/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/intl/String.h"
#include "mozilla/Span.h"
#include "mozilla/TextUtils.h"
#include "mozilla/Try.h"
#include <algorithm>
#include "TestBuffer.h"
namespace mozilla::intl {
static Result<std::u16string_view, ICUError> ToLocaleLowerCase(
const char* aLocale,
const char16_t* aString,
TestBuffer<char16_t>& aBuffer) {
aBuffer.clear();
MOZ_TRY(String::ToLocaleLowerCase(aLocale, MakeStringSpan(aString), aBuffer));
return aBuffer.get_string_view();
}
static Result<std::u16string_view, ICUError> ToLocaleUpperCase(
const char* aLocale,
const char16_t* aString,
TestBuffer<char16_t>& aBuffer) {
aBuffer.clear();
MOZ_TRY(String::ToLocaleUpperCase(aLocale, MakeStringSpan(aString), aBuffer));
return aBuffer.get_string_view();
}
TEST(IntlString, ToLocaleLowerCase)
{
TestBuffer<char16_t> buf;
ASSERT_EQ(ToLocaleLowerCase(
"en", u
"test", buf).unwrap(), u
"test");
ASSERT_EQ(ToLocaleLowerCase(
"en", u
"TEST", buf).unwrap(), u
"test");
// Turkish dotless i.
ASSERT_EQ(ToLocaleLowerCase(
"tr", u
"I", buf).unwrap(), u
"ı");
ASSERT_EQ(ToLocaleLowerCase(
"tr", u
"İ", buf).unwrap(), u
"i");
ASSERT_EQ(ToLocaleLowerCase(
"tr", u
"I\u0307", buf).unwrap(), u
"i");
}
TEST(IntlString, ToLocaleUpperCase)
{
TestBuffer<char16_t> buf;
ASSERT_EQ(ToLocaleUpperCase(
"en", u
"test", buf).unwrap(), u
"TEST");
ASSERT_EQ(ToLocaleUpperCase(
"en", u
"TEST", buf).unwrap(), u
"TEST");
// Turkish dotless i.
ASSERT_EQ(ToLocaleUpperCase(
"tr", u
"i", buf).unwrap(), u
"İ");
ASSERT_EQ(ToLocaleUpperCase(
"tr", u
"ı", buf).unwrap(), u
"I");
// Output can be longer than the input string.
ASSERT_EQ(ToLocaleUpperCase(
"en", u
"Größenmaßstäbe", buf).unwrap(),
u
"GRÖSSENMASSSTÄBE");
}
TEST(IntlString, ComposePairNFC)
{
// Pair of base characters do not compose
ASSERT_EQ(String::ComposePairNFC(U
'a', U
'b'), U
'\0');
// Base letter + accent
ASSERT_EQ(String::ComposePairNFC(U
'a', U
'\u0308'), U
'ä');
// Accented letter + a further accent
ASSERT_EQ(String::ComposePairNFC(U
'ä', U
'\u0304'), U
'ǟ');
// Accented letter + a further accent, but doubly-accented form is not
// available
ASSERT_EQ(String::ComposePairNFC(U
'ä', U
'\u0301'), U
'\0');
// These do not compose because although U+0344 has the decomposition <0308,
// 0301> (see below), it also has the Full_Composition_Exclusion property.
ASSERT_EQ(String::ComposePairNFC(U
'\u0308', U
'\u0301'), U
'\0');
// Supplementary-plane letter + accent
ASSERT_EQ(String::ComposePairNFC(U
'\U00011099', U
'\U000110BA'),
U
'\U0001109A');
}
TEST(IntlString, IsCased)
{
ASSERT_TRUE(String::IsCased(U
'a'));
ASSERT_FALSE(String::IsCased(U
'0'));
}
TEST(IntlString, IsCaseIgnorable)
{
ASSERT_FALSE(String::IsCaseIgnorable(U
'a'));
ASSERT_TRUE(String::IsCaseIgnorable(U
'.'));
}
TEST(IntlString, GetUnicodeVersion)
{
auto version = String::GetUnicodeVersion();
ASSERT_TRUE(std::all_of(version.begin(), version.end(), [](
char ch) {
return IsAsciiDigit(ch) || ch ==
'.';
}));
}
}
// namespace mozilla::intl