mozilla-central/intl/components/gtest/TestNumberFormat.cpp (file symbol)

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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/intl/NumberFormat.h"
#include "TestBuffer.h"
#include <string_view>
namespace mozilla {
namespace intl {
TEST(IntlNumberFormat, Basic)
{
NumberFormatOptions options;
UniquePtr<NumberFormat> nf =
NumberFormat::TryCreate("en-US", options).unwrap();
TestBuffer<char> buf8;
ASSERT_TRUE(nf->format(1234.56, buf8).isOk());
ASSERT_EQ(buf8.get_string_view(), "1,234.56");
TestBuffer<char16_t> buf16;
ASSERT_TRUE(nf->format(1234.56, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"1,234.56");
const char16_t* res16 = nf->format(1234.56).unwrap().data();
ASSERT_TRUE(res16 != nullptr);
ASSERT_EQ(std::u16string_view(res16), u"1,234.56");
UniquePtr<NumberFormat> nfAr =
NumberFormat::TryCreate("ar", options).unwrap();
ASSERT_TRUE(nfAr->format(1234.56, buf8).isOk());
ASSERT_EQ(buf8.get_string_view(), "١٬٢٣٤٫٥٦");
ASSERT_TRUE(nfAr->format(1234.56, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"١٬٢٣٤٫٥٦");
res16 = nfAr->format(1234.56).unwrap().data();
ASSERT_TRUE(res16 != nullptr);
ASSERT_EQ(std::u16string_view(res16), u"١٬٢٣٤٫٥٦");
}
TEST(IntlNumberFormat, Numbers)
{
NumberFormatOptions options;
UniquePtr<NumberFormat> nf =
NumberFormat::TryCreate("es-ES", options).unwrap();
TestBuffer<char> buf8;
ASSERT_TRUE(nf->format(123456.789, buf8).isOk());
ASSERT_EQ(buf8.get_string_view(), "123.456,789");
TestBuffer<char16_t> buf16;
ASSERT_TRUE(nf->format(123456.789, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"123.456,789");
const char16_t* res = nf->format(123456.789).unwrap().data();
ASSERT_TRUE(res != nullptr);
ASSERT_EQ(std::u16string_view(res), u"123.456,789");
}
TEST(IntlNumberFormat, SignificantDigits)
{
NumberFormatOptions options;
options.mSignificantDigits = Some(std::make_pair(3, 5));
UniquePtr<NumberFormat> nf =
NumberFormat::TryCreate("es-ES", options).unwrap();
TestBuffer<char> buf8;
ASSERT_TRUE(nf->format(123456.789, buf8).isOk());
ASSERT_EQ(buf8.get_string_view(), "123.460");
ASSERT_TRUE(nf->format(0.7, buf8).isOk());
ASSERT_EQ(buf8.get_string_view(), "0,700");
}
TEST(IntlNumberFormat, Currency)
{
NumberFormatOptions options;
options.mCurrency =
Some(std::make_pair("MXN", NumberFormatOptions::CurrencyDisplay::Symbol));
UniquePtr<NumberFormat> nf =
NumberFormat::TryCreate("es-MX", options).unwrap();
TestBuffer<char> buf8;
ASSERT_TRUE(nf->format(123456.789, buf8).isOk());
ASSERT_EQ(buf8.get_string_view(), "$123,456.79");
TestBuffer<char16_t> buf16;
ASSERT_TRUE(nf->format(123456.789, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"$123,456.79");
const char16_t* res = nf->format(123456.789).unwrap().data();
ASSERT_TRUE(res != nullptr);
ASSERT_EQ(std::u16string_view(res), u"$123,456.79");
}
TEST(IntlNumberFormat, Unit)
{
NumberFormatOptions options;
options.mUnit = Some(std::make_pair("meter-per-second",
NumberFormatOptions::UnitDisplay::Long));
UniquePtr<NumberFormat> nf =
NumberFormat::TryCreate("es-MX", options).unwrap();
TestBuffer<char> buf8;
ASSERT_TRUE(nf->format(12.34, buf8).isOk());
ASSERT_EQ(buf8.get_string_view(), "12.34 metros por segundo");
TestBuffer<char16_t> buf16;
ASSERT_TRUE(nf->format(12.34, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"12.34 metros por segundo");
const char16_t* res = nf->format(12.34).unwrap().data();
ASSERT_TRUE(res != nullptr);
ASSERT_EQ(std::u16string_view(res), u"12.34 metros por segundo");
// Create a string view into a longer string and make sure everything works
// correctly.
