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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/process/environment_internal.h"
#include <memory>
#include <vector>
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
using EnvironmentInternalTest = PlatformTest;
namespace base::internal {
#if BUILDFLAG(IS_WIN)
namespace {
void ExpectEnvironmentBlock(const std::vector<std::wstring>& vars,
const std::wstring& block) {
std::wstring expected;
for (const auto& var : vars) {
expected += var;
expected.push_back('\0');
}
expected.push_back('\0');
EXPECT_EQ(expected, block);
}
} // namespace
TEST_F(EnvironmentInternalTest, AlterEnvironment) {
const wchar_t empty[] = {'\0'};
const wchar_t a2[] = {'A', '=', '2', '\0', '\0'};
const wchar_t a2b3[] = {'A', '=', '2', '\0', 'B', '=', '3', '\0', '\0'};
EnvironmentMap changes;
NativeEnvironmentString e;
e = AlterEnvironment(empty, changes);
ExpectEnvironmentBlock({}, e);
changes[L"A"] = L"1";
e = AlterEnvironment(empty, changes);
ExpectEnvironmentBlock({L"A=1"}, e);
changes.clear();
changes[L"A"] = std::wstring();
e = AlterEnvironment(empty, changes);
ExpectEnvironmentBlock({}, e);
changes.clear();
e = AlterEnvironment(a2, changes);
ExpectEnvironmentBlock({L"A=2"}, e);
changes.clear();
changes[L"A"] = L"1";
e = AlterEnvironment(a2, changes);
ExpectEnvironmentBlock({L"A=1"}, e);
changes.clear();
changes[L"A"] = std::wstring();
e = AlterEnvironment(a2, changes);
ExpectEnvironmentBlock({}, e);
changes.clear();
changes[L"A"] = std::wstring();
changes[L"B"] = std::wstring();
e = AlterEnvironment(a2b3, changes);
ExpectEnvironmentBlock({}, e);
changes.clear();
changes[L"A"] = std::wstring();
e = AlterEnvironment(a2b3, changes);
ExpectEnvironmentBlock({L"B=3"}, e);
changes.clear();
changes[L"B"] = std::wstring();
e = AlterEnvironment(a2b3, changes);
ExpectEnvironmentBlock({L"A=2"}, e);
changes.clear();
changes[L"A"] = L"1";
changes[L"C"] = L"4";
e = AlterEnvironment(a2b3, changes);
// AlterEnvironment() currently always puts changed entries at the end.
ExpectEnvironmentBlock({L"B=3", L"A=1", L"C=4"}, e);
}
#else // !BUILDFLAG(IS_WIN)
TEST_F(EnvironmentInternalTest, AlterEnvironment) {
const char* const empty[] = {nullptr};
const char* const a2[] = {"A=2", nullptr};
const char* const a2b3[] = {"A=2", "B=3", nullptr};
EnvironmentMap changes;
base::HeapArray<char*> e;
e = AlterEnvironment(empty, changes);
EXPECT_TRUE(e[0] == nullptr);
changes["A"] = "1";
e = AlterEnvironment(empty, changes);
EXPECT_EQ(std::string("A=1"), e[0]);
EXPECT_TRUE(e[1] == nullptr);
changes.clear();
changes["A"] = std::string();
e = AlterEnvironment(empty, changes);
EXPECT_TRUE(e[0] == nullptr);
changes.clear();
e = AlterEnvironment(a2, changes);
EXPECT_EQ(std::string("A=2"), e[0]);
EXPECT_TRUE(e[1] == nullptr);
changes.clear();
changes["A"] = "1";
e = AlterEnvironment(a2, changes);
EXPECT_EQ(std::string("A=1"), e[0]);
EXPECT_TRUE(e[1] == nullptr);
changes.clear();
changes["A"] = std::string();
e = AlterEnvironment(a2, changes);
EXPECT_TRUE(e[0] == nullptr);
changes.clear();
changes["A"] = std::string();
changes["B"] = std::string();
e = AlterEnvironment(a2b3, changes);
EXPECT_TRUE(e[0] == nullptr);
changes.clear();
changes["A"] = std::string();
e = AlterEnvironment(a2b3, changes);
EXPECT_EQ(std::string("B=3"), e[0]);
EXPECT_TRUE(e[1] == nullptr);
changes.clear();
changes["B"] = std::string();
e = AlterEnvironment(a2b3, changes);
EXPECT_EQ(std::string("A=2"), e[0]);
EXPECT_TRUE(e[1] == nullptr);
changes.clear();
changes["A"] = "1";
changes["C"] = "4";
e = AlterEnvironment(a2b3, changes);
EXPECT_EQ(std::string("B=3"), e[0]);
// AlterEnvironment() currently always puts changed entries at the end.
EXPECT_EQ(std::string("A=1"), e[1]);
EXPECT_EQ(std::string("C=4"), e[2]);
EXPECT_TRUE(e[3] == nullptr);
}
#endif // BUILDFLAG(IS_WIN)
} // namespace base::internal
|
