xref: /aosp_15_r20/system/libbase/stringprintf_test.cpp (revision 8f0ba417480079999ba552f1087ae592091b9d02)
1  /*
2   * Copyright (C) 2011 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/stringprintf.h"
18  
19  #include <gtest/gtest.h>
20  
21  #include <string>
22  
TEST(StringPrintfTest,HexSizeT)23  TEST(StringPrintfTest, HexSizeT) {
24    size_t size = 0x00107e59;
25    EXPECT_EQ("00107e59", android::base::StringPrintf("%08zx", size));
26    EXPECT_EQ("0x00107e59", android::base::StringPrintf("0x%08zx", size));
27  }
28  
TEST(StringPrintfTest,StringAppendF)29  TEST(StringPrintfTest, StringAppendF) {
30    std::string s("a");
31    android::base::StringAppendF(&s, "b");
32    EXPECT_EQ("ab", s);
33  }
34  
TEST(StringPrintfTest,Errno)35  TEST(StringPrintfTest, Errno) {
36    errno = 123;
37    android::base::StringPrintf("hello %s", "world");
38    EXPECT_EQ(123, errno);
39  }
40  
TestN(size_t n)41  void TestN(size_t n) {
42    char* buf = new char[n + 1];
43    memset(buf, 'x', n);
44    buf[n] = '\0';
45    std::string s(android::base::StringPrintf("%s", buf));
46    EXPECT_EQ(buf, s);
47    delete[] buf;
48  }
49  
TEST(StringPrintfTest,At1023)50  TEST(StringPrintfTest, At1023) {
51    TestN(1023);
52  }
53  
TEST(StringPrintfTest,At1024)54  TEST(StringPrintfTest, At1024) {
55    TestN(1024);
56  }
57  
TEST(StringPrintfTest,At1025)58  TEST(StringPrintfTest, At1025) {
59    TestN(1025);
60  }
61