[270] | 1 | assert('__FILE__') do
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| 2 | file = __FILE__[-9, 9]
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| 3 | assert_equal 'syntax.rb', file
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| 4 | end
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| 5 |
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| 6 | assert('__LINE__') do
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| 7 | assert_equal 7, __LINE__
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| 8 | end
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| 9 |
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| 10 | assert('super', '11.3.4') do
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| 11 | assert_raise NoMethodError do
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| 12 | super
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| 13 | end
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| 14 |
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| 15 | class SuperFoo
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| 16 | def foo
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| 17 | true
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| 18 | end
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| 19 | def bar(*a)
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| 20 | a
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| 21 | end
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| 22 | end
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| 23 | class SuperBar < SuperFoo
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| 24 | def foo
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| 25 | super
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| 26 | end
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| 27 | def bar(*a)
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| 28 | super(*a)
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| 29 | end
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| 30 | end
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| 31 | bar = SuperBar.new
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| 32 |
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| 33 | assert_true bar.foo
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| 34 | assert_equal [1,2,3], bar.bar(1,2,3)
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| 35 | end
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| 36 |
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| 37 | assert('yield', '11.3.5') do
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| 38 | assert_raise LocalJumpError do
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| 39 | yield
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| 40 | end
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[331] | 41 | assert_raise LocalJumpError do
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| 42 | o = Object.new
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| 43 | def o.foo
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| 44 | yield
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| 45 | end
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| 46 | o.foo
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| 47 | end
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[270] | 48 | end
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| 49 |
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[331] | 50 | assert('redo in a for loop (#3275)') do
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| 51 | sum = 0
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| 52 | for i in 1..10
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| 53 | sum += i
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| 54 | i -= 1
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| 55 | if i > 0
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| 56 | redo
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| 57 | end
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| 58 | end
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| 59 |
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| 60 | assert_equal 220, sum
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| 61 | end
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| 62 |
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[270] | 63 | assert('Abbreviated variable assignment', '11.4.2.3.2') do
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| 64 | a ||= 1
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| 65 | b &&= 1
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| 66 | c = 1
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| 67 | c += 2
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| 68 |
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| 69 | assert_equal 1, a
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| 70 | assert_nil b
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| 71 | assert_equal 3, c
