1 files changed, 8 insertions, 0 deletions
diff --git a/test/json/json_ryu_fallback_test.rb b/test/json/json_ryu_fallback_test.rb
index 152de7e360..a61b3e668d 100644
--- a/test/json/json_ryu_fallback_test.rb
+++ b/test/json/json_ryu_fallback_test.rb
@@ -179,5 +179,13 @@ class JSONRyuFallbackTest < Test::Unit::TestCase
     assert_equal(-0.0, JSON.parse("-99999999999999999e-4294967296"))
     assert_equal(-Float::INFINITY, JSON.parse("-1e4294967295"))
     assert_equal(-Float::INFINITY, JSON.parse("-1e4294967297"))
+
+    assert_equal(Float::INFINITY, JSON.parse("1e9223372036854775808"))
+    assert_equal(Float::INFINITY, JSON.parse("1e9999999999999999999"))
+    assert_equal(Float::INFINITY, JSON.parse("1e18446744073709551616"))
+    assert_equal(Float::INFINITY, JSON.parse("1e10000000000000000000"))
+    assert_equal(Float::INFINITY, JSON.parse("1e184467440737095516160"))
+    assert_equal 0.0, JSON.parse("1e-18446744073709551615")
+    assert_equal 0.0, JSON.parse("1e-9223372036854775809")
   end
 end