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-rw-r--r--activesupport/test/json/encoding_test.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/activesupport/test/json/encoding_test.rb b/activesupport/test/json/encoding_test.rb
index a2e61d88d5..8493f4dc2c 100644
--- a/activesupport/test/json/encoding_test.rb
+++ b/activesupport/test/json/encoding_test.rb
@@ -27,6 +27,9 @@ class TestJSONEncoding < ActiveSupport::TestCase
NilTests = [[ nil, %(null) ]]
NumericTests = [[ 1, %(1) ],
[ 2.5, %(2.5) ],
+ [ 0.0/0.0, %(null) ],
+ [ 1.0/0.0, %(null) ],
+ [ -1.0/0.0, %(null) ],
[ BigDecimal('2.5'), %("#{BigDecimal('2.5').to_s}") ]]
StringTests = [[ 'this is the <string>', %("this is the \\u003Cstring\\u003E")],