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
|
require 'test/unit'
require 'thread'
class TestBacktrace < Test::Unit::TestCase
def test_exception
bt = Fiber.new{
begin
raise
rescue => e
e.backtrace
end
}.resume
assert_equal(1, bt.size)
assert_match(/.+:\d+:.+/, bt[0])
end
def helper_test_exception_backtrace_locations
raise
end
def test_exception_backtrace_locations
backtrace, backtrace_locations = Fiber.new{
begin
raise
rescue => e
[e.backtrace, e.backtrace_locations]
end
}.resume
assert_equal(backtrace, backtrace_locations.map{|e| e.to_s})
backtrace, backtrace_locations = Fiber.new{
begin
begin
helper_test_exception_backtrace_locations
rescue
raise
end
rescue => e
[e.backtrace, e.backtrace_locations]
end
}.resume
assert_equal(backtrace, backtrace_locations.map{|e| e.to_s})
end
def call_helper_test_exception_backtrace_locations
helper_test_exception_backtrace_locations(:bad_argument)
end
def test_argument_error_backtrace_locations
backtrace, backtrace_locations = Fiber.new{
begin
helper_test_exception_backtrace_locations(1)
rescue ArgumentError => e
[e.backtrace, e.backtrace_locations]
end
}.resume
assert_equal(backtrace, backtrace_locations.map{|e| e.to_s})
backtrace, backtrace_locations = Fiber.new{
begin
call_helper_test_exception_backtrace_locations
rescue ArgumentError => e
[e.backtrace, e.backtrace_locations]
end
}.resume
assert_equal(backtrace, backtrace_locations.map{|e| e.to_s})
end
def test_caller_lev
cs = []
Fiber.new{
Proc.new{
cs << caller(0)
cs << caller(1)
cs << caller(2)
cs << caller(3)
cs << caller(4)
cs << caller(5)
}.call
}.resume
assert_equal(3, cs[0].size)
assert_equal(2, cs[1].size)
assert_equal(1, cs[2].size)
assert_equal(0, cs[3].size)
assert_equal(nil, cs[4])
#
max = 7
rec = lambda{|n|
if n > 0
1.times{
rec[n-1]
}
else
(max*3).times{|i|
total_size = caller(0).size
c = caller(i)
if c
assert_equal(total_size - i, caller(i).size, "[ruby-dev:45673]")
end
}
end
}
Fiber.new{
rec[max]
}.resume
end
def test_caller_lev_and_n
m = 10
rec = lambda{|n|
if n < 0
(m*6).times{|lev|
(m*6).times{|i|
t = caller(0).size
r = caller(lev, i)
r = r.size if r.respond_to? :size
# STDERR.puts [t, lev, i, r].inspect
if i == 0
assert_equal(0, r, [t, lev, i, r].inspect)
elsif t < lev
assert_equal(nil, r, [t, lev, i, r].inspect)
else
if t - lev > i
assert_equal(i, r, [t, lev, i, r].inspect)
else
assert_equal(t - lev, r, [t, lev, i, r].inspect)
end
end
}
}
else
rec[n-1]
end
}
rec[m]
end
def test_caller_with_nil_length
assert_equal caller(0), caller(0, nil)
end
def test_caller_locations
cs = caller(0); locs = caller_locations(0).map{|loc|
loc.to_s
}
assert_equal(cs, locs)
end
def test_caller_locations_with_range
cs = caller(0,2); locs = caller_locations(0..1).map { |loc|
loc.to_s
}
assert_equal(cs, locs)
end
def test_caller_locations_to_s_inspect
cs = caller(0); locs = caller_locations(0)
cs.zip(locs){|str, loc|
assert_equal(str, loc.to_s)
assert_equal(str.inspect, loc.inspect)
}
end
def th_rec q, n=10
if n > 1
th_rec q, n-1
else
q.pop
end
end
def test_thread_backtrace
begin
q = Queue.new
th = Thread.new{
th_rec q
}
sleep 0.5
th_backtrace = th.backtrace
th_locations = th.backtrace_locations
assert_equal(10, th_backtrace.count{|e| e =~ /th_rec/})
assert_equal(th_backtrace, th_locations.map{|e| e.to_s})
assert_equal(th_backtrace, th.backtrace(0))
assert_equal(th_locations.map{|e| e.to_s},
th.backtrace_locations(0).map{|e| e.to_s})
th_backtrace.size.times{|n|
assert_equal(n, th.backtrace(0, n).size)
assert_equal(n, th.backtrace_locations(0, n).size)
}
n = th_backtrace.size
assert_equal(n, th.backtrace(0, n + 1).size)
assert_equal(n, th.backtrace_locations(0, n + 1).size)
ensure
q << true
th.join
end
end
def test_thread_backtrace_locations_with_range
begin
q = Queue.new
th = Thread.new{
th_rec q
}
sleep 0.5
bt = th.backtrace(0,2)
locs = th.backtrace_locations(0..1).map { |loc|
loc.to_s
}
assert_equal(bt, locs)
ensure
q << true
th.join
end
end
def test_core_backtrace_alias
obj = BasicObject.new
e = assert_raise(NameError) do
class << obj
alias foo bar
end
end
assert_not_match(/\Acore#/, e.backtrace_locations[0].base_label)
end
def test_core_backtrace_undef
obj = BasicObject.new
e = assert_raise(NameError) do
class << obj
undef foo
end
end
assert_not_match(/\Acore#/, e.backtrace_locations[0].base_label)
end
def test_core_backtrace_hash_merge
e = assert_raise(TypeError) do
{**nil}
end
assert_not_match(/\Acore#/, e.backtrace_locations[0].base_label)
end
end
|
