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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/ListFormat.h"
#include "mozilla/Span.h"
#include "TestBuffer.h"
namespace mozilla::intl {
// Test ListFormat.format with default options.
TEST(IntlListFormat, FormatDefault)
{
ListFormat::Options options;
UniquePtr<ListFormat> lf =
ListFormat::TryCreate(MakeStringSpan("en-US"), options).unwrap();
ListFormat::StringList list;
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Alice")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Bob")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Charlie")));
TestBuffer<char16_t> buf16;
ASSERT_TRUE(lf->Format(list, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"Alice, Bob, and Charlie");
UniquePtr<ListFormat> lfDe =
ListFormat::TryCreate(MakeStringSpan("de"), options).unwrap();
ASSERT_TRUE(lfDe->Format(list, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"Alice, Bob und Charlie");
}
// Test ListFormat.format with Type::Conjunction and other styles.
TEST(IntlListFormat, FormatConjunction)
{
ListFormat::Options options{ListFormat::Type::Conjunction,
ListFormat::Style::Narrow};
UniquePtr<ListFormat> lf =
ListFormat::TryCreate(MakeStringSpan("en-US"), options).unwrap();
ListFormat::StringList list;
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Alice")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Bob")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Charlie")));
TestBuffer<char16_t> buf16;
ASSERT_TRUE(lf->Format(list, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"Alice, Bob, Charlie");
ListFormat::Options optionsSh{ListFormat::Type::Conjunction,
ListFormat::Style::Short};
UniquePtr<ListFormat> lfSh =
ListFormat::TryCreate(MakeStringSpan("en-US"), optionsSh).unwrap();
ASSERT_TRUE(lfSh->Format(list, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"Alice, Bob, & Charlie");
}
// Test ListFormat.format with Type::Disjunction.
TEST(IntlListFormat, FormatDisjunction)
{
// When Type is Disjunction, the results will be the same regardless of the
// style for most locales, so simply test with Style::Long.
ListFormat::Options options{ListFormat::Type::Disjunction,
ListFormat::Style::Long};
UniquePtr<ListFormat> lf =
ListFormat::TryCreate(MakeStringSpan("en-US"), options).unwrap();
ListFormat::StringList list;
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Alice")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Bob")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Charlie")));
TestBuffer<char16_t> buf16;
ASSERT_TRUE(lf->Format(list, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"Alice, Bob, or Charlie");
}
// Test ListFormat.format with Type::Unit.
TEST(IntlListFormat, FormatUnit)
{
ListFormat::Options options{ListFormat::Type::Unit, ListFormat::Style::Long};
// For locale "en", Style::Long and Style::Short have the same result, so just
// test Style::Long here.
UniquePtr<ListFormat> lf =
ListFormat::TryCreate(MakeStringSpan("en-US"), options).unwrap();
ListFormat::StringList list;
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Alice")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Bob")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Charlie")));
TestBuffer<char16_t> buf16;
ASSERT_TRUE(lf->Format(list, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"Alice, Bob, Charlie");
ListFormat::Options optionsNa{ListFormat::Type::Unit,
ListFormat::Style::Narrow};
UniquePtr<ListFormat> lfNa =
ListFormat::TryCreate(MakeStringSpan("en-US"), optionsNa).unwrap();
ASSERT_TRUE(lfNa->Format(list, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(), u"Alice Bob Charlie");
}
// Pass a long list (list.length() > DEFAULT_LIST_LENGTH) and check the result
// is still correct. (result.length > INITIAL_CHAR_BUFFER_SIZE)
TEST(IntlListFormat, FormatBufferLength)
{
ListFormat::Options options;
UniquePtr<ListFormat> lf =
ListFormat::TryCreate(MakeStringSpan("en-US"), options).unwrap();
ListFormat::StringList list;
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Alice")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Bob")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Charlie")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"David")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Eve")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Frank")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Grace")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Heidi")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Ivan")));
TestBuffer<char16_t> buf16;
ASSERT_TRUE(lf->Format(list, buf16).isOk());
ASSERT_EQ(buf16.get_string_view(),
u"Alice, Bob, Charlie, David, Eve, Frank, Grace, Heidi, and Ivan");
}
TEST(IntlListFormat, FormatToParts)
{
ListFormat::Options options;
UniquePtr<ListFormat> lf =
ListFormat::TryCreate(MakeStringSpan("en-US"), options).unwrap();
ListFormat::StringList list;
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Alice")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Bob")));
MOZ_RELEASE_ASSERT(list.append(MakeStringSpan(u"Charlie")));
TestBuffer<char16_t> buf16;
mozilla::intl::ListFormat::PartVector parts;
ASSERT_TRUE(lf->FormatToParts(list, buf16, parts).isOk());
std::u16string_view strView = buf16.get_string_view();
ASSERT_EQ(strView, u"Alice, Bob, and Charlie");
// 3 elements, and 2 literals.
ASSERT_EQ((parts.length()), (5u));
auto getSubStringView = [strView, &parts](size_t index) {
size_t pos = index == 0 ? 0 : parts[index - 1].second;
size_t count = parts[index].second - pos;
return strView.substr(pos, count);
};
ASSERT_EQ(parts[0].first, ListFormat::PartType::Element);
ASSERT_EQ(getSubStringView(0), u"Alice");
ASSERT_EQ(parts[1].first, ListFormat::PartType::Literal);
ASSERT_EQ(getSubStringView(1), u", ");
ASSERT_EQ(parts[2].first, ListFormat::PartType::Element);
ASSERT_EQ(getSubStringView(2), u"Bob");
ASSERT_EQ(parts[3].first, ListFormat::PartType::Literal);
ASSERT_EQ(getSubStringView(3), u", and ");
ASSERT_EQ(parts[4].first, ListFormat::PartType::Element);
ASSERT_EQ(getSubStringView(4), u"Charlie");
}
} // namespace mozilla::intl
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