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 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 29 TEST(StringPrintfTest, StringAppendF) { 30 std::string s("a"); 31 android::base::StringAppendF(&s, "b"); 32 EXPECT_EQ("ab", s); 33 } 34 35 TEST(StringPrintfTest, Errno) { 36 errno = 123; 37 android::base::StringPrintf("hello %s", "world"); 38 EXPECT_EQ(123, errno); 39 } 40 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 50 TEST(StringPrintfTest, At1023) { 51 TestN(1023); 52 } 53 54 TEST(StringPrintfTest, At1024) { 55 TestN(1024); 56 } 57 58 TEST(StringPrintfTest, At1025) { 59 TestN(1025); 60 } 61