1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-primitive-value-of.js b/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-primitive-value-of.js
new file mode 100644
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+++ b/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-primitive-value-of.js
@@ -0,0 +1,48 @@
+// 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 (OrdinaryToPrimitive).
+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
+    [...]
+    g. Return ? OrdinaryToPrimitive(input, hint).
+
+  OrdinaryToPrimitive ( O, hint )
+
+  [...]
+  5. For each name in methodNames in List order, do
+    a. Let method be ? Get(O, name).
+    b. If IsCallable(method) is true, then
+      i. Let result be ? Call(method, O).
+      ii. If Type(result) is not Object, return result.
+---*/
+
+var callCount = 0, _this, _arguments;
+var result = [];
+var obj = {
+  toISOString: function() { return result; },
+  toString: function() { throw new Test262Error('should not be called'); },
+  valueOf: function() {
+    callCount += 1;
+    _this = this;
+    _arguments = arguments;
+    return 'NaN';
+  },
+};
+
+assert.sameValue(Date.prototype.toJSON.call(obj), result);
+assert.sameValue(callCount, 1);
+assert.sameValue(_this, obj);
+assert.sameValue(_arguments.length, 0);
+
+reportCompare(0, 0);