7, 10, 12]
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| 232 | assert_include [4, 7], a.bsearch {|x| 1 - (x / 4).truncate }
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| 233 | assert_nil a.bsearch {|x| 4 - (x / 2).truncate }
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| 234 | assert_equal(nil, a.bsearch {|x| 1 })
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| 235 | assert_equal(nil, a.bsearch {|x| -1 })
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| 236 | end
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| 237 |
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| 238 | assert("Array#delete_if") do
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| 239 | a = [1, 2, 3, 4, 5]
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| 240 | assert_equal [1, 2, 3, 4, 5], a.delete_if { false }
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| 241 | assert_equal [1, 2, 3, 4, 5], a
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| 242 |
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| 243 | a = [1, 2, 3, 4, 5]
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| 244 | assert_equal [], a.delete_if { true }
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| 245 | assert_equal [], a
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| 246 |
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| 247 | a = [ 1, 2, 3, 4, 5 ]
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| 248 | assert_equal [1, 2, 3], a.delete_if { |val| val > 3 }
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| 249 | end
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| 250 |
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| 251 | assert("Array#keep_if") do
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| 252 | a = [1, 2, 3, 4, 5]
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| 253 | assert_equal [1, 2, 3, 4, 5], a.keep_if { true }
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| 254 | assert_equal [1, 2, 3, 4, 5], a
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| 255 |
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| 256 | a = [1, 2, 3, 4, 5]
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| 257 | assert_equal [], a.keep_if { false }
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| 258 | assert_equal [], a
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| 259 |
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| 260 | a = [1, 2, 3, 4, 5]
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| 261 | assert_equal [4, 5], a.keep_if { |val| val > 3 }
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| 262 | assert_equal [4, 5], a
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| 263 | end
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| 264 |
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| 265 | assert("Array#select!") do
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| 266 | a = [1, 2, 3, 4, 5]
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| 267 | assert_nil a.select! { true }
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| 268 | assert_equal [1, 2, 3, 4, 5], a
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| 269 |
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| 270 | a = [1, 2, 3, 4, 5]
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| 271 | assert_equal [], a.select! { false }
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| 272 | assert_equal [], a
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| 273 |
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| 274 | a = [1, 2, 3, 4, 5]
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| 275 | assert_equal [4, 5], a.select! { |val| val > 3 }
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| 276 | assert_equal [4, 5], a
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| 277 | end
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| 278 |
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| 279 | assert('Array#values_at') do
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| 280 | a = %w{red green purple white none}
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| 281 |
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| 282 | assert_equal %w{red purple none}, a.values_at(0, 2, 4)
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| 283 | assert_equal ['green', 'white', nil, nil], a.values_at(1, 3, 5, 7)
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| 284 | assert_equal ['none', 'white', 'white', nil], a.values_at(-1, -2, -2, -7)
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| 285 | assert_equal ['none', nil, nil, 'red', 'green', 'purple'], a.values_at(4..6, 0...3)
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| 286 | assert_raise(TypeError) { a.values_at 'tt' }
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| 287 | end
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| 288 |
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| 289 | assert('Array#to_h') do
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| 290 | assert_equal({}, [].to_h)
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| 291 | assert_equal({a: 1, b:2}, [[:a, 1], [:b, 2]].to_h)
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| 292 |
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| 293 | assert_raise(TypeError) { [1].to_h }
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| 294 | assert_raise(ArgumentError) { [[1]].to_h }
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| 295 | end
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| 296 |
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| 297 | assert("Array#index (block)") do
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| 298 | assert_nil (1..10).to_a.index { |i| i % 5 == 0 and i % 7 == 0 }
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| 299 | assert_equal 34, (1..100).to_a.index { |i| i % 5 == 0 and i % 7 == 0 }
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| 300 | end
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