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143 lines
5.3 KiB
143 lines
5.3 KiB
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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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 <stddef.h>
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#include <stdint.h>
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#include <limits>
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#include "base/i18n/number_formatting.h"
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#include "base/i18n/rtl.h"
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#include "base/macros.h"
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#include "base/strings/utf_string_conversions.h"
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#include "base/test/icu_test_util.h"
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#include "build/build_config.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "third_party/icu/source/i18n/unicode/usearch.h"
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namespace base {
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namespace {
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TEST(NumberFormattingTest, FormatNumber) {
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static const struct {
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int64_t number;
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const char* expected_english;
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const char* expected_german;
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} cases[] = {
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{0, "0", "0"},
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{1024, "1,024", "1.024"},
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{std::numeric_limits<int64_t>::max(),
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"9,223,372,036,854,775,807", "9.223.372.036.854.775.807"},
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{std::numeric_limits<int64_t>::min(),
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"-9,223,372,036,854,775,808", "-9.223.372.036.854.775.808"},
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{-42, "-42", "-42"},
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};
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test::ScopedRestoreICUDefaultLocale restore_locale;
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for (size_t i = 0; i < arraysize(cases); ++i) {
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i18n::SetICUDefaultLocale("en");
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testing::ResetFormatters();
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EXPECT_EQ(cases[i].expected_english,
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UTF16ToUTF8(FormatNumber(cases[i].number)));
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i18n::SetICUDefaultLocale("de");
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testing::ResetFormatters();
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EXPECT_EQ(cases[i].expected_german,
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UTF16ToUTF8(FormatNumber(cases[i].number)));
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}
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}
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TEST(NumberFormattingTest, FormatDouble) {
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static const struct {
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double number;
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int frac_digits;
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const char* expected_english;
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const char* expected_german;
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} cases[] = {
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{0.0, 0, "0", "0"},
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#if !defined(OS_ANDROID)
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// Bionic can't printf negative zero correctly.
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{-0.0, 4, "-0.0000", "-0,0000"},
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#endif
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{1024.2, 0, "1,024", "1.024"},
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{-1024.223, 2, "-1,024.22", "-1.024,22"},
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{std::numeric_limits<double>::max(), 6,
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"179,769,313,486,231,570,000,000,000,000,000,000,000,000,000,000,000,"
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"000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
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"000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
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"000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
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"000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
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"000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
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"000.000000",
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"179.769.313.486.231.570.000.000.000.000.000.000.000.000.000.000.000."
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"000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
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"000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
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"000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
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"000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
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"000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
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"000,000000"},
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{std::numeric_limits<double>::min(), 2, "0.00", "0,00"},
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{-42.7, 3, "-42.700", "-42,700"},
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};
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test::ScopedRestoreICUDefaultLocale restore_locale;
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for (size_t i = 0; i < arraysize(cases); ++i) {
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i18n::SetICUDefaultLocale("en");
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testing::ResetFormatters();
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EXPECT_EQ(cases[i].expected_english,
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UTF16ToUTF8(FormatDouble(cases[i].number, cases[i].frac_digits)));
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i18n::SetICUDefaultLocale("de");
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testing::ResetFormatters();
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EXPECT_EQ(cases[i].expected_german,
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UTF16ToUTF8(FormatDouble(cases[i].number, cases[i].frac_digits)));
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}
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}
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TEST(NumberFormattingTest, FormatPercent) {
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static const struct {
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int64_t number;
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const char* expected_english;
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const char* expected_german; // Note: Space before % isn't \x20.
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// Note: Eastern Arabic-Indic digits (U+06Fx) for Persian and
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// Arabic-Indic digits (U+066x) for Arabic in Egypt(ar-EG). In Arabic (ar),
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// uses European digits (Google-patch).
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// See https://unicode.org/cldr/trac/ticket/9040 for details.
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// See also https://unicode.org/cldr/trac/ticket/10176 .
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// For now, take what CLDR 32 has (percent sign to the right of
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// a number in Persian).
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const char* expected_persian;
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const char* expected_arabic;
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const char* expected_arabic_egypt;
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} cases[] = {
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{0, "0%", u8"0\u00a0%", u8"\u06f0\u066a", u8"0\u200e%\u200e",
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u8"\u0660\u066a\u061c"},
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{42, "42%", "42\u00a0%", u8"\u06f4\u06f2\u066a", u8"42\u200e%\u200e",
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"\u0664\u0662\u066a\u061c"},
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{1024, "1,024%", "1.024\u00a0%", u8"\u06f1\u066c\u06f0\u06f2\u06f4\u066a",
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"1,024\u200e%\u200e", "\u0661\u066c\u0660\u0662\u0664\u066a\u061c"},
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};
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test::ScopedRestoreICUDefaultLocale restore_locale;
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for (size_t i = 0; i < arraysize(cases); ++i) {
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i18n::SetICUDefaultLocale("en");
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EXPECT_EQ(ASCIIToUTF16(cases[i].expected_english),
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FormatPercent(cases[i].number));
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i18n::SetICUDefaultLocale("de");
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EXPECT_EQ(UTF8ToUTF16(cases[i].expected_german),
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FormatPercent(cases[i].number));
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i18n::SetICUDefaultLocale("fa");
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EXPECT_EQ(UTF8ToUTF16(cases[i].expected_persian),
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FormatPercent(cases[i].number));
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i18n::SetICUDefaultLocale("ar");
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EXPECT_EQ(UTF8ToUTF16(cases[i].expected_arabic),
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FormatPercent(cases[i].number));
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i18n::SetICUDefaultLocale("ar-EG");
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EXPECT_EQ(UTF8ToUTF16(cases[i].expected_arabic_egypt),
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FormatPercent(cases[i].number));
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}
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}
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} // namespace
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} // namespace base
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