Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 69 insertions, 0 deletions

diff --git a/js/src/tests/test262/intl402/DisplayNames/options-localeMatcher-invalid-throws.js b/js/src/tests/test262/intl402/DisplayNames/options-localeMatcher-invalid-throws.js
new file mode 100644
index 0000000000..a0f1cfd744
--- /dev/null
+++ b/js/src/tests/test262/intl402/DisplayNames/options-localeMatcher-invalid-throws.js
@@ -0,0 +1,69 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-Intl.DisplayNames
+description: >
+  Return abrupt completion from an invalid localeMatcher option
+info: |
+  Intl.DisplayNames ([ locales [ , options ]])
+
+  1. If NewTarget is undefined, throw a TypeError exception.
+  2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
+    « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
+  ...
+  4. If options is undefined, then
+    a. Let options be ObjectCreate(null).
+  5. Else
+    a. Let options be ? ToObject(options).
+  ...
+  8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
+
+  GetOption ( options, property, type, values, fallback )
+
+  1. Let value be ? Get(options, property).
+  2. If value is not undefined, then
+    ...
+    c. If type is "string", then
+      i. Let value be ? ToString(value).
+    d. If values is not undefined, then
+      i. If values does not contain an element equal to value, throw a RangeError exception.
+  ...
+features: [Intl.DisplayNames]
+locale: [en]
+---*/
+
+var options = {
+  localeMatcher: 'bestfit' // not "best fit"
+};
+
+assert.throws(RangeError, () => {
+  new Intl.DisplayNames('en', options);
+}, 'bestfit');
+
+options.localeMatcher = 'look up';
+
+assert.throws(RangeError, () => {
+  new Intl.DisplayNames('en', options);
+}, 'look up');
+
+options.localeMatcher = null;
+
+assert.throws(RangeError, () => {
+  new Intl.DisplayNames('en', options);
+}, 'null');
+
+options.localeMatcher = '';
+
+assert.throws(RangeError, () => {
+  new Intl.DisplayNames('en', options);
+}, 'the empty string');
+
+// The world could burn
+options.localeMatcher = ['lookup', 'best fit'];
+
+assert.throws(RangeError, () => {
+  new Intl.DisplayNames('en', options);
+}, 'an array with the valid options is not necessarily valid');
+
+reportCompare(0, 0);