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| 72 | end
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| 73 |
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| 74 | assert('case expression', '11.5.2.2.4') do
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| 75 | # case-expression-with-expression, one when-clause
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| 76 | x = 0
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| 77 | case "a"
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| 78 | when "a"
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| 79 | x = 1
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| 80 | end
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| 81 | assert_equal 1, x
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| 82 |
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| 83 | # case-expression-with-expression, multiple when-clauses
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| 84 | x = 0
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| 85 | case "b"
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| 86 | when "a"
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| 87 | x = 1
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| 88 | when "b"
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| 89 | x = 2
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| 90 | end
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| 91 | assert_equal 2, x
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| 92 |
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| 93 | # no matching when-clause
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| 94 | x = 0
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| 95 | case "c"
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| 96 | when "a"
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| 97 | x = 1
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| 98 | when "b"
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| 99 | x = 2
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| 100 | end
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| 101 | assert_equal 0, x
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| 102 |
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| 103 | # case-expression-with-expression, one when-clause and one else-clause
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| 104 | a = 0
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| 105 | case "c"
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| 106 | when "a"
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| 107 | x = 1
|
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| 108 | else
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| 109 | x = 3
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| 110 | end
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| 111 | assert_equal 3, x
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| 112 |
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| 113 | # case-expression-without-expression, one when-clause
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| 114 | x = 0
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| 115 | case
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| 116 | when true
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| 117 | x = 1
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| 118 | end
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| 119 | assert_equal 1, x
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| 120 |
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| 121 | # case-expression-without-expression, multiple when-clauses
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| 122 | x = 0
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| 123 | case
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| 124 | when 0 == 1
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| 125 | x = 1
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| 126 | when 1 == 1
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| 127 | x = 2
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| 128 | end
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| 129 | assert_equal 2, x
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| 130 |
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| 131 | # case-expression-without-expression, one when-clause and one else-clause
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| 132 | x = 0
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| 133 | case
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| 134 | when 0 == 1
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| 135 | x = 1
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| 136 | else
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| 137 | x = 3
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| 138 | end
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| 139 | assert_equal 3, x
