1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "android-base/parseint.h"
18
19 #include <gtest/gtest.h>
20
TEST(parseint,signed_smoke)21 TEST(parseint, signed_smoke) {
22 int i = 0;
23 ASSERT_FALSE(android::base::ParseInt("x", &i));
24 ASSERT_FALSE(android::base::ParseInt("123x", &i));
25
26 ASSERT_TRUE(android::base::ParseInt("123", &i));
27 ASSERT_EQ(123, i);
28 ASSERT_TRUE(android::base::ParseInt("-123", &i));
29 ASSERT_EQ(-123, i);
30
31 short s = 0;
32 ASSERT_TRUE(android::base::ParseInt("1234", &s));
33 ASSERT_EQ(1234, s);
34
35 ASSERT_TRUE(android::base::ParseInt("12", &i, 0, 15));
36 ASSERT_EQ(12, i);
37 ASSERT_FALSE(android::base::ParseInt("-12", &i, 0, 15));
38 ASSERT_FALSE(android::base::ParseInt("16", &i, 0, 15));
39 }
40
TEST(parseint,unsigned_smoke)41 TEST(parseint, unsigned_smoke) {
42 unsigned int i = 0u;
43 ASSERT_FALSE(android::base::ParseUint("x", &i));
44 ASSERT_FALSE(android::base::ParseUint("123x", &i));
45
46 ASSERT_TRUE(android::base::ParseUint("123", &i));
47 ASSERT_EQ(123u, i);
48 ASSERT_FALSE(android::base::ParseUint("-123", &i));
49
50 unsigned short s = 0u;
51 ASSERT_TRUE(android::base::ParseUint("1234", &s));
52 ASSERT_EQ(1234u, s);
53
54 ASSERT_TRUE(android::base::ParseUint("12", &i, 15u));
55 ASSERT_EQ(12u, i);
56 ASSERT_FALSE(android::base::ParseUint("-12", &i, 15u));
57 ASSERT_FALSE(android::base::ParseUint("16", &i, 15u));
58 }
59
TEST(parseint,no_implicit_octal)60 TEST(parseint, no_implicit_octal) {
61 int i = 0;
62 ASSERT_TRUE(android::base::ParseInt("0123", &i));
63 ASSERT_EQ(123, i);
64
65 unsigned int u = 0u;
66 ASSERT_TRUE(android::base::ParseUint("0123", &u));
67 ASSERT_EQ(123u, u);
68 }
69
TEST(parseint,explicit_hex)70 TEST(parseint, explicit_hex) {
71 int i = 0;
72 ASSERT_TRUE(android::base::ParseInt("0x123", &i));
73 ASSERT_EQ(0x123, i);
74
75 unsigned int u = 0u;
76 ASSERT_TRUE(android::base::ParseUint("0x123", &u));
77 ASSERT_EQ(0x123u, u);
78 }
79
TEST(parseint,string)80 TEST(parseint, string) {
81 int i = 0;
82 ASSERT_TRUE(android::base::ParseInt(std::string("123"), &i));
83 ASSERT_EQ(123, i);
84
85 unsigned int u = 0u;
86 ASSERT_TRUE(android::base::ParseUint(std::string("123"), &u));
87 ASSERT_EQ(123u, u);
88 }
89
TEST(parseint,untouched_on_failure)90 TEST(parseint, untouched_on_failure) {
91 int i = 123;
92 ASSERT_FALSE(android::base::ParseInt("456x", &i));
93 ASSERT_EQ(123, i);
94
95 unsigned int u = 123u;
96 ASSERT_FALSE(android::base::ParseInt("456x", &u));
97 ASSERT_EQ(123u, u);
98 }
99