Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/js/src/tests/test262/intl402/Collator/subclassing.js b/js/src/tests/test262/intl402/Collator/subclassing.js
new file mode 100644
index 0000000000..e6d499983d
--- /dev/null
+++ b/js/src/tests/test262/intl402/Collator/subclassing.js
@@ -0,0 +1,30 @@
+// Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 10.1.2_a
+description: Tests that Intl.Collator can be subclassed.
+author: Norbert Lindenberg
+includes: [compareArray.js]
+---*/
+
+// get a collator and have it sort an array for comparison with the subclass
+var locales = ["tlh", "id", "en"];
+var a = ["A", "C", "E", "B", "D", "F"];
+var referenceCollator = new Intl.Collator(locales);
+var referenceSorted = a.slice().sort(referenceCollator.compare);
+
+class MyCollator extends Intl.Collator {
+  constructor(locales, options) {
+    super(locales, options);
+    // could initialize MyCollator properties
+  }
+  // could add methods to MyCollator.prototype
+}
+
+var collator = new MyCollator(locales);
+a.sort(collator.compare);
+assert.compareArray(a, referenceSorted);
+
+reportCompare(0, 0);