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-rw-r--r--js/src/tests/non262/Intl/Locale/apply-options-to-tag-canonicalize-twice.js11
1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/Locale/apply-options-to-tag-canonicalize-twice.js b/js/src/tests/non262/Intl/Locale/apply-options-to-tag-canonicalize-twice.js
new file mode 100644
index 0000000000..2a96200757
--- /dev/null
+++ b/js/src/tests/non262/Intl/Locale/apply-options-to-tag-canonicalize-twice.js
@@ -0,0 +1,11 @@
+// |reftest| skip-if(!this.hasOwnProperty('Intl'))
+
+// ApplyOptionsToTag canonicalises the locale identifier before applying the
+// options. That means "und-Armn-SU" is first canonicalised to "und-Armn-AM",
+// then the language is changed to "ru". If "ru" were applied first, the result
+// would be "ru-Armn-RU" instead.
+assertEq(new Intl.Locale("und-Armn-SU", {language:"ru"}).toString(),
+ "ru-Armn-AM");
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);