const char* unit = "meter-per-second-with-some-trailing-garbage";
options.mUnit = Some(std::make_pair(std::string_view(unit, 5),
NumberFormatOptions::UnitDisplay::Long));
UniquePtr<NumberFormat> nf2 =
NumberFormat::TryCreate("es-MX", options).unwrap();
res = nf2->format(12.34).unwrap().data();
ASSERT_TRUE(res != nullptr);
ASSERT_EQ(std::u16string_view(res), u"12.34 metros");
options.mUnit = Some(std::make_pair(std::string_view(unit, 16),
NumberFormatOptions::UnitDisplay::Long));
UniquePtr<NumberFormat> nf3 =
NumberFormat::TryCreate("es-MX", options).unwrap();
res = nf3->format(12.34).unwrap().data();
ASSERT_TRUE(res != nullptr);
ASSERT_EQ(std::u16string_view(res), u"12.34 metros por segundo");
}
TEST(IntlNumberFormat, RoundingMode)
{
NumberFormatOptions options;
options.mFractionDigits = Some(std::make_pair(0, 2));
options.mStripTrailingZero = true;
options.mRoundingIncrement = 5;
options.mRoundingMode = NumberFormatOptions::RoundingMode::Ceil;
UniquePtr<NumberFormat> nf = NumberFormat::TryCreate("en", options).unwrap();
const char16_t* res16 = nf->format(1.92).unwrap().data();
ASSERT_TRUE(res16 != nullptr);
ASSERT_EQ(std::u16string_view(res16), u"1.95");
res16 = nf->format(1.96).unwrap().data();
ASSERT_TRUE(res16 != nullptr);
ASSERT_EQ(std::u16string_view(res16), u"2");
}
TEST(IntlNumberFormat, Grouping)
{
NumberFormatOptions options;
options.mGrouping = NumberFormatOptions::Grouping::Min2;
UniquePtr<NumberFormat> nf = NumberFormat::TryCreate("en", options).unwrap();
const char16_t* res16 = nf->format(1'000.0).unwrap().data();
ASSERT_TRUE(res16 != nullptr);
ASSERT_EQ(std::u16string_view(res16), u"1000");
res16 = nf->format(10'000.0).unwrap().data();
ASSERT_TRUE(res16 != nullptr);
ASSERT_EQ(std::u16string_view(res16), u"10,000");
}
TEST(IntlNumberFormat, RoundingPriority)
{
NumberFormatOptions options;
options.mFractionDigits = Some(std::make_pair(2, 2));
options.mSignificantDigits = Some(std::make_pair(1, 2));
options.mRoundingPriority =
NumberFormatOptions::RoundingPriority::LessPrecision;
UniquePtr<NumberFormat> nf1 = NumberFormat::TryCreate("en", options).unwrap();
const char16_t* res16 = nf1->format(4.321).unwrap().data();
ASSERT_TRUE(res16 != nullptr);
ASSERT_EQ(std::u16string_view(res16), u"4.3");
options.mRoundingPriority =
NumberFormatOptions::RoundingPriority::MorePrecision;
UniquePtr<NumberFormat> nf2 = NumberFormat::TryCreate("en", options).unwrap();
res16 = nf2->format(4.321).unwrap().data();
ASSERT_TRUE(res16 != nullptr);
ASSERT_EQ(std::u16string_view(res16), u"4.32");
}
TEST(IntlNumberFormat, FormatToParts)
{
NumberFormatOptions options;
UniquePtr<NumberFormat> nf =
NumberFormat::TryCreate("es-ES", options).unwrap();
NumberPartVector parts;
const char16_t* res = nf->formatToParts(123456.789, parts).unwrap().data();
ASSERT_TRUE(res != nullptr);
ASSERT_EQ(std::u16string_view(res), u"123.456,789");
ASSERT_EQ(parts.length(), 5U);
// NumberFormat only ever produces number parts with NumberPartSource::Shared.
ASSERT_EQ(parts[0],
(NumberPart{NumberPartType::Integer, NumberPartSource::Shared, 3}));
ASSERT_EQ(parts[1],
(NumberPart{NumberPartType::Group, NumberPartSource::Shared, 4}));
ASSERT_EQ(parts[2],
(NumberPart{NumberPartType::Integer, NumberPartSource::Shared, 7}));
ASSERT_EQ(parts[3],
(NumberPart{NumberPartType::Decimal, NumberPartSource::Shared, 8}));
ASSERT_EQ(parts[4], (NumberPart{NumberPartType::Fraction,
NumberPartSource::Shared, 11}));
}
TEST(IntlNumberFormat, GetAvailableLocales)
{
using namespace std::literals;
int32_t english = 0;
int32_t german = 0;
int32_t chinese = 0;
// Since this list is dependent on ICU, and may change between upgrades, only
// test a subset of the available locales.
for (const char* locale : NumberFormat::GetAvailableLocales()) {
if (locale == "en"sv) {
english++;
} else if (locale == "de"sv) {
german++;
} else if (locale == "zh"sv) {
chinese++;
}
}
// Each locale should be found exactly once.
ASSERT_EQ(english, 1);
ASSERT_EQ(german, 1);
ASSERT_EQ(chinese, 1);
}
} // namespace intl
} // namespace mozilla