1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
|
require 'test/unit'
require_relative 'envutil'
class TestKeywordArguments < Test::Unit::TestCase
def f1(str: "foo", num: 424242)
[str, num]
end
def test_f1
assert_equal(["foo", 424242], f1)
assert_equal(["bar", 424242], f1(str: "bar"))
assert_equal(["foo", 111111], f1(num: 111111))
assert_equal(["bar", 111111], f1(str: "bar", num: 111111))
assert_raise(ArgumentError) { f1(str: "bar", check: true) }
assert_raise(ArgumentError) { f1("string") }
end
def f2(x, str: "foo", num: 424242)
[x, str, num]
end
def test_f2
assert_equal([:xyz, "foo", 424242], f2(:xyz))
assert_raise(ArgumentError) { f2({}) } # [ruby-dev:46712] [Bug #7529]
assert_equal([{"bar"=>42}, "foo", 424242], f2("bar"=>42))
end
def f3(str: "foo", num: 424242, **h)
[str, num, h]
end
def test_f3
assert_equal(["foo", 424242, {}], f3)
assert_equal(["bar", 424242, {}], f3(str: "bar"))
assert_equal(["foo", 111111, {}], f3(num: 111111))
assert_equal(["bar", 111111, {}], f3(str: "bar", num: 111111))
assert_equal(["bar", 424242, {:check=>true}], f3(str: "bar", check: true))
assert_raise(ArgumentError) { f3("string") }
end
define_method(:f4) {|str: "foo", num: 424242| [str, num] }
def test_f4
assert_equal(["foo", 424242], f4)
assert_equal(["bar", 424242], f4(str: "bar"))
assert_equal(["foo", 111111], f4(num: 111111))
assert_equal(["bar", 111111], f4(str: "bar", num: 111111))
assert_raise(ArgumentError) { f4(str: "bar", check: true) }
assert_raise(ArgumentError) { f4("string") }
end
define_method(:f5) {|str: "foo", num: 424242, **h| [str, num, h] }
def test_f5
assert_equal(["foo", 424242, {}], f5)
assert_equal(["bar", 424242, {}], f5(str: "bar"))
assert_equal(["foo", 111111, {}], f5(num: 111111))
assert_equal(["bar", 111111, {}], f5(str: "bar", num: 111111))
assert_equal(["bar", 424242, {:check=>true}], f5(str: "bar", check: true))
assert_raise(ArgumentError) { f5("string") }
end
def f6(str: "foo", num: 424242, **h, &blk)
[str, num, h, blk]
end
def test_f6 # [ruby-core:40518]
assert_equal(["foo", 424242, {}, nil], f6)
assert_equal(["bar", 424242, {}, nil], f6(str: "bar"))
assert_equal(["foo", 111111, {}, nil], f6(num: 111111))
assert_equal(["bar", 111111, {}, nil], f6(str: "bar", num: 111111))
assert_equal(["bar", 424242, {:check=>true}, nil], f6(str: "bar", check: true))
a = f6 {|x| x + 42 }
assert_equal(["foo", 424242, {}], a[0, 3])
assert_equal(43, a.last.call(1))
end
def f7(*r, str: "foo", num: 424242, **h)
[r, str, num, h]
end
def test_f7 # [ruby-core:41772]
assert_equal([[], "foo", 424242, {}], f7)
assert_equal([[], "bar", 424242, {}], f7(str: "bar"))
assert_equal([[], "foo", 111111, {}], f7(num: 111111))
assert_equal([[], "bar", 111111, {}], f7(str: "bar", num: 111111))
assert_equal([[1], "foo", 424242, {}], f7(1))
assert_equal([[1, 2], "foo", 424242, {}], f7(1, 2))
assert_equal([[1, 2, 3], "foo", 424242, {}], f7(1, 2, 3))
assert_equal([[1], "bar", 424242, {}], f7(1, str: "bar"))
assert_equal([[1, 2], "bar", 424242, {}], f7(1, 2, str: "bar"))
assert_equal([[1, 2, 3], "bar", 424242, {}], f7(1, 2, 3, str: "bar"))
end
define_method(:f8) { |opt = :ion, *rest, key: :word|
[opt, rest, key]
}
def test_f8
assert_equal([:ion, [], :word], f8)
assert_equal([1, [], :word], f8(1))
assert_equal([1, [2], :word], f8(1, 2))
end
def f9(r, o=42, *args, p, k: :key, **kw, &b)
[r, o, args, p, k, kw, b]
end
def test_f9
assert_equal([1, 42, [], 2, :key, {}, nil], f9(1, 2))
assert_equal([1, 2, [], 3, :key, {}, nil], f9(1, 2, 3))
assert_equal([1, 2, [3], 4, :key, {}, nil], f9(1, 2, 3, 4))
assert_equal([1, 2, [3, 4], 5, :key, {str: "bar"}, nil], f9(1, 2, 3, 4, 5, str: "bar"))
end
def test_method_parameters
