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Merge pull request #6096 from hasclass/as_json__encode_infinite_and_n…

…an_bigdecimals_as_null

JSON: encode BigDecimal NaN/Infinity as null.
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commit ec94d8442567b6658e82ad6c4e2428abb23720c9 2 parents 7d2df5f + d538778
@drogus drogus authored
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4 activesupport/lib/active_support/json/encoding.rb
@@ -183,6 +183,8 @@ def encode_json(encoder) to_s end #:nodoc:
end
class Float
+ # Encoding Infinity or NaN to JSON should return "null". The default returns
+ # "Infinity" or "NaN" what breaks parsing the JSON. E.g. JSON.parse('[NaN]').
def as_json(options = nil) finite? ? self : NilClass::AS_JSON end #:nodoc:
end
@@ -195,7 +197,7 @@ class BigDecimal
# That's why a JSON string is returned. The JSON literal is not numeric, but if
# the other end knows by contract that the data is supposed to be a BigDecimal,
# it still has the chance to post-process the string and get the real value.
- def as_json(options = nil) to_s end #:nodoc:
+ def as_json(options = nil) finite? ? to_s : NilClass::AS_JSON end #:nodoc:
end
class Regexp
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1  activesupport/test/json/encoding_test.rb
@@ -30,6 +30,7 @@ def as_json(options)
[ 0.0/0.0, %(null) ],
[ 1.0/0.0, %(null) ],
[ -1.0/0.0, %(null) ],
+ [ BigDecimal('0.0')/BigDecimal('0.0'), %(null) ],
[ BigDecimal('2.5'), %("#{BigDecimal('2.5').to_s}") ]]
StringTests = [[ 'this is the <string>', %("this is the \\u003Cstring\\u003E")],
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