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Ruby: Add summaries for Hash#deep_merge(!)

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Harry Maclean
2022-10-06 14:29:18 +13:00
parent 3dea1d6a60
commit cb37a0e835
2 changed files with 69 additions and 2 deletions
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59
ruby/ql/test/library-tests/dataflow/hash-flow/hash_flow.rb
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@@ -783,3 +783,62 @@ def m46(x)
end
m46(:c)
def m47()
hash1 = {
:a => taint(47.1),
:b => 1,
:c => taint(47.2)
}
hash2 = {
:d => taint(47.3),
:e => 1,
:f => taint(47.4)
}
hash = hash1.deep_merge(hash2) do |key, old_value, new_value|
sink key
sink old_value # $ hasValueFlow=47.1 $ hasValueFlow=47.2 $ hasValueFlow=47.3 $ hasValueFlow=47.4
sink new_value # $ hasValueFlow=47.1 $ hasValueFlow=47.2 $ hasValueFlow=47.3 $ hasValueFlow=47.4
end
sink (hash[:a]) # $ hasValueFlow=47.1
sink (hash[:b])
sink (hash[:c]) # $ hasValueFlow=47.2
sink (hash[:d]) # $ hasValueFlow=47.3
sink (hash[:e])
sink (hash[:f]) # $ hasValueFlow=47.4
end
m47()
def m48()
hash1 = {
:a => taint(48.1),
:b => 1,
:c => taint(48.2)
}
hash2 = {
:d => taint(48.3),
:e => 1,
:f => taint(48.4)
}
hash = hash1.deep_merge!(hash2) do |key, old_value, new_value|
sink key
sink old_value # $ hasValueFlow=48.1 $ hasValueFlow=48.2 $ hasValueFlow=48.3 $ hasValueFlow=48.4
sink new_value # $ hasValueFlow=48.1 $ hasValueFlow=48.2 $ hasValueFlow=48.3 $ hasValueFlow=48.4
end
sink (hash[:a]) # $ hasValueFlow=48.1
sink (hash[:b])
sink (hash[:c]) # $ hasValueFlow=48.2
sink (hash[:d]) # $ hasValueFlow=48.3
sink (hash[:e])
sink (hash[:f]) # $ hasValueFlow=48.4
sink (hash1[:a]) # $ hasValueFlow=48.1
sink (hash1[:b])
sink (hash1[:c]) # $ hasValueFlow=48.2
sink (hash1[:d]) # $ hasValueFlow=48.3
sink (hash1[:e])
sink (hash1[:f]) # $ hasValueFlow=48.4
end
m48()