| // Copyright 2016 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Ignore the first tag when checking for duplicate subtags. |
| assertDoesNotThrow(() => Intl.getCanonicalLocales("foobar-foobar")); |
| |
| // Ignore duplicate subtags in different namespaces; eg, 'a' vs 'u'. |
| assertDoesNotThrow(() => Intl.getCanonicalLocales("en-a-ca-Chinese-u-ca-Chinese")); |
| // Ignore duplicate subtags in U-extension as well. Only the first count. |
| // See RFC 6067 for details. |
| assertDoesNotThrow(() => Intl.getCanonicalLocales("en-u-ca-gregory-ca-chinese")); |
| assertEquals("en-u-ca-gregory", Intl.getCanonicalLocales("en-u-ca-gregory-ca-chinese")[0]); |
| |
| // Check duplicate subtags (after the first tag) are detected. |
| assertThrows(() => Intl.getCanonicalLocales("en-foobar-foobar"), RangeError); |
