[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 | # Check crash bug with Struc.new and no params.
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| 15 | assert('Struct.new', '15.2.18.3.1') do
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| 16 | c = Struct.new()
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[331] | 17 | assert_equal Struct, c.superclass
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| 18 | assert_equal [], c.members
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[270] | 19 | end
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| 20 |
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| 21 | assert('Struct#==', '15.2.18.4.1') do
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| 22 | c = Struct.new(:m1, :m2)
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| 23 | cc1 = c.new(1,2)
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| 24 | cc2 = c.new(1,2)
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[331] | 25 | assert_true cc1 == cc2
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| 26 |
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| 27 | Struct.new(:m1, :m2) { def foo; end }
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| 28 | assert_raise(NoMethodError) { Struct.new(:m1).new.foo }
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[270] | 29 | end
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| 30 |
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| 31 | assert('Struct#[]', '15.2.18.4.2') do
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| 32 | c = Struct.new(:m1, :m2)
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| 33 | cc = c.new(1,2)
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[331] | 34 | assert_equal 1, cc[:m1]
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| 35 | assert_equal 2, cc["m2"]
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| 36 | assert_equal 1, cc[0]
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| 37 | assert_equal 2, cc[-1]
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| 38 | assert_raise(TypeError) { cc[[]] }
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| 39 | assert_raise(IndexError) { cc[2] }
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| 40 | assert_raise(NameError) { cc['tama'] }
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[270] | 41 | end
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| 42 |
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| 43 | assert('Struct#[]=', '15.2.18.4.3') do
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| 44 | c = Struct.new(:m1, :m2)
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| 45 | cc = c.new(1,2)
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| 46 | cc[:m1] = 3
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[331] | 47 | assert_equal 3, cc[:m1]
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[270] | 48 | cc["m2"] = 3
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| 49 | assert_equal 3, cc["m2"]
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[331] | 50 | cc[0] = 4
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| 51 | assert_equal 4, cc[0]
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| 52 | cc[-1] = 5
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| 53 | assert_equal 5, cc[-1]
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[270] | 54 | assert_raise(TypeError) { cc[[]] = 3 }
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[331] | 55 | assert_raise(IndexError) { cc[2] = 7 }
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| 56 | assert_raise(NameError) { cc['pochi'] = 8 }
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[270] | 57 | end
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| 58 |
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| 59 | assert('Struct#each', '15.2.18.4.4') do
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| 60 | c = Struct.new(:m1, :m2)
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| 61 | cc = c.new(1,2)
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| 62 | a = []
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| 63 | cc.each{|x|
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| 64 | a << x
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| 65 | }
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[331] | 66 | assert_equal [1, 2], a
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[270] | 67 | end
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| 68 |
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| 69 | assert('Struct#each_pair', '15.2.18.4.5') do
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| 70 | c = Struct.new(:m1, :m2)
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| 71 | cc = c.new(1,2)
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| 72 | a = []
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| 73 | cc.each_pair{|k,v|
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| 74 | a << [k,v]
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| 75 | }
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[331] | 76 | assert_equal [[:m1, 1], [:m2, 2]], a
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[270] | 77 | end
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| 78 |
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| 79 | assert('Struct#members', '15.2.18.4.6') do
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| 80 | c = Struct.new(:m1, :m2)
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[331] | 81 | assert_equal [:m1, :m2], c.new(1,2).members
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[270] | 82 | end
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| 83 |
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| 84 | assert('Struct#select', '15.2.18.4.7') do
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| 85 | c = Struct.new(:m1, :m2)
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[331] | 86 | assert_equal([2]) { c.new(1,2).select{|v| v % 2 == 0} }
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[270] | 87 | end
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| 88 |
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| 89 | assert('large struct') do
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| 90 | c = Struct.new(:m1, :m2, :m3, :m4, :m5, :m6, :m7, :m8, :m9, :m10, :m11, :m12, :m13)
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| 91 | cc = c.new(1,2,3,4,5,6,7,8,9,10,11,12,13)
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| 92 | assert_equal 1, cc.m1
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| 93 | assert_equal 2, cc.m2
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| 94 | assert_equal 3, cc.m3
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| 95 | assert_equal 4, cc.m4
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| 96 | assert_equal 5, cc.m5
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| 97 | assert_equal 6, cc.m6
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| 98 | assert_equal 7, cc.m7
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| 99 | assert_equal 8, cc.m8
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| 100 | assert_equal 9, cc.m9
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| 101 | assert_equal 10, cc.m10
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| 102 | assert_equal 13, cc.m13
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| 103 |
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| 104 | cc.m13 = 'test'
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| 105 | assert_equal 'test', cc.m13
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| 106 |
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| 107 | assert_raise(NoMethodError) { cc.m14 }
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| 108 | end
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| 109 |
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| 110 | assert('wrong struct arg count') do
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| 111 | c = Struct.new(:m1)
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| 112 | assert_raise ArgumentError do
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| 113 | cc = c.new(1,2,3)
