[270] | 1 | ##
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| 2 | # Struct ISO Test
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| 3 |
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| 4 | assert('Struct', '15.2.18') do
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[331] | 5 | assert_equal Class, Struct.class
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[270] | 6 | end
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| 7 |
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| 8 | assert('Struct.new', '15.2.18.3.1') do
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| 9 | c = Struct.new(:m1, :m2)
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[331] | 10 | assert_equal Struct, c.superclass
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| 11 | assert_equal [:m1, :m2], c.members
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[270] | 12 | end
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| 13 |
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| 14 | assert('Struct#==', '15.2.18.4.1') do
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| 15 | c = Struct.new(:m1, :m2)
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| 16 | cc1 = c.new(1,2)
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| 17 | cc2 = c.new(1,2)
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[331] | 18 | assert_true cc1 == cc2
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| 19 |
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| 20 | Struct.new(:m1, :m2) { def foo; end }
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| 21 | assert_raise(NoMethodError) { Struct.new(:m1).new.foo }
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[270] | 22 | end
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| 23 |
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| 24 | assert('Struct#[]', '15.2.18.4.2') do
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| 25 | c = Struct.new(:m1, :m2)
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| 26 | cc = c.new(1,2)
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[331] | 27 | assert_equal 1, cc[:m1]
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| 28 | assert_equal 2, cc["m2"]
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| 29 | assert_equal 1, cc[0]
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| 30 | assert_equal 2, cc[-1]
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| 31 | assert_raise(TypeError) { cc[[]] }
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| 32 | assert_raise(IndexError) { cc[2] }
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| 33 | assert_raise(NameError) { cc['tama'] }
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[270] | 34 | end
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| 35 |
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| 36 | assert('Struct#[]=', '15.2.18.4.3') do
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| 37 | c = Struct.new(:m1, :m2)
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| 38 | cc = c.new(1,2)
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| 39 | cc[:m1] = 3
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[331] | 40 | assert_equal 3, cc[:m1]
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[270] | 41 | cc["m2"] = 3
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| 42 | assert_equal 3, cc["m2"]
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[331] | 43 | cc[0] = 4
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| 44 | assert_equal 4, cc[0]
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| 45 | cc[-1] = 5
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| 46 | assert_equal 5, cc[-1]
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[270] | 47 | assert_raise(TypeError) { cc[[]] = 3 }
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[331] | 48 | assert_raise(IndexError) { cc[2] = 7 }
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| 49 | assert_raise(NameError) { cc['pochi'] = 8 }
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[270] | 50 | end
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| 51 |
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| 52 | assert('Struct#each', '15.2.18.4.4') do
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| 53 | c = Struct.new(:m1, :m2)
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| 54 | cc = c.new(1,2)
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| 55 | a = []
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| 56 | cc.each{|x|
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| 57 | a << x
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| 58 | }
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[331] | 59 | assert_equal [1, 2], a
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[270] | 60 | end
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| 61 |
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| 62 | assert('Struct#each_pair', '15.2.18.4.5') do
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| 63 | c = Struct.new(:m1, :m2)
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| 64 | cc = c.new(1,2)
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| 65 | a = []
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| 66 | cc.each_pair{|k,v|
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| 67 | a << [k,v]
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| 68 | }
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[331] | 69 | assert_equal [[:m1, 1], [:m2, 2]], a
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[270] | 70 | end
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| 71 |
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| 72 | assert('Struct#members', '15.2.18.4.6') do
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| 73 | c = Struct.new(:m1, :m2)
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[331] | 74 | assert_equal [:m1, :m2], c.new(1,2).members
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[270] | 75 | end
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| 76 |
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| 77 | assert('Struct#select', '15.2.18.4.7') do
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| 78 | c = Struct.new(:m1, :m2)
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[331] | 79 | assert_equal([2]) { c.new(1,2).select{|v| v % 2 == 0} }
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[270] | 80 | end
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| 81 |
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| 82 | assert('large struct') do
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| 83 | c = Struct.new(:m1, :m2, :m3, :m4, :m5, :m6, :m7, :m8, :m9, :m10, :m11, :m12, :m13)
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| 84 | cc = c.new(1,2,3,4,5,6,7,8,9,10,11,12,13)
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| 85 | assert_equal 1, cc.m1
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| 86 | assert_equal 2, cc.m2
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| 87 | assert_equal 3, cc.m3
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| 88 | assert_equal 4, cc.m4
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| 89 | assert_equal 5, cc.m5
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| 90 | assert_equal 6, cc.m6
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| 91 | assert_equal 7, cc.m7
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| 92 | assert_equal 8, cc.m8
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| 93 | assert_equal 9, cc.m9
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| 94 | assert_equal 10, cc.m10
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| 95 | assert_equal 13, cc.m13
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| 96 |
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| 97 | cc.m13 = 'test'
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| 98 | assert_equal 'test', cc.m13
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| 99 |
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| 100 | assert_raise(NoMethodError) { cc.m14 }
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| 101 | end
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| 102 |
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| 103 | assert('wrong struct arg count') do
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| 104 | c = Struct.new(:m1)
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| 105 | assert_raise ArgumentError do
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| 106 | cc = c.new(1,2,3)
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| 107 | end
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| 108 | end