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| 140 |
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| 141 | # multiple when-arguments
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| 142 | x = 0
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| 143 | case 4
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| 144 | when 1, 3, 5
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| 145 | x = 1
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| 146 | when 2, 4, 6
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| 147 | x = 2
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| 148 | end
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| 149 | assert_equal 2, x
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| 150 |
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| 151 | # when-argument with splatting argument
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| 152 | x = :integer
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| 153 | odds = [ 1, 3, 5, 7, 9 ]
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| 154 | evens = [ 2, 4, 6, 8 ]
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| 155 | case 5
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| 156 | when *odds
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| 157 | x = :odd
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| 158 | when *evens
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| 159 | x = :even
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| 160 | end
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| 161 | assert_equal :odd, x
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| 162 |
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| 163 | true
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| 164 | end
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| 165 |
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| 166 | assert('Nested const reference') do
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| 167 | module Syntax4Const
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| 168 | CONST1 = "hello world"
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| 169 | class Const2
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| 170 | def const1
|
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| 171 | CONST1
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| 172 | end
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| 173 | end
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| 174 | end
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| 175 | assert_equal "hello world", Syntax4Const::CONST1
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| 176 | assert_equal "hello world", Syntax4Const::Const2.new.const1
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| 177 | end
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| 178 |
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| 179 | assert('Abbreviated variable assignment as returns') do
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| 180 | module Syntax4AbbrVarAsgnAsReturns
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| 181 | class A
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| 182 | def b
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| 183 | @c ||= 1
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| 184 | end
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| 185 | end
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| 186 | end
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| 187 | assert_equal 1, Syntax4AbbrVarAsgnAsReturns::A.new.b
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| 188 | end
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| 189 |
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| 190 | assert('Splat and multiple assignment') do
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| 191 | *a = *[1,2,3]
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| 192 | b, *c = *[7,8,9]
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| 193 |
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| 194 | assert_equal [1,2,3], a
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| 195 | assert_equal 7, b
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| 196 | assert_equal [8,9], c
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| 197 |
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| 198 | (a, b), c = [1,2],3
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| 199 | assert_equal [1,2,3], [a,b,c]
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| 200 | (a, b), c = 1,2,3
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| 201 | assert_equal [1,nil,2], [a,b,c]
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| 202 | end
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| 203 |
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| 204 | assert('Splat and multiple assignment from variable') do
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| 205 | a = [1, 2, 3]
