1 files changed, 156 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/RelativeTimeFormat/prototype/formatToParts/en-us-numeric-auto.js b/js/src/tests/test262/intl402/RelativeTimeFormat/prototype/formatToParts/en-us-numeric-auto.js
new file mode 100644
index 0000000000..fdf9ab6487
--- /dev/null
+++ b/js/src/tests/test262/intl402/RelativeTimeFormat/prototype/formatToParts/en-us-numeric-auto.js
@@ -0,0 +1,156 @@
+// 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 behavior of Intl.RelativeTimeFormat.prototype.formatToParts() in English.
+features: [Intl.RelativeTimeFormat]
+locale: [en-US]
+---*/
+
+function verifyFormatParts(actual, expected, message) {
+  assert.sameValue(actual.length, expected.length, `${message}: length`);
+
+  for (let i = 0; i < actual.length; ++i) {
+    assert.sameValue(actual[i].type, expected[i].type, `${message}: parts[${i}].type`);
+    assert.sameValue(actual[i].value, expected[i].value, `${message}: parts[${i}].value`);
+    assert.sameValue(actual[i].unit, expected[i].unit, `${message}: parts[${i}].unit`);
+  }
+}
+
+function expected(key, unit, default_) {
+  // https://www.unicode.org/cldr/charts/33/summary/en.html#1530
+  const exceptions = {
+    "year": {
+      "-1": "last year",
+      "0": "this year",
+      "1": "next year",
+    },
+    "quarter": {
+      "-1": "last quarter",
+      "0": "this quarter",
+      "1": "next quarter",
+    },
+    "month": {
+      "-1": "last month",
+      "0": "this month",
+      "1": "next month",
+    },
+    "week": {
+      "-1": "last week",
+      "0": "this week",
+      "1": "next week",
+    },
+    "day": {
+      "-1": "yesterday",
+      "0": "today",
+      "1": "tomorrow",
+    },
+    "hour": {
+      "0": "this hour",
+    },
+    "minute": {
+      "0": "this minute",
+    },
+    "second": {
+      "0": "now",
+    },
+  };
+
+  const exception = exceptions[unit] || {};
+  if (key in exception) {
+    return [
+      { "type": "literal", "value": exception[key] },
+    ]
+  }
+
+  return default_;
+}
+
+const units = [
+  "second",
+  "minute",
+  "hour",
+  "day",
+  "week",
+  "month",
+  "quarter",
+  "year",
+];
+
+const rtf = new Intl.RelativeTimeFormat("en-US", { "numeric": "auto" });
+
+assert.sameValue(typeof rtf.formatToParts, "function", "formatToParts should be supported");
+
+for (const unit of units) {
+  verifyFormatParts(rtf.formatToParts(1000, unit), [
+    { "type": "literal", "value": "in " },
+    { "type": "integer", "value": "1", "unit": unit },
+    { "type": "group", "value": ",", "unit": unit },
+    { "type": "integer", "value": "000", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s` },
+  ], `formatToParts(1000, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(10, unit), [
+    { "type": "literal", "value": "in " },
+    { "type": "integer", "value": "10", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s` },
+  ], `formatToParts(10, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(2, unit), [
+    { "type": "literal", "value": "in " },
+    { "type": "integer", "value": "2", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s` },
+  ], `formatToParts(2, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(1, unit), expected("1", unit, [
+    { "type": "literal", "value": "in " },
+    { "type": "integer", "value": "1", "unit": unit },
+    { "type": "literal", "value": ` ${unit}` },
+  ]), `formatToParts(1, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(0, unit), expected("0", unit, [
+    { "type": "literal", "value": "in " },
+    { "type": "integer", "value": "0", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s` },
+  ]), `formatToParts(0, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(-0, unit), expected("0", unit, [
+    { "type": "integer", "value": "0", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s ago` },
+  ]), `formatToParts(-0, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(-1, unit), expected("-1", unit, [
+    { "type": "integer", "value": "1", "unit": unit },
+    { "type": "literal", "value": ` ${unit} ago` },
+  ]), `formatToParts(-1, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(-2, unit), [
+    { "type": "integer", "value": "2", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s ago` },
+  ], `formatToParts(-2, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(-10, unit), [
+    { "type": "integer", "value": "10", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s ago` },
+  ], `formatToParts(-10, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(-1000, unit), [
+    { "type": "integer", "value": "1", "unit": unit },
+    { "type": "group", "value": ",", "unit": unit },
+    { "type": "integer", "value": "000", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s ago` },
+  ], `formatToParts(-1000, ${unit})`);
+
+  verifyFormatParts(rtf.formatToParts(123456.78, unit), [
+    { "type": "literal", "value": "in " },
+    { "type": "integer", "value": "123", "unit": unit },
+    { "type": "group", "value": ",", "unit": unit },
+    { "type": "integer", "value": "456", "unit": unit },
+    { "type": "decimal", "value": ".", "unit": unit },
+    { "type": "fraction", "value": "78", "unit": unit },
+    { "type": "literal", "value": ` ${unit}s` },
+  ], `formatToParts(123456.78, ${unit})`);
+}
+
+reportCompare(0, 0);