yarvtest/test_thread.rb


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


require 'yarvtest/yarvtest'

class TestThread < YarvTestBase
  def test_create
    ae %q{
      Thread.new{
      }.join
      :ok
    }
    ae %q{
      Thread.new{
        :ok
      }.value
    }
  end

  def test_create_many_threads1
    ae %q{
      v = 0
      (1..200).map{|i|
        Thread.new{
          i
        }
      }.each{|t|
        v += t.value
      }
      v
    }
  end

  def test_create_many_threads2
    ae %q{
      5000.times{|e|
        (1..2).map{
          Thread.new{
          }
        }.each{|e|
          e.join
        }
      }
    }
  end

  def test_create_many_threads3
    ae %q{
      5000.times{
        t = Thread.new{}
        while t.alive?
          Thread.pass
        end
      }
    }
  end

  def test_create_many_threads4
    ae %q{
      100.times{
        Thread.new{loop{Thread.pass}}
      }
    }
  end

  def test_raise
    ae %q{
      t = Thread.new{
        sleep
      }
      sleep 0.1
      t.raise
      begin
        t.join
        :ng
      rescue
        :ok
      end
    }
    ae %q{
      t = Thread.new{
        loop{}
      }
      Thread.pass
      t.raise
      begin
        t.join
        :ng
      rescue
        :ok
      end
    }
    ae %q{
      t = Thread.new{
      }
      Thread.pass
      t.join
      t.raise # raise to exited thread
      begin
        t.join
        :ok
      rescue
        :ng
      end
    }
  end

  def test_status
    ae %q{
      t = Thread.new{
        loop{}
      }
      st = t.status
      t.kill
      st
    }
    ae %q{
      t = Thread.new{
        sleep
      }
      sleep 0.1
      st = t.status
      t.kill
      st
    }
    ae %q{
      t = Thread.new{
      }
      t.kill
      sleep 0.1
      t.status
    }
  end

  def test_tlv
    ae %q{
      Thread.current[:a] = 1
      Thread.new{
        Thread.current[:a] = 10
        Thread.pass
        Thread.current[:a]
      }.value + Thread.current[:a]
    }
  end

  def test_thread_group
    ae %q{
      ptg = Thread.current.group
      Thread.new{
        ctg = Thread.current.group
        [ctg.class, ctg == ptg]
      }.value
    }
    ae %q{
      thg = ThreadGroup.new

      t = Thread.new{
        thg.add Thread.current
        sleep
      }
      sleep 0.1
      [thg.list.size, ThreadGroup::Default.list.size]
    }
  end

  def test_thread_local_svar
    ae %q{
      /a/ =~ 'a'
      $a = $~
      Thread.new{
        $b = $~
        /a/ =~ 'a'
        $c = $~
      }
      $d = $~
      [$a == $d, $b, $c != $d]
    }
  end

  def test_join
    ae %q{
      Thread.new{
        :ok
      }.join.value
    }
    ae %q{
      begin
        Thread.new{
          raise "ok"
        }.join
      rescue => e
        e
      end
    }
    ae %q{
      ans = nil
      t = Thread.new{
        begin
          sleep 0.5
        ensure
          ans = :ok
        end
      }
      Thread.pass
      t.kill
      t.join
      ans
    }
  end
end