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| 206 | b, *c = a
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---|
| 207 |
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| 208 | assert_equal 1, b
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---|
| 209 | assert_equal [2, 3], c
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| 210 | end
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| 211 |
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| 212 | assert('Splat and multiple assignment from variables') do
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| 213 | a = [1, 2, 3]
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| 214 | b = [4, 5, 6, 7]
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---|
| 215 | c, d, *e, f, g = *a, *b
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| 216 |
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| 217 | assert_equal 1, c
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| 218 | assert_equal 2, d
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| 219 | assert_equal [3, 4, 5], e
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| 220 | assert_equal 6, f
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| 221 | assert_equal 7, g
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| 222 | end
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| 223 |
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| 224 | assert('Splat and multiple assignment in for') do
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| 225 | a = [1, 2, 3, 4, 5, 6, 7]
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---|
| 226 | for b, c, *d, e, f in [a] do
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| 227 | end
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| 228 |
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| 229 | assert_equal 1, b
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| 230 | assert_equal 2, c
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| 231 | assert_equal [3, 4, 5], d
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| 232 | assert_equal 6, e
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| 233 | assert_equal 7, f
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---|
| 234 | end
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| 235 |
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| 236 | assert('Splat without assignment') do
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| 237 | * = [0]
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| 238 | a, * = [1, 2]
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| 239 | assert_equal 1, a
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| 240 | end
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| 241 |
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| 242 | assert('multiple assignment (rest)') do
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| 243 | *a = 0
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| 244 | assert_equal [0], a
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---|
| 245 | end
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| 246 |
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| 247 | assert('multiple assignment (rest+post)') do
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| 248 | *a, b = 0, 1, 2
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| 249 | *c, d = 3
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---|
| 250 |
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---|
| 251 | assert_equal [0, 1], a
|
---|
| 252 | assert_equal 2, b
|
---|
| 253 | assert_equal [], c
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---|
| 254 | assert_equal 3, d
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---|
| 255 | end
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| 256 |
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---|
| 257 | assert('multiple assignment (nosplat array rhs)') do
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---|
| 258 | a, *b = []
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---|
| 259 | *c, d = [0]
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---|
| 260 | e, *f, g = [1, 2]
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| 261 |
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---|
| 262 | assert_nil a
|
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| 263 | assert_equal [], b
|
---|
| 264 | assert_equal [], c
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| 265 | assert_equal 0, d
|
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| 266 | assert_equal 1, e
|
---|
| 267 | assert_equal [], f
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---|
| 268 | assert_equal 2, g
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---|
| 269 | end
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| 270 |
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[331] | 271 | assert('multiple assignment (empty array rhs #3236, #3239)') do