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| 109 |
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[331] | 110 | assert('struct dup') do
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| 111 | c = Struct.new(:m1, :m2, :m3, :m4, :m5)
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| 112 | cc = c.new(1,2,3,4,5)
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| 113 | assert_nothing_raised {
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| 114 | assert_equal(cc, cc.dup)
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| 115 | }
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| 116 | end
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| 117 |
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[270] | 118 | assert('struct inspect') do
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[439] | 119 | c = Struct.new(:m1, :m2, :m3, :m4, :m5, :recur)
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| 120 | cc = c.new(1,2,3,4,5,nil)
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| 121 | cc.recur = cc
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| 122 | assert_equal "#<struct m1=1, m2=2, m3=3, m4=4, m5=5, recur=#<struct #{cc.class}:...>>", cc.inspect
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[270] | 123 | end
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| 124 |
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| 125 | assert('Struct#length, Struct#size') do
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| 126 | s = Struct.new(:f1, :f2).new(0, 1)
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| 127 | assert_equal 2, s.size
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| 128 | assert_equal 2, s.length
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| 129 | end
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| 130 |
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| 131 | assert('Struct#to_a, Struct#values') do
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| 132 | s = Struct.new(:mem1, :mem2).new('a', 'b')
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| 133 | assert_equal ['a', 'b'], s.to_a
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| 134 | assert_equal ['a', 'b'], s.values
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| 135 | end
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| 136 |
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| 137 | assert('Struct#to_h') do
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| 138 | s = Struct.new(:white, :red, :green).new('ruuko', 'yuzuki', 'hitoe')
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| 139 | assert_equal(:white => 'ruuko', :red => 'yuzuki', :green => 'hitoe') { s.to_h }
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| 140 | end
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| 141 |
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| 142 | assert('Struct#values_at') do
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| 143 | a = Struct.new(:blue, :purple).new('aki', 'io')
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| 144 | assert_equal ['aki'], a.values_at(0)
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| 145 | assert_equal ['io', 'aki'], a.values_at(1, 0)
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| 146 | assert_raise(IndexError) { a.values_at 2 }
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| 147 | end
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[331] | 148 |
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| 149 | assert("Struct#dig") do
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| 150 | a = Struct.new(:blue, :purple).new('aki', Struct.new(:red).new(1))
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| 151 | assert_equal 'aki', a.dig(:blue)
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| 152 | assert_equal 1, a.dig(:purple, :red)
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| 153 | assert_equal 1, a.dig(1, 0)
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| 154 | end
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| 155 |
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[439] | 156 | # TODO: suppress redefining Struct warning during test
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| 157 | # assert("Struct.new removes existing constant") do
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| 158 | # begin
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| 159 | # assert_not_equal Struct.new("Test", :a), Struct.new("Test", :a, :b)
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| 160 | # ensure
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| 161 | # Struct.remove_const :Test
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| 162 | # end
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| 163 | # end
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[331] | 164 |
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| 165 | assert("Struct#initialize_copy requires struct to be the same type") do
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| 166 | begin
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| 167 | Struct.new("Test", :a)
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| 168 | a = Struct::Test.new("a")
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| 169 | Struct.remove_const :Test
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| 170 | Struct.new("Test", :a, :b)
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| 171 | assert_raise(TypeError) do
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| 172 | a.initialize_copy(Struct::Test.new("a", "b"))
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| 173 | end
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| 174 | ensure
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| 175 | Struct.remove_const :Test
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| 176 | end
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| 177 | end
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| 178 |
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| 179 | assert("Struct.new does not allow array") do
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| 180 | assert_raise(TypeError) do
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| 181 | Struct.new("Test", [:a])
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| 182 | end
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| 183 | end
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| 184 |
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[439] | 185 | assert("Struct.new does not allow invalid class name") do
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| 186 | assert_raise(NameError) { Struct.new("Test-", :a) }
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| 187 | end
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| 188 |
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[331] | 189 | assert("Struct.new generates subclass of Struct") do
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| 190 | begin
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| 191 | original_struct = Struct
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| 192 | Struct = String
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[439] | 193 | assert_equal original_struct, original_struct.new(:foo).superclass
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[331] | 194 | ensure
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| 195 | Struct = original_struct
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| 196 | end
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| 197 | end
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| 198 |
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| 199 | assert 'Struct#freeze' do
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| 200 | c = Struct.new :m
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| 201 |
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| 202 | o = c.new
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| 203 | o.m = :test
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| 204 | assert_equal :test, o.m
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| 205 |
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| 206 | o.freeze
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[439] | 207 | assert_raise(FrozenError) { o.m = :modify }
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| 208 | assert_raise(FrozenError) { o[:m] = :modify }
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[331] | 209 | assert_equal :test, o.m
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| 210 | end
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