1 files changed, 21 insertions, 0 deletions
diff --git a/deps/v8/test/intl/plural-rules/check-to-number.js b/deps/v8/test/intl/plural-rules/check-to-number.js
new file mode 100644
index 0000000000..7d5396e634
--- /dev/null
+++ b/deps/v8/test/intl/plural-rules/check-to-number.js
@@ -0,0 +1,21 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+const pr = new Intl.PluralRules();
+const inputs = [undefined, null, true, false, 1, '', 'test', {}, { a: 1 }];
+
+inputs.forEach(input => {
+  const number = Number(input);
+  const expected = pr.select(number);
+  const actual = pr.select(input);
+  assertEquals(actual, expected);
+});
+
+let count = 0;
+const dummyObject = {};
+dummyObject[Symbol.toPrimitive] = () => ++count;
+assertEquals(pr.select(dummyObject), pr.select(count));
+assertEquals(count, 1);
+
+assertEquals(pr.select(0), pr.select(-0))