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| 272 | a,b,*c = []; assert_equal [nil, nil, []], [a, b, c]
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| 273 | a,b,*c = [1]; assert_equal [1, nil, []], [a, b, c]
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| 274 | a,b,*c = [nil]; assert_equal [nil,nil, []], [a, b, c]
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| 275 | a,b,*c = [[]]; assert_equal [[], nil, []], [a, b, c]
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| 276 | end
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| 277 |
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[270] | 278 | assert('Return values of case statements') do
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| 279 | a = [] << case 1
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---|
| 280 | when 3 then 2
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| 281 | when 2 then 2
|
---|
| 282 | when 1 then 2
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| 283 | end
|
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| 284 |
|
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| 285 | b = [] << case 1
|
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| 286 | when 2 then 2
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| 287 | else
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| 288 | end
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| 289 |
|
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| 290 | def fb
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| 291 | n = 0
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| 292 | Proc.new do
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| 293 | n += 1
|
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| 294 | case
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| 295 | when n % 15 == 0
|
---|
| 296 | else n
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---|
| 297 | end
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---|
| 298 | end
|
---|
| 299 | end
|
---|
| 300 |
|
---|
| 301 | assert_equal [2], a
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| 302 | assert_equal [nil], b
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---|
| 303 | assert_equal 1, fb.call
|
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| 304 | end
|
---|
| 305 |
|
---|
| 306 | assert('Return values of if and case statements') do
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| 307 | true_clause_value =
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| 308 | if true
|
---|
| 309 | 1
|
---|
| 310 | else
|
---|
| 311 | case 2
|
---|
| 312 | when 3
|
---|
| 313 | end
|
---|
| 314 | 4
|
---|
| 315 | end
|
---|
| 316 |
|
---|
| 317 | assert_equal 1, true_clause_value
|
---|
| 318 | end
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| 319 |
|
---|
| 320 | assert('Return values of no expression case statement') do
|
---|
| 321 | when_value =
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| 322 | case
|
---|
| 323 | when true
|
---|
| 324 | 1
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---|
| 325 | end
|
---|
| 326 |
|
---|
| 327 | assert_equal 1, when_value
|
---|
| 328 | end
|
---|
| 329 |
|
---|
[331] | 330 | assert('splat object in assignment') do
|
---|
| 331 | o = Object.new
|
---|
| 332 | def o.to_a
|
---|
| 333 | nil
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---|
| 334 | end
|
---|
| 335 | assert_equal [o], (a = *o)
|
---|
| 336 |
|
---|
| 337 | def o.to_a
|
---|
| 338 | 1
|
---|
| 339 | end
|
---|
| 340 | assert_raise(TypeError) { a = *o }
|
---|
| 341 |
|
---|
| 342 | def o.to_a
|
---|
| 343 | [2]
|
---|
| 344 | end
|
---|
| 345 | assert_equal [2], (a = *o)
|
---|
| 346 | end
|
---|
| 347 |
|
---|
| 348 | assert('splat object in case statement') do
|
---|
| 349 | o = Object.new
|
---|
| 350 | def o.to_a
|
---|
| 351 | nil
|
---|
| 352 | end
|
---|
| 353 | a = case o
|
---|
| 354 | when *o
|
---|
| 355 | 1
|
---|
| 356 | end
|
---|
| 357 | assert_equal 1, a
|
---|
| 358 | end
|
---|
| 359 |
|
---|
[270] | 360 | assert('splat in case statement') do
|
---|
| 361 | values = [3,5,1,7,8]
|
---|
| 362 | testa = [1,2,7]
|
---|
| 363 | testb = [5,6]
|
---|
| 364 | resulta = []
|
---|
| 365 | resultb = []
|
---|
| 366 | resultc = []
|
---|
| 367 | values.each do |value|
|
---|
| 368 | case value
|
---|
| 369 | when *testa
|
---|
| 370 | resulta << value
|
---|
| 371 | when *testb
|
---|
| 372 | resultb << value
|
---|
| 373 | else
|
---|
| 374 | resultc << value
|
---|
| 375 | end
|
---|
| 376 | end
|
---|
| 377 |
|
---|
| 378 | assert_equal [1,7], resulta
|
---|
| 379 | assert_equal [5], resultb
|
---|
| 380 | assert_equal [3,8], resultc
|
---|
| 381 | end
|
---|
| 382 |
|
---|
| 383 | assert('External command execution.') do
|
---|
[331] | 384 | module Kernel
|
---|
[270] | 385 | sym = '`'.to_sym
|
---|
| 386 | alias_method :old_cmd, sym
|
---|
| 387 |
|
---|
| 388 | results = []
|
---|
| 389 | define_method(sym) do |str|
|
---|
| 390 | results.push str
