1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatRangeToParts/argument-to-integer.js b/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatRangeToParts/argument-to-integer.js
new file mode 100644
index 0000000000..df97c735a1
--- /dev/null
+++ b/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatRangeToParts/argument-to-integer.js
@@ -0,0 +1,56 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// Copyright (C) 2019 Igalia S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-partitiondatetimerangepattern
+description: >
+  TimeClip applies ToInteger on its input value.
+info: |
+  Intl.DateTimeFormat.prototype.formatRangeToParts ( startDate , endDate )
+
+  5. Let x be ? ToNumber(startDate).
+  6. Let y be ? ToNumber(endDate).
+
+  TimeClip ( time )
+  ...
+  3. Let clippedTime be ! ToInteger(time).
+  4. If clippedTime is -0, set clippedTime to +0.
+  5. Return clippedTime.
+features: [Intl.DateTimeFormat-formatRange]
+---*/
+
+function* zip(a, b) {
+  assert.sameValue(a.length, b.length);
+  for (let i = 0; i < a.length; ++i) {
+    yield [i, a[i], b[i]];
+  }
+}
+
+function compare(actual, expected, message) {
+  for (const [i, actualEntry, expectedEntry] of zip(actual, expected)) {
+    assert.sameValue(actualEntry.type, expectedEntry.type, `${message}: type for entry ${i}`);
+    assert.sameValue(actualEntry.value, expectedEntry.value, `${message}: value for entry ${i}`);
+    assert.sameValue(actualEntry.source, expectedEntry.source, `${message}: source for entry ${i}`);
+  }
+}
+
+// Switch to a time format instead of using DateTimeFormat's default date-only format.
+const dtf = new Intl.DateTimeFormat(undefined, {
+    hour: "numeric", minute: "numeric", second: "numeric"
+});
+const date = Date.now();
+const expected = dtf.formatRangeToParts(0, date);
+
+compare(dtf.formatRangeToParts(-0.9, date), expected, "formatRangeToParts(-0.9)");
+compare(dtf.formatRangeToParts(-0.5, date), expected, "formatRangeToParts(-0.5)");
+compare(dtf.formatRangeToParts(-0.1, date), expected, "formatRangeToParts(-0.1)");
+compare(dtf.formatRangeToParts(-Number.MIN_VALUE, date), expected, "formatRangeToParts(-Number.MIN_VALUE)");
+compare(dtf.formatRangeToParts(-0, date), expected, "formatRangeToParts(-0)");
+compare(dtf.formatRangeToParts(+0, date), expected, "formatRangeToParts(+0)");
+compare(dtf.formatRangeToParts(Number.MIN_VALUE, date), expected, "formatRangeToParts(Number.MIN_VALUE)");
+compare(dtf.formatRangeToParts(0.1, date), expected, "formatRangeToParts(0.1)");
+compare(dtf.formatRangeToParts(0.5, date), expected, "formatRangeToParts(0.5)");
+compare(dtf.formatRangeToParts(0.9, date), expected, "formatRangeToParts(0.9)");
+
+reportCompare(0, 0);