1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/language_usage_metrics/language_usage_metrics.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace language_usage_metrics {
TEST(LanguageUsageMetricsTest, ParseAcceptLanguages) {
std::set<int> language_set;
std::set<int>::const_iterator it;
const int ENGLISH = 25966;
const int SPANISH = 25971;
const int JAPANESE = 27233;
// Basic single language case.
LanguageUsageMetrics::ParseAcceptLanguages("ja", &language_set);
EXPECT_EQ(1U, language_set.size());
EXPECT_EQ(JAPANESE, *language_set.begin());
// Empty language.
LanguageUsageMetrics::ParseAcceptLanguages(std::string(), &language_set);
EXPECT_EQ(0U, language_set.size());
// Country code is ignored.
LanguageUsageMetrics::ParseAcceptLanguages("ja-JP", &language_set);
EXPECT_EQ(1U, language_set.size());
EXPECT_EQ(JAPANESE, *language_set.begin());
// Case is ignored.
LanguageUsageMetrics::ParseAcceptLanguages("Ja-jP", &language_set);
EXPECT_EQ(1U, language_set.size());
EXPECT_EQ(JAPANESE, *language_set.begin());
// Underscore as the separator.
LanguageUsageMetrics::ParseAcceptLanguages("ja_JP", &language_set);
EXPECT_EQ(1U, language_set.size());
EXPECT_EQ(JAPANESE, *language_set.begin());
// The result contains a same language code only once.
LanguageUsageMetrics::ParseAcceptLanguages("ja-JP,ja", &language_set);
EXPECT_EQ(1U, language_set.size());
EXPECT_EQ(JAPANESE, *language_set.begin());
// Basic two languages case.
LanguageUsageMetrics::ParseAcceptLanguages("en,ja", &language_set);
EXPECT_EQ(2U, language_set.size());
it = language_set.begin();
EXPECT_EQ(ENGLISH, *it);
EXPECT_EQ(JAPANESE, *++it);
// Multiple languages.
LanguageUsageMetrics::ParseAcceptLanguages("ja-JP,en,es,ja,en-US",
&language_set);
EXPECT_EQ(3U, language_set.size());
it = language_set.begin();
EXPECT_EQ(ENGLISH, *it);
EXPECT_EQ(SPANISH, *++it);
EXPECT_EQ(JAPANESE, *++it);
// Two empty languages.
LanguageUsageMetrics::ParseAcceptLanguages(",", &language_set);
EXPECT_EQ(0U, language_set.size());
// Trailing comma.
LanguageUsageMetrics::ParseAcceptLanguages("ja,", &language_set);
EXPECT_EQ(1U, language_set.size());
EXPECT_EQ(JAPANESE, *language_set.begin());
// Leading comma.
LanguageUsageMetrics::ParseAcceptLanguages(",es", &language_set);
EXPECT_EQ(1U, language_set.size());
EXPECT_EQ(SPANISH, *language_set.begin());
// Combination of invalid and valid.
LanguageUsageMetrics::ParseAcceptLanguages("1234,en", &language_set);
EXPECT_EQ(1U, language_set.size());
it = language_set.begin();
EXPECT_EQ(ENGLISH, *it);
}
TEST(LanguageUsageMetricsTest, ToLanguageCode) {
const int SPANISH = 25971;
const int JAPANESE = 27233;
// Basic case.
EXPECT_EQ(JAPANESE, LanguageUsageMetrics::ToLanguageCode("ja"));
// Case is ignored.
EXPECT_EQ(SPANISH, LanguageUsageMetrics::ToLanguageCode("Es"));
// Coutry code is ignored.
EXPECT_EQ(JAPANESE, LanguageUsageMetrics::ToLanguageCode("ja-JP"));
// Invalid locales are considered as unknown language.
EXPECT_EQ(0, LanguageUsageMetrics::ToLanguageCode(std::string()));
EXPECT_EQ(0, LanguageUsageMetrics::ToLanguageCode("1234"));
// "xx" is not acceptable because it doesn't exist in ISO 639-1 table.
// However, LanguageUsageMetrics doesn't tell what code is valid.
EXPECT_EQ(30840, LanguageUsageMetrics::ToLanguageCode("xx"));
}
} // namespace language_usage_metrics
|