|
---|
| 391 | str
|
---|
| 392 | end
|
---|
| 393 |
|
---|
| 394 | `test` # NOVAL NODE_XSTR
|
---|
| 395 | `test dynamic #{sym}` # NOVAL NODE_DXSTR
|
---|
| 396 | assert_equal ['test', 'test dynamic `'], results
|
---|
| 397 |
|
---|
| 398 | t = `test` # VAL NODE_XSTR
|
---|
| 399 | assert_equal 'test', t
|
---|
| 400 | assert_equal ['test', 'test dynamic `', 'test'], results
|
---|
| 401 |
|
---|
| 402 | t = `test dynamic #{sym}` # VAL NODE_DXSTR
|
---|
| 403 | assert_equal 'test dynamic `', t
|
---|
| 404 | assert_equal ['test', 'test dynamic `', 'test', 'test dynamic `'], results
|
---|
| 405 |
|
---|
[439] | 406 | results = []
|
---|
| 407 | assert_equal 'test sym test sym test', `test #{:sym} test #{:sym} test`
|
---|
| 408 |
|
---|
[270] | 409 | alias_method sym, :old_cmd
|
---|
| 410 | end
|
---|
| 411 | true
|
---|
| 412 | end
|
---|
| 413 |
|
---|
| 414 | assert('parenthesed do-block in cmdarg') do
|
---|
| 415 | class ParenDoBlockCmdArg
|
---|
| 416 | def test(block)
|
---|
| 417 | block.call
|
---|
| 418 | end
|
---|
| 419 | end
|
---|
| 420 | x = ParenDoBlockCmdArg.new
|
---|
| 421 | result = x.test (Proc.new do :ok; end)
|
---|
| 422 | assert_equal :ok, result
|
---|
| 423 | end
|
---|
| 424 |
|
---|
| 425 | assert('method definition in cmdarg') do
|
---|
[439] | 426 | result = class MethodDefinitionInCmdarg
|
---|
| 427 | def self.bar(arg); arg end
|
---|
[270] | 428 | bar def foo; self.each do end end
|
---|
| 429 | end
|
---|
[439] | 430 | assert_equal(:foo, result)
|
---|
[270] | 431 | end
|
---|
| 432 |
|
---|
| 433 | assert('optional argument in the rhs default expressions') do
|
---|
| 434 | class OptArgInRHS
|
---|
| 435 | def foo
|
---|
| 436 | "method called"
|
---|
| 437 | end
|
---|
| 438 | def t(foo = foo)
|
---|
| 439 | foo
|
---|
| 440 | end
|
---|
| 441 | def t2(foo = foo())
|
---|
| 442 | foo
|
---|
| 443 | end
|
---|
| 444 | end
|
---|
| 445 | o = OptArgInRHS.new
|
---|
| 446 | assert_nil(o.t)
|
---|
| 447 | assert_equal("method called", o.t2)
|
---|
| 448 | end
|
---|
| 449 |
|
---|
| 450 | assert('optional block argument in the rhs default expressions') do
|
---|
| 451 | assert_nil(Proc.new {|foo = foo| foo}.call)
|
---|
| 452 | end
|
---|
| 453 |
|
---|
[439] | 454 | assert('local variable definition in default value and subsequent arguments') do
|
---|
| 455 | def m(a = b = 1, c) [a, b, c] end
|
---|
| 456 | assert_equal([1, 1, :c], m(:c))
|
---|
| 457 | assert_equal([:a, nil, :c], m(:a, :c))
|
---|
| 458 |
|
---|
| 459 | def m(a = b = 1, &c) [a, b, c ? true : nil] end
|
---|
| 460 | assert_equal([1, 1, nil], m)
|
---|
| 461 | assert_equal([1, 1, true], m{})
|
---|
| 462 | assert_equal([:a, nil, nil], m(:a))
|
---|
| 463 | assert_equal([:a, nil, true], m(:a){})
|
---|
| 464 | end
|
---|
| 465 |
|
---|
[270] | 466 | assert('multiline comments work correctly') do
|
---|
| 467 | =begin
|
---|
| 468 | this is a comment with nothing after begin and end
|
---|
| 469 | =end
|
---|
[439] | 470 | =begin this is a comment
|
---|
[270] | 471 | this is a comment with extra after =begin
|
---|
| 472 | =end
|
---|
| 473 | =begin
|
---|
| 474 | this is a comment that has =end with spaces after it
|
---|
[439] | 475 | =end
|
---|
[270] | 476 | =begin this is a comment
|
---|
| 477 | this is a comment that has extra after =begin and =end with spaces after it
|
---|
[439] | 478 | =end
|
---|
[270] | 479 | line = __LINE__
|
---|
| 480 | =begin this is a comment
|
---|
| 481 | this is a comment that has extra after =begin and =end with tabs after it
|
---|
| 482 | =end xxxxxxxxxxxxxxxxxxxxxxxxxx
|
---|
| 483 | assert_equal(line + 4, __LINE__)
|
---|
| 484 | end
|
---|
[439] | 485 |
|
---|
| 486 | assert 'keyword arguments' do
|
---|
| 487 | def m(a, b:1) [a, b] end
|
---|
| 488 | assert_equal [1, 1], m(1)
|
---|
| 489 | assert_equal [1, 2], m(1, b: 2)
|
---|
| 490 |
|
---|
| 491 | def m(a, b:) [a, b] end
|
---|
| 492 | assert_equal [1, 2], m(1, b: 2)
|
---|
| 493 | assert_raise(ArgumentError) { m b: 1 }
|
---|
| 494 | assert_raise(ArgumentError) { m 1 }
|
---|
| 495 |
|
---|
| 496 | def m(a:) a end
|
---|
| 497 | assert_equal 1, m(a: 1)
|
---|
| 498 | assert_raise(ArgumentError) { m }
|
---|
| 499 | assert_raise(ArgumentError) { m 'a' => 1, a: 1 }
|
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| 500 | h = { a: 1 }
|
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| 501 | assert_equal 1, m(h)
|
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| 502 | assert_equal({ a: 1 }, h)
|
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| 503 |
|
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| 504 | def m(a: 1) a end
|
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| 505 | assert_equal 1, m
|
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| 506 | assert_equal 2, m(a: 2)
|
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| 507 | assert_raise(ArgumentError) { m 1 }
|
---|
| 508 |
|
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| 509 | def m(**) end
|
---|
| 510 | assert_nil m
