184 lines
6.9 KiB
C++
184 lines
6.9 KiB
C++
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// Copyright 2015 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/i18n/message_formatter.h"
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#include <memory>
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#include "base/i18n/rtl.h"
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#include "base/i18n/unicodestring.h"
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#include "base/strings/string_piece.h"
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#include "base/strings/string_util.h"
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#include "base/strings/utf_string_conversions.h"
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#include "base/time/time.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "third_party/icu/source/common/unicode/unistr.h"
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#include "third_party/icu/source/i18n/unicode/datefmt.h"
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#include "third_party/icu/source/i18n/unicode/msgfmt.h"
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typedef testing::Test MessageFormatterTest;
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namespace base {
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namespace i18n {
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class MessageFormatterTest : public testing::Test {
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protected:
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MessageFormatterTest() {
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original_locale_ = GetConfiguredLocale();
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SetICUDefaultLocale("en-US");
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}
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~MessageFormatterTest() override {
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SetICUDefaultLocale(original_locale_);
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}
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private:
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std::string original_locale_;
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};
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namespace {
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void AppendFormattedDateTime(const std::unique_ptr<icu::DateFormat>& df,
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const Time& now,
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std::u16string* result) {
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icu::UnicodeString formatted;
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result->append(UnicodeStringToString16(
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df->format(static_cast<UDate>(now.ToJsTime()), formatted)));
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}
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} // namespace
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TEST_F(MessageFormatterTest, PluralNamedArgs) {
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const std::u16string pattern =
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u"{num_people, plural, "
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u"=0 {I met nobody in {place}.}"
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u"=1 {I met a person in {place}.}"
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u"other {I met # people in {place}.}}";
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std::u16string result = MessageFormatter::FormatWithNamedArgs(
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pattern, "num_people", 0, "place", "Paris");
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EXPECT_EQ(u"I met nobody in Paris.", result);
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result = MessageFormatter::FormatWithNamedArgs(pattern, "num_people", 1,
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"place", "Paris");
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EXPECT_EQ(u"I met a person in Paris.", result);
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result = MessageFormatter::FormatWithNamedArgs(pattern, "num_people", 5,
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"place", "Paris");
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EXPECT_EQ(u"I met 5 people in Paris.", result);
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}
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TEST_F(MessageFormatterTest, PluralNamedArgsWithOffset) {
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const std::u16string pattern =
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u"{num_people, plural, offset:1 "
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u"=0 {I met nobody in {place}.}"
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u"=1 {I met {person} in {place}.}"
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u"=2 {I met {person} and one other person in {place}.}"
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u"=13 {I met {person} and a dozen other people in {place}.}"
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u"other {I met {person} and # other people in {place}.}}";
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std::u16string result = MessageFormatter::FormatWithNamedArgs(
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pattern, "num_people", 0, "place", "Paris");
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EXPECT_EQ(u"I met nobody in Paris.", result);
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// {person} is ignored if {num_people} is 0.
