1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/prototype/toJSON/non-finite.js b/js/src/tests/test262/built-ins/Date/prototype/toJSON/non-finite.js
new file mode 100644
index 0000000000..f3f6753a04
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Date/prototype/toJSON/non-finite.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.tojson
+description: >
+  If this value coerces to non-finite number, null is returned.
+info: |
+  Date.prototype.toJSON ( key )
+
+  [...]
+  2. Let tv be ? ToPrimitive(O, hint Number).
+  3. If Type(tv) is Number and tv is not finite, return null.
+---*/
+
+var toJSON = Date.prototype.toJSON;
+
+assert.sameValue(
+  toJSON.call({
+    get toISOString() { throw new Test262Error();  },
+    valueOf: function() { return NaN; },
+  }),
+  null
+);
+
+var num = new Number(-Infinity);
+num.toISOString = function() { throw new Test262Error(); };
+assert.sameValue(toJSON.call(num), null);
+
+reportCompare(0, 0);