assert_equal([[:key, :str], [:key, :num]], method(:f1).parameters);
assert_equal([[:req, :x], [:key, :str], [:key, :num]], method(:f2).parameters);
assert_equal([[:key, :str], [:key, :num], [:keyrest, :h]], method(:f3).parameters);
assert_equal([[:key, :str], [:key, :num]], method(:f4).parameters);
assert_equal([[:key, :str], [:key, :num], [:keyrest, :h]], method(:f5).parameters);
assert_equal([[:key, :str], [:key, :num], [:keyrest, :h], [:block, :blk]], method(:f6).parameters);
assert_equal([[:rest, :r], [:key, :str], [:key, :num], [:keyrest, :h]], method(:f7).parameters);
assert_equal([[:opt, :opt], [:rest, :rest], [:key, :key]], method(:f8).parameters) # [Bug #7540] [ruby-core:50735]
assert_equal([[:req, :r], [:opt, :o], [:rest, :args], [:req, :p], [:key, :k],
[:keyrest, :kw], [:block, :b]], method(:f9).parameters)
end
def test_lambda
f = ->(str: "foo", num: 424242) { [str, num] }
assert_equal(["foo", 424242], f[])
assert_equal(["bar", 424242], f[str: "bar"])
assert_equal(["foo", 111111], f[num: 111111])
assert_equal(["bar", 111111], f[str: "bar", num: 111111])
end
def p1
Proc.new do |str: "foo", num: 424242|
[str, num]
end
end
def test_p1
assert_equal(["foo", 424242], p1[])
assert_equal(["bar", 424242], p1[str: "bar"])
assert_equal(["foo", 111111], p1[num: 111111])
assert_equal(["bar", 111111], p1[str: "bar", num: 111111])
assert_raise(ArgumentError) { p1[str: "bar", check: true] }
assert_equal(["foo", 424242], p1["string"] )
end
def p2
Proc.new do |x, str: "foo", num: 424242|
[x, str, num]
end
end
def test_p2
assert_equal([nil, "foo", 424242], p2[])
assert_equal([:xyz, "foo", 424242], p2[:xyz])
end
def p3
Proc.new do |str: "foo", num: 424242, **h|
[str, num, h]
end
end
def test_p3
assert_equal(["foo", 424242, {}], p3[])
assert_equal(["bar", 424242, {}], p3[str: "bar"])
assert_equal(["foo", 111111, {}], p3[num: 111111])
assert_equal(["bar", 111111, {}], p3[str: "bar", num: 111111])
assert_equal(["bar", 424242, {:check=>true}], p3[str: "bar", check: true])
assert_equal(["foo", 424242, {}], p3["string"])
end
def p4
Proc.new do |str: "foo", num: 424242, **h, &blk|
[str, num, h, blk]
end
end
def test_p4
assert_equal(["foo", 424242, {}, nil], p4[])
assert_equal(["bar", 424242, {}, nil], p4[str: "bar"])
assert_equal(["foo", 111111, {}, nil], p4[num: 111111])
assert_equal(["bar", 111111, {}, nil], p4[str: "bar", num: 111111])
assert_equal(["bar", 424242, {:check=>true}, nil], p4[str: "bar", check: true])
a = p4.call {|x| x + 42 }
assert_equal(["foo", 424242, {}], a[0, 3])
assert_equal(43, a.last.call(1))
end
def p5
Proc.new do |*r, str: "foo", num: 424242, **h|
[r, str, num, h]
end
end
def test_p5
assert_equal([[], "foo", 424242, {}], p5[])
assert_equal([[], "bar", 424242, {}], p5[str: "bar"])
assert_equal([[], "foo", 111111, {}], p5[num: 111111])
assert_equal([[], "bar", 111111, {}], p5[str: "bar", num: 111111])
assert_equal([[1], "foo", 424242, {}], p5[1])
assert_equal([[1, 2], "foo", 424242, {}], p5[1, 2])
assert_equal([[1, 2, 3], "foo", 424242, {}], p5[1, 2, 3])
assert_equal([[1], "bar", 424242, {}], p5[1, str: "bar"])
assert_equal([[1, 2], "bar", 424242, {}], p5[1, 2, str: "bar"])
assert_equal([[1, 2, 3], "bar", 424242, {}], p5[1, 2, 3, str: "bar"])
end
def p6
Proc.new do |o1, o2=42, *args, p, k: :key, **kw, &b|
[o1, o2, args, p, k, kw, b]
end
end
def test_p6
assert_equal([nil, 42, [], nil, :key, {}, nil], p6[])
assert_equal([1, 42, [], 2, :key, {}, nil], p6[1, 2])
assert_equal([1, 2, [], 3, :key, {}, nil], p6[1, 2, 3])
assert_equal([1, 2, [3], 4, :key, {}, nil], p6[1, 2, 3, 4])
assert_equal([1, 2, [3, 4], 5, :key, {str: "bar"}, nil], p6[1, 2, 3, 4, 5, str: "bar"])
end
def test_proc_parameters
