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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "gtest/gtest.h"
#include "mozilla/intl/LocaleCanonicalizer.h"
#include "mozilla/Span.h"
namespace mozilla::intl {
static void CheckLocaleResult(LocaleCanonicalizer::Vector& ascii,
const char* before, const char* after) {
auto result = LocaleCanonicalizer::CanonicalizeICULevel1(before, ascii);
ASSERT_TRUE(result.isOk());
ASSERT_EQ(Span(const_cast<const char*>(ascii.begin()), ascii.length()),
MakeStringSpan(after));
}
/**
* Asserts the behavior of canonicalization as defined in:
*/
TEST(IntlLocaleCanonicalizer, CanonicalizeICULevel1)
{
LocaleCanonicalizer::Vector ascii{};
// Canonicalizes en-US
CheckLocaleResult(ascii, "en-US", "en_US");
// Canonicalizes POSIX
CheckLocaleResult(ascii, "en-US-posix", "en_US_POSIX");
// und gets changed to an empty string
CheckLocaleResult(ascii, "und", "");
// retains incorrect locales
CheckLocaleResult(ascii, "asdf", "asdf");
// makes text uppercase
CheckLocaleResult(ascii, "es-es", "es_ES");
// Converts 3 letter country codes to 2 letter.
CheckLocaleResult(ascii, "en-USA", "en_US");
// Does not perform level 2 canonicalization where the result would be
// fr_FR@currency=EUR
CheckLocaleResult(ascii, "fr-fr@EURO", "fr_FR_EURO");
// Removes the .utf8 ends
CheckLocaleResult(ascii, "ar-MA.utf8", "ar_MA");
// Allows valid ascii inputs
CheckLocaleResult(
ascii,
"abcdefghijlkmnopqrstuvwxyzABCDEFGHIJLKMNOPQRSTUVWXYZ-_.0123456789",
"abcdefghijlkmnopqrstuvwxyzabcdefghijlkmnopqrstuvwxyz__");
CheckLocaleResult(ascii, "exotic ascii:", "exotic ascii:");
// Does not accept non-ascii inputs.
ASSERT_EQ(LocaleCanonicalizer::CanonicalizeICULevel1("👍", ascii).unwrapErr(),
ICUError::InternalError);
ASSERT_EQ(
LocaleCanonicalizer::CanonicalizeICULevel1("ᏣᎳᎩ", ascii).unwrapErr(),
ICUError::InternalError);
}
} // namespace mozilla::intl