1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-primitive-symbol.js b/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-primitive-symbol.js
new file mode 100644
index 0000000000..7cf18d9060
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-primitive-symbol.js
@@ -0,0 +1,47 @@
+// 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: >
+  This value is coerced to primitive with Number hint (exotic @@toPrimitive).
+info: |
+  Date.prototype.toJSON ( key )
+
+  [...]
+  2. Let tv be ? ToPrimitive(O, hint Number).
+
+  ToPrimitive ( input [ , PreferredType ] )
+
+  1. Assert: input is an ECMAScript language value.
+  2. If Type(input) is Object, then
+    [...]
+    d. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
+    e. If exoticToPrim is not undefined, then
+      i. Let result be ? Call(exoticToPrim, input, « hint »).
+      ii. If Type(result) is not Object, return result.
+features: [Symbol, Symbol.toPrimitive]
+---*/
+
+var callCount = 0, _this, _arguments;
+var result = new Boolean(false);
+
+var obj = {
+  toISOString: function() { return result; },
+  toString: function() { throw new Test262Error('should not be called'); },
+  valueOf: function() { throw new Test262Error('should not be called'); },
+};
+
+obj[Symbol.toPrimitive] = function() {
+  callCount += 1;
+  _this = this;
+  _arguments = arguments;
+  return 3.14;
+};
+
+assert.sameValue(Date.prototype.toJSON.call(obj), result);
+assert.sameValue(callCount, 1);
+assert.sameValue(_this, obj);
+assert.sameValue(_arguments[0], 'number');
+assert.sameValue(_arguments.length, 1);
+
+reportCompare(0, 0);