|
---|
| 511 | assert_nil m a: 1, b: 2
|
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| 512 | assert_raise(ArgumentError) { m 2 }
|
---|
| 513 |
|
---|
| 514 | def m(a, **) a end
|
---|
| 515 | assert_equal 1, m(1)
|
---|
| 516 | assert_equal 1, m(1, a: 2, b: 3)
|
---|
| 517 | assert_equal({ 'a' => 1, b: 2 }, m('a' => 1, b: 2))
|
---|
| 518 |
|
---|
| 519 | def m(a, **k) [a, k] end
|
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| 520 | assert_equal [1, {}], m(1)
|
---|
| 521 | assert_equal [1, {a: 2, b: 3}], m(1, a: 2, b: 3)
|
---|
| 522 | assert_equal [{'a' => 1, b: 2}, {}], m('a' => 1, b: 2)
|
---|
| 523 |
|
---|
| 524 | def m(a=1, **) a end
|
---|
| 525 | assert_equal 1, m
|
---|
| 526 | assert_equal 2, m(2, a: 1, b: 0)
|
---|
| 527 | assert_raise(ArgumentError) { m('a' => 1, a: 2) }
|
---|
| 528 |
|
---|
| 529 | def m(a=1, **k) [a, k] end
|
---|
| 530 | assert_equal [1, {}], m
|
---|
| 531 | assert_equal [1, {a: 1}], m(a: 1)
|
---|
| 532 | assert_equal [2, {a: 1, b: 2}], m(2, a: 1, b: 2)
|
---|
| 533 | assert_equal [{a: 1}, {b: 2}], m({a: 1}, {b: 2})
|
---|
| 534 |
|
---|
| 535 | def m(*, a:) a end
|
---|
| 536 | assert_equal 1, m(a: 1)
|
---|
| 537 | assert_equal 3, m(1, 2, a: 3)
|
---|
| 538 | assert_raise(ArgumentError) { m('a' => 1, a: 2) }
|
---|
| 539 |
|
---|
| 540 | def m(*a, b:) [a, b] end
|
---|
| 541 | assert_equal [[], 1], m(b: 1)
|
---|
| 542 | assert_equal [[1, 2], 3], m(1, 2, b: 3)
|
---|
| 543 | assert_raise(ArgumentError) { m('a' => 1, b: 2) }
|
---|
| 544 |
|
---|
| 545 | def m(*a, b: 1) [a, b] end
|
---|
| 546 | assert_equal [[], 1], m
|
---|
| 547 | assert_equal [[1, 2, 3], 4], m(1, 2, 3, b: 4)
|
---|
| 548 | assert_raise(ArgumentError) { m('a' => 1, b: 2) }
|
---|
| 549 |
|
---|
| 550 | def m(*, **) end
|
---|
| 551 | assert_nil m()
|
---|
| 552 | assert_nil m(a: 1, b: 2)
|
---|
| 553 | assert_nil m(1, 2, 3, a: 4, b: 5)
|
---|
| 554 |
|
---|
| 555 | def m(*a, **) a end
|
---|
| 556 | assert_equal [], m()
|
---|
| 557 | assert_equal [1, 2, 3], m(1, 2, 3, a: 4, b: 5)
|
---|
| 558 | assert_raise(ArgumentError) { m("a" => 1, a: 1) }
|
---|
| 559 | assert_equal [1], m(1, **{a: 2})
|
---|
| 560 |
|
---|
| 561 | def m(*, **k) k end
|
---|
| 562 | assert_equal({}, m())
|
---|
| 563 | assert_equal({a: 4, b: 5}, m(1, 2, 3, a: 4, b: 5))
|
---|
| 564 | assert_raise(ArgumentError) { m("a" => 1, a: 1) }
|
---|
| 565 |
|
---|
| 566 | def m(a = nil, b = nil, **k) [a, k] end
|
---|
| 567 | assert_equal [nil, {}], m()
|
---|
| 568 | assert_equal([nil, {a: 1}], m(a: 1))
|
---|
| 569 | assert_raise(ArgumentError) { m("a" => 1, a: 1) }
|
---|
| 570 | assert_equal([{"a" => 1}, {a: 1}], m({ "a" => 1 }, a: 1))
|
---|
| 571 | assert_equal([{a: 1}, {}], m({a: 1}, {}))
|
---|
| 572 | assert_equal([nil, {}], m({}))
|
---|
| 573 |
|
---|
| 574 | def m(*a, **k) [a, k] end
|
---|
| 575 | assert_equal([[], {}], m())
|
---|
| 576 | assert_equal([[1], {}], m(1))
|
---|
| 577 | assert_equal([[], {a: 1, b: 2}], m(a: 1, b: 2))
|
---|
| 578 | assert_equal([[1, 2, 3], {a: 2}], m(1, 2, 3, a: 2))
|
---|
| 579 | assert_raise(ArgumentError) { m("a" => 1, a: 1) }
|
---|
| 580 | assert_raise(ArgumentError) { m("a" => 1) }
|
---|
| 581 | assert_equal([[], {a: 1}], m(a: 1))
|
---|
| 582 | assert_raise(ArgumentError) { m("a" => 1, a: 1) }
|
---|
| 583 | assert_equal([[{"a" => 1}], {a: 1}], m({ "a" => 1 }, a: 1))
|
---|
| 584 | assert_equal([[{a: 1}], {}], m({a: 1}, {}))
|
---|
| 585 | assert_raise(ArgumentError) { m({a: 1}, {"a" => 1}) }
|
---|
| 586 |
|
---|
| 587 | def m(a:, b:) [a, b] end
|
---|
| 588 | assert_equal([1, 2], m(a: 1, b: 2))
|
---|
| 589 | assert_raise(ArgumentError) { m("a" => 1, a: 1, b: 2) }
|
---|
| 590 |
|
---|
| 591 | def m(a:, b: 1) [a, b] end
|
---|
| 592 | assert_equal([1, 1], m(a: 1))
|
---|
| 593 | assert_equal([1, 2], m(a: 1, b: 2))
|
---|
| 594 | assert_raise(ArgumentError) { m("a" => 1, a: 1, b: 2) }
|
---|
| 595 |
|
---|
| 596 | def m(a:, **) a end
|
---|
| 597 | assert_equal(1, m(a: 1))
|
---|
| 598 | assert_equal(1, m(a: 1, b: 2))
|
---|
| 599 | assert_raise(ArgumentError) { m("a" => 1, a: 1, b: 2) }
|
---|
| 600 |
|
---|
| 601 | def m(a:, **k) [a, k] end
|
---|
| 602 | assert_equal([1, {}], m(a: 1))
|
---|
| 603 | assert_equal([1, {b: 2, c: 3}], m(a: 1, b: 2, c: 3))
|
---|
| 604 | assert_raise(ArgumentError) { m("a" => 1, a: 1, b: 2) }
|
---|
| 605 |
|
---|
| 606 | =begin
|
---|
| 607 | def m(a:, &b) [a, b] end
|
---|
| 608 | assert_equal([1, nil], m(a: 1))
|
---|
| 609 | assert_equal([1, l], m(a: 1, &(l = ->{})))
|
---|
| 610 | =end
|
---|
| 611 |
|
---|
| 612 | def m(a: 1, b:) [a, b] end
|
---|
| 613 | assert_equal([1, 0], m(b: 0))
|
---|
| 614 | assert_equal([3, 2], m(b: 2, a: 3))
|
---|
| 615 | assert_raise(ArgumentError) { m a: 1 }
|
---|
| 616 |
|
---|
| 617 | def m(a: def m(a: 1) a end, b:)
|
---|
| 618 | [a, b]
|
---|
| 619 | end
|
---|
| 620 | assert_equal([2, 3], m(a: 2, b: 3))
|
---|
| 621 | assert_equal([:m, 1], m(b: 1))
|
---|
| 622 | # Note the default value of a: in the original method.
