1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include <limits>
6
7#include "base/i18n/number_formatting.h"
8#include "base/i18n/rtl.h"
9#include "base/strings/utf_string_conversions.h"
10#include "testing/gtest/include/gtest/gtest.h"
11
12namespace base {
13namespace {
14
15TEST(NumberFormattingTest, FormatNumber) {
16  static const struct {
17    int64 number;
18    const char* expected_english;
19    const char* expected_german;
20  } cases[] = {
21    {0, "0", "0"},
22    {1024, "1,024", "1.024"},
23    {std::numeric_limits<int64>::max(),
24        "9,223,372,036,854,775,807", "9.223.372.036.854.775.807"},
25    {std::numeric_limits<int64>::min(),
26        "-9,223,372,036,854,775,808", "-9.223.372.036.854.775.808"},
27    {-42, "-42", "-42"},
28  };
29
30  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
31    i18n::SetICUDefaultLocale("en");
32    testing::ResetFormatters();
33    EXPECT_EQ(cases[i].expected_english,
34              UTF16ToUTF8(FormatNumber(cases[i].number)));
35    i18n::SetICUDefaultLocale("de");
36    testing::ResetFormatters();
37    EXPECT_EQ(cases[i].expected_german,
38              UTF16ToUTF8(FormatNumber(cases[i].number)));
39  }
40}
41
42TEST(NumberFormattingTest, FormatDouble) {
43  static const struct {
44    double number;
45    int frac_digits;
46    const char* expected_english;
47    const char* expected_german;
48  } cases[] = {
49    {0.0, 0, "0", "0"},
50#if !defined(OS_ANDROID)
51    // Bionic can't printf negative zero correctly.
52    {-0.0, 4, "-0.0000", "-0,0000"},
53#endif
54    {1024.2, 0, "1,024", "1.024"},
55    {-1024.223, 2, "-1,024.22", "-1.024,22"},
56    {std::numeric_limits<double>::max(), 6,
57        "179,769,313,486,232,000,000,000,000,000,000,000,000,000,000,000,000,"
58        "000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
59        "000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
60        "000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
61        "000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
62        "000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,"
63        "000.000000",
64        "179.769.313.486.232.000.000.000.000.000.000.000.000.000.000.000.000."
65        "000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
66        "000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
67        "000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
68        "000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
69        "000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000."
70        "000,000000"},
71    {std::numeric_limits<double>::min(), 2, "0.00", "0,00"},
72    {-42.7, 3, "-42.700", "-42,700"},
73  };
74
75  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
76    i18n::SetICUDefaultLocale("en");
77    testing::ResetFormatters();
78    EXPECT_EQ(cases[i].expected_english,
79              UTF16ToUTF8(FormatDouble(cases[i].number, cases[i].frac_digits)));
80    i18n::SetICUDefaultLocale("de");
81    testing::ResetFormatters();
82    EXPECT_EQ(cases[i].expected_german,
83              UTF16ToUTF8(FormatDouble(cases[i].number, cases[i].frac_digits)));
84  }
85}
86
87}  // namespace
88}  // namespace base
89