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
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "util.h"
#include <errno.h>
#include <gtest/gtest.h>
TEST(util, read_file_ENOENT) {
std::string s("hello");
errno = 0;
EXPECT_FALSE(read_file("/proc/does-not-exist", &s));
EXPECT_EQ(ENOENT, errno);
EXPECT_EQ("", s); // s was cleared.
}
TEST(util, read_file_success) {
std::string s("hello");
EXPECT_TRUE(read_file("/proc/version", &s));
EXPECT_GT(s.length(), 6U);
EXPECT_EQ('\n', s[s.length() - 1]);
s[5] = 0;
EXPECT_STREQ("Linux", s.c_str());
}
TEST(util, decode_uid) {
EXPECT_EQ(0U, decode_uid("root"));
EXPECT_EQ(-1U, decode_uid("toot"));
EXPECT_EQ(123U, decode_uid("123"));
}
|