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| 114 | end
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| 115 | end
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| 116 |
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[331] | 117 | assert('struct dup') do
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| 118 | c = Struct.new(:m1, :m2, :m3, :m4, :m5)
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| 119 | cc = c.new(1,2,3,4,5)
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| 120 | assert_nothing_raised {
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| 121 | assert_equal(cc, cc.dup)
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| 122 | }
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| 123 | end
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| 124 |
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[270] | 125 | assert('struct inspect') do
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| 126 | c = Struct.new(:m1, :m2, :m3, :m4, :m5)
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| 127 | cc = c.new(1,2,3,4,5)
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| 128 | assert_equal "#<struct m1=1, m2=2, m3=3, m4=4, m5=5>", cc.inspect
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| 129 | end
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| 130 |
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| 131 | assert('Struct#length, Struct#size') do
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| 132 | s = Struct.new(:f1, :f2).new(0, 1)
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| 133 | assert_equal 2, s.size
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| 134 | assert_equal 2, s.length
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| 135 | end
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| 136 |
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| 137 | assert('Struct#to_a, Struct#values') do
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| 138 | s = Struct.new(:mem1, :mem2).new('a', 'b')
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| 139 | assert_equal ['a', 'b'], s.to_a
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| 140 | assert_equal ['a', 'b'], s.values
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| 141 | end
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| 142 |
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| 143 | assert('Struct#to_h') do
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| 144 | s = Struct.new(:white, :red, :green).new('ruuko', 'yuzuki', 'hitoe')
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| 145 | assert_equal(:white => 'ruuko', :red => 'yuzuki', :green => 'hitoe') { s.to_h }
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| 146 | end
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| 147 |
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| 148 | assert('Struct#values_at') do
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| 149 | a = Struct.new(:blue, :purple).new('aki', 'io')
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| 150 | assert_equal ['aki'], a.values_at(0)
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| 151 | assert_equal ['io', 'aki'], a.values_at(1, 0)
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| 152 | assert_raise(IndexError) { a.values_at 2 }
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| 153 | end
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[331] | 154 |
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| 155 | assert("Struct#dig") do
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| 156 | a = Struct.new(:blue, :purple).new('aki', Struct.new(:red).new(1))
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| 157 | assert_equal 'aki', a.dig(:blue)
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| 158 | assert_equal 1, a.dig(:purple, :red)
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| 159 | assert_equal 1, a.dig(1, 0)
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| 160 | end
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| 161 |
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| 162 | assert("Struct.new removes existing constant") do
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| 163 | skip "redefining Struct with same name cause warnings"
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| 164 | begin
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| 165 | assert_not_equal Struct.new("Test", :a), Struct.new("Test", :a, :b)
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| 166 | ensure
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| 167 | Struct.remove_const :Test
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| 168 | end
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| 169 | end
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| 170 |
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| 171 | assert("Struct#initialize_copy requires struct to be the same type") do
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| 172 | begin
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| 173 | Struct.new("Test", :a)
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| 174 | a = Struct::Test.new("a")
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| 175 | Struct.remove_const :Test
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| 176 | Struct.new("Test", :a, :b)
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| 177 | assert_raise(TypeError) do
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| 178 | a.initialize_copy(Struct::Test.new("a", "b"))
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| 179 | end
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| 180 | ensure
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| 181 | Struct.remove_const :Test
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| 182 | end
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| 183 | end
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| 184 |
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| 185 | assert("Struct.new does not allow array") do
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| 186 | assert_raise(TypeError) do
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| 187 | Struct.new("Test", [:a])
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| 188 | end
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| 189 | end
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| 190 |
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| 191 | assert("Struct.new generates subclass of Struct") do
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| 192 | begin
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| 193 | original_struct = Struct
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| 194 | Struct = String
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| 195 | assert_equal original_struct, original_struct.new.superclass
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| 196 | ensure
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| 197 | Struct = original_struct
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| 198 | end
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| 199 | end
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| 200 |
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| 201 | assert 'Struct#freeze' do
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| 202 | c = Struct.new :m
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| 203 |
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| 204 | o = c.new
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| 205 | o.m = :test
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| 206 | assert_equal :test, o.m
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| 207 |
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| 208 | o.freeze
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| 209 | assert_raise(RuntimeError) { o.m = :modify }
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| 210 | assert_raise(RuntimeError) { o[:m] = :modify }
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| 211 | assert_equal :test, o.m
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| 212 | end
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