assert_equal([[:key, :str], [:key, :num]], p1.parameters);
assert_equal([[:opt, :x], [:key, :str], [:key, :num]], p2.parameters);
assert_equal([[:key, :str], [:key, :num], [:keyrest, :h]], p3.parameters);
assert_equal([[:key, :str], [:key, :num], [:keyrest, :h], [:block, :blk]], p4.parameters);
assert_equal([[:rest, :r], [:key, :str], [:key, :num], [:keyrest, :h]], p5.parameters);
assert_equal([[:opt, :o1], [:opt, :o2], [:rest, :args], [:opt, :p], [:key, :k],
[:keyrest, :kw], [:block, :b]], p6.parameters)
end
def m1(*args)
yield(*args)
end
def test_block
blk = Proc.new {|str: "foo", num: 424242| [str, num] }
assert_equal(["foo", 424242], m1(&blk))
assert_equal(["bar", 424242], m1(str: "bar", &blk))
assert_equal(["foo", 111111], m1(num: 111111, &blk))
assert_equal(["bar", 111111], m1(str: "bar", num: 111111, &blk))
end
def rest_keyrest(*args, **opt)
return *args, opt
end
def test_rest_keyrest
bug7665 = '[ruby-core:51278]'
expect = [*%w[foo bar], {zzz: 42}]
assert_equal(expect, rest_keyrest(*expect), bug7665)
assert_equal(expect, proc {|*args, **opt| next *args, opt}.call(*expect), bug7665)
end
def test_bare_kwrest
# valid syntax, but its semantics is undefined
assert_valid_syntax("def bug7662(**) end")
assert_valid_syntax("def bug7662(*, **) end")
assert_valid_syntax("def bug7662(a, **) end")
end
def test_without_paren
bug7942 = '[ruby-core:52820] [Bug #7942]'
assert_valid_syntax("def bug7942 a: 1; end")
assert_valid_syntax("def bug7942 a: 1, **; end")
o = Object.new
eval("def o.bug7942 a: 1; a; end", nil, __FILE__, __LINE__)
assert_equal(1, o.bug7942(), bug7942)
assert_equal(42, o.bug7942(a: 42), bug7942)
o = Object.new
eval("def o.bug7942 a: 1, **; a; end", nil, __FILE__, __LINE__)
assert_equal(1, o.bug7942(), bug7942)
assert_equal(42, o.bug7942(a: 42), bug7942)
end
def test_required_keyword
feature7701 = '[ruby-core:51454] [Feature #7701] required keyword argument'
o = Object.new
assert_nothing_raised(SyntaxError, feature7701) do
eval("def o.foo(a:) a; end")
eval("def o.bar(a:,**b) [a, b]; end")
end
assert_raise(ArgumentError, feature7701) {o.foo}
assert_equal(42, o.foo(a: 42), feature7701)
assert_equal([[:keyreq, :a]], o.method(:foo).parameters, feature7701)
bug8139 = '[ruby-core:53608] [Bug #8139] required keyword argument with rest hash'
assert_equal([42, {}], o.bar(a: 42), feature7701)
assert_equal([[:keyreq, :a], [:keyrest, :b]], o.method(:bar).parameters, feature7701)
assert_raise(ArgumentError, bug8139) {o.bar(c: bug8139)}
assert_raise(ArgumentError, bug8139) {o.bar}
end
def test_block_required_keyword
feature7701 = '[ruby-core:51454] [Feature #7701] required keyword argument'
b = assert_nothing_raised(SyntaxError, feature7701) do
break eval("proc {|a:| a}")
end
assert_raise(ArgumentError, feature7701) {b.call}
assert_equal(42, b.call(a: 42), feature7701)
assert_equal([[:keyreq, :a]], b.parameters, feature7701)
bug8139 = '[ruby-core:53608] [Bug #8139] required keyword argument with rest hash'
b = assert_nothing_raised(SyntaxError, feature7701) do
break eval("proc {|a:, **b| [a, b]}")
end
assert_equal([42, {}], b.call(a: 42), feature7701)
assert_equal([[:keyreq, :a], [:keyrest, :b]], b.parameters, feature7701)
assert_raise(ArgumentError, bug8139) {b.call(c: bug8139)}
assert_raise(ArgumentError, bug8139) {b.call}
end
def test_super_with_keyword
bug8236 = '[ruby-core:54094] [Bug #8236]'
base = Class.new do
def foo(*args)
args
end
end
a = Class.new(base) do
def foo(arg, bar: 'x')
super
end
end
b = Class.new(base) do
def foo(*args, bar: 'x')
super
end
end
assert_equal([42, {:bar=>"x"}], a.new.foo(42), bug8236)
assert_equal([42, {:bar=>"x"}], b.new.foo(42), bug8236)
end
end
|