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ruby: add test of rb/uninitialized-local-variable

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yoff
2025-04-09 16:49:36 +02:00
parent 7ed8a85e08
commit 1ca25b2ccb
3 changed files with 62 additions and 0 deletions
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14
ruby/ql/test/query-tests/variables/UninitializedLocal/UninitializedLocal.expected Normal file
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| UninitializedLocal.rb:12:3:12:3 | m | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:8:7:8:7 | m | m |
| UninitializedLocal.rb:17:16:17:16 | a | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:17:7:17:7 | a | a |
| UninitializedLocal.rb:30:3:30:3 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:31:3:31:3 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:32:3:32:3 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:32:8:32:8 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:33:3:33:3 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:33:14:33:14 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:33:20:33:20 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:34:3:34:3 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:34:15:34:15 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:34:21:34:21 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:7:27:7 | b | b |
| UninitializedLocal.rb:44:13:44:13 | a | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:40:11:40:11 | a | a |
| UninitializedLocal.rb:45:3:45:3 | a | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:40:11:40:11 | a | a |

2
ruby/ql/test/query-tests/variables/UninitializedLocal/UninitializedLocal.qlref Normal file
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query: queries/variables/UninitializedLocal.ql
postprocess: utils/test/InlineExpectationsTestQuery.ql

46
ruby/ql/test/query-tests/variables/UninitializedLocal/UninitializedLocal.rb Normal file
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def m
puts "m"
end
def foo
m # calls m above
if false
m = 0
m # reads local variable m
else
end
m #$ Alert
m2 # undefined local variable or method 'm2' for main (NameError)
end
def test_guards
if (a = 3 && a) #$ Alert
a
end
if (a = 3) && a # OK - a is assigned in the previous conjunct
a
end
if !(a = 3) or a # OK - a is assigned in the previous conjunct
a
end
if false
b = 0
end
b.nil?
b || 0 #$ SPURIOUS: Alert
b&.m #$ SPURIOUS: Alert
b if b #$ SPURIOUS: Alert
b.close if b && !b.closed #$ SPURIOUS: Alert
b.blowup if b || !b.blownup #$ Alert
end
def test_loop
begin
if false
a = 0
else
set_a
end
end until a #$ SPURIOUS: Alert
a #$ SPURIOUS: Alert
end