|
---|
| 623 | assert_equal(1, m())
|
---|
| 624 |
|
---|
| 625 | def m(a: 1, b: 2) [a, b] end
|
---|
| 626 | assert_equal([1, 2], m())
|
---|
| 627 | assert_equal([4, 3], m(b: 3, a: 4))
|
---|
| 628 |
|
---|
| 629 | def m(a: 1, **) a end
|
---|
| 630 | assert_equal(1, m())
|
---|
| 631 | assert_equal(2, m(a: 2, b: 1))
|
---|
| 632 |
|
---|
| 633 | def m(a: 1, **k) [a, k] end
|
---|
| 634 | assert_equal([1, {b: 2, c: 3}], m(b: 2, c: 3))
|
---|
| 635 |
|
---|
| 636 | def m(a:, **) yield end
|
---|
| 637 | assert_raise(ArgumentError) { m { :blk } }
|
---|
| 638 | assert_equal :blk, m(a: 1){ :blk }
|
---|
| 639 |
|
---|
| 640 | def m(a:, **k, &b) [b.call, k] end
|
---|
| 641 | assert_raise(ArgumentError) { m { :blk } }
|
---|
| 642 | assert_equal [:blk, {b: 2}], m(a: 1, b: 2){ :blk }
|
---|
| 643 |
|
---|
| 644 | def m(**k, &b) [k, b] end
|
---|
| 645 | assert_equal([{ a: 1, b: 2}, nil], m(a: 1, b: 2))
|
---|
| 646 | assert_equal :blk, m{ :blk }[1].call
|
---|
| 647 |
|
---|
| 648 | def m(hsh = {}) hsh end
|
---|
| 649 | assert_equal({ a: 1, b: 2 }, m(a: 1, b: 2))
|
---|
| 650 | assert_equal({ a: 1, 'b' => 2 }, m(a: 1, 'b' => 2))
|
---|
| 651 |
|
---|
| 652 | def m(hsh) hsh end
|
---|
| 653 | assert_equal({ a: 1, b: 2 }, m(a: 1, b: 2))
|
---|
| 654 | assert_equal({ a: 1, 'b' => 2 }, m(a: 1, 'b' => 2))
|
---|
| 655 |
|
---|
| 656 | =begin
|
---|
| 657 | def m(a, b=1, *c, (*d, (e)), f: 2, g:, h:, **k, &l)
|
---|
| 658 | [a, b, c, d, e, f, g, h, k, l]
|
---|
| 659 | end
|
---|
| 660 | result = m(9, 8, 7, 6, f: 5, g: 4, h: 3, &(l = ->{}))
|
---|
| 661 | assert_equal([9, 8, [7], [], 6, 5, 4, 3, {}, l], result)
|
---|
| 662 |
|
---|
| 663 | def m a, b=1, *c, d, e:, f: 2, g:, **k, &l
|
---|
| 664 | [a, b, c, d, e, f, g, k, l]
|
---|
| 665 | end
|
---|
| 666 | result = m(1, 2, e: 3, g: 4, h: 5, i: 6, &(l = ->{}))
|
---|
| 667 | assert_equal([1, 1, [], 2, 3, 2, 4, { h: 5, i: 6 }, l], result)
|
---|
| 668 | =end
|
---|
| 669 |
|
---|
| 670 | def m(a: b = 1, c:) [a, b, c] end
|
---|
| 671 | assert_equal([1, 1, :c], m(c: :c))
|
---|
| 672 | assert_equal([:a, nil, :c], m(a: :a, c: :c))
|
---|
| 673 | end
|
---|
| 674 |
|
---|
| 675 | assert('numbered parameters') do
|
---|
| 676 | assert_equal(15, [1,2,3,4,5].reduce {_1+_2})
|
---|
| 677 | assert_equal(45, Proc.new do _1 + _2 + _3 + _4 + _5 + _6 + _7 + _8 + _9 end.call(*[1, 2, 3, 4, 5, 6, 7, 8, 9]))
|
---|
| 678 | end
|
---|
| 679 |
|
---|
| 680 | assert('_0 is not numbered parameter') do
|
---|
| 681 | _0 = :l
|
---|
| 682 | assert_equal(:l, ->{_0}.call)
|
---|
| 683 | end
|
---|