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result = MessageFormatter::FormatWithNamedArgs(
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pattern, "num_people", 0, "place", "Paris", "person", "Peter");
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EXPECT_EQ(u"I met nobody in Paris.", result);
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result = MessageFormatter::FormatWithNamedArgs(
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pattern, "num_people", 1, "place", "Paris", "person", "Peter");
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EXPECT_EQ(u"I met Peter in Paris.", result);
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result = MessageFormatter::FormatWithNamedArgs(
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pattern, "num_people", 2, "place", "Paris", "person", "Peter");
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EXPECT_EQ(u"I met Peter and one other person in Paris.", result);
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result = MessageFormatter::FormatWithNamedArgs(
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pattern, "num_people", 13, "place", "Paris", "person", "Peter");
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EXPECT_EQ(u"I met Peter and a dozen other people in Paris.", result);
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result = MessageFormatter::FormatWithNamedArgs(
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pattern, "num_people", 50, "place", "Paris", "person", "Peter");
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EXPECT_EQ(u"I met Peter and 49 other people in Paris.", result);
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}
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TEST_F(MessageFormatterTest, PluralNumberedArgs) {
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const std::u16string pattern =
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u"{1, plural, "
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u"=1 {The cert for {0} expired yesterday.}"
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u"=7 {The cert for {0} expired a week ago.}"
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u"other {The cert for {0} expired # days ago.}}";
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std::u16string result =
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MessageFormatter::FormatWithNumberedArgs(pattern, "example.com", 1);
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EXPECT_EQ(u"The cert for example.com expired yesterday.", result);
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result = MessageFormatter::FormatWithNumberedArgs(pattern, "example.com", 7);
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EXPECT_EQ(u"The cert for example.com expired a week ago.", result);
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result = MessageFormatter::FormatWithNumberedArgs(pattern, "example.com", 15);
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EXPECT_EQ(u"The cert for example.com expired 15 days ago.", result);
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}
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TEST_F(MessageFormatterTest, PluralNumberedArgsWithDate) {
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const std::u16string pattern =
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u"{1, plural, "
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u"=1 {The cert for {0} expired yesterday. Today is {2,date,full}}"
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u"other {The cert for {0} expired # days ago. Today is {2,date,full}}}";
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base::Time now = base::Time::Now();
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using icu::DateFormat;
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std::unique_ptr<DateFormat> df(
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DateFormat::createDateInstance(DateFormat::FULL));
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std::u16string second_sentence = u" Today is ";
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AppendFormattedDateTime(df, now, &second_sentence);
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std::u16string result =
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MessageFormatter::FormatWithNumberedArgs(pattern, "example.com", 1, now);
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EXPECT_EQ(u"The cert for example.com expired yesterday." + second_sentence,
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result);
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result =
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MessageFormatter::FormatWithNumberedArgs(pattern, "example.com", 15, now);
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EXPECT_EQ(u"The cert for example.com expired 15 days ago." + second_sentence,
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result);
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}
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TEST_F(MessageFormatterTest, DateTimeAndNumber) {
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// Note that using 'mph' for all locales is not a good i18n practice.
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const std::u16string pattern =
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u"At {0,time, short} on {0,date, medium}, "
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u"there was {1} at building {2,number,integer}. "
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u"The speed of the wind was {3,number,###.#} mph.";
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using icu::DateFormat;
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std::unique_ptr<DateFormat> tf(
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DateFormat::createTimeInstance(DateFormat::SHORT));
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std::unique_ptr<DateFormat> df(
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DateFormat::createDateInstance(DateFormat::MEDIUM));
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base::Time now = base::Time::Now();
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std::u16string expected = u"At ";
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AppendFormattedDateTime(tf, now, &expected);
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expected.append(u" on ");
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AppendFormattedDateTime(df, now, &expected);
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expected.append(
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u", there was an explosion at building 3. "
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"The speed of the wind was 37.4 mph.");
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EXPECT_EQ(expected, MessageFormatter::FormatWithNumberedArgs(
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pattern, now, "an explosion", 3, 37.413));
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}
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TEST_F(MessageFormatterTest, SelectorSingleOrMultiple) {
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const std::u16string pattern =
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u"{0, select,"
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u"single {Select a file to upload.}"
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u"multiple {Select files to upload.}"
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u"other {UNUSED}}";
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std::u16string result =
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MessageFormatter::FormatWithNumberedArgs(pattern, "single");
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EXPECT_EQ(u"Select a file to upload.", result);
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result = MessageFormatter::FormatWithNumberedArgs(pattern, "multiple");
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EXPECT_EQ(u"Select files to upload.", result);
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// fallback if a parameter is not selectors specified in the message pattern.
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result = MessageFormatter::FormatWithNumberedArgs(pattern, "foobar");
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EXPECT_EQ(u"UNUSED", result);
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}
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} // namespace i18n
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} // namespace base
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