1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/RelativeTimeFormat/prototype/formatToParts/value-non-finite.js b/js/src/tests/test262/intl402/RelativeTimeFormat/prototype/formatToParts/value-non-finite.js
new file mode 100644
index 0000000000..f0c888d165
--- /dev/null
+++ b/js/src/tests/test262/intl402/RelativeTimeFormat/prototype/formatToParts/value-non-finite.js
@@ -0,0 +1,38 @@
+// Copyright 2018 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-Intl.RelativeTimeFormat.prototype.formatToParts
+description: Checks the handling of invalid value arguments to Intl.RelativeTimeFormat.prototype.formatToParts().
+info: |
+    Intl.RelativeTimeFormat.prototype.formatToParts( value, unit )
+
+    3. Let value be ? ToNumber(value).
+
+    PartitionRelativeTimePattern ( relativeTimeFormat, value, unit )
+
+    4. If isFinite(value) is false, then throw a RangeError exception.
+
+features: [Intl.RelativeTimeFormat]
+---*/
+
+const rtf = new Intl.RelativeTimeFormat("en-US");
+
+assert.sameValue(typeof rtf.formatToParts, "function", "formatToParts should be supported");
+
+const values = [
+  [undefined, "undefined"],
+  [NaN, "NaN"],
+  [Infinity, "Infinity"],
+  [-Infinity, "-Infinity"],
+  ["string", '"string"'],
+  [{}, "empty object"],
+  [{ toString() { return NaN; }, valueOf: undefined }, "object with toString"],
+  [{ valueOf() { return NaN; }, toString: undefined }, "object with valueOf"],
+];
+
+for (const [value, name] of values) {
+  assert.throws(RangeError, () => rtf.formatToParts(value, "second"), name);
+}
+
+reportCompare(0, 0);