1570af302Sopenharmony_ci/* 2570af302Sopenharmony_ci * Copyright (C) 2022 Huawei Device Co., Ltd. 3570af302Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4570af302Sopenharmony_ci * you may not use this file except in compliance with the License. 5570af302Sopenharmony_ci * You may obtain a copy of the License at 6570af302Sopenharmony_ci * 7570af302Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8570af302Sopenharmony_ci * 9570af302Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10570af302Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11570af302Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12570af302Sopenharmony_ci * See the License for the specific language governing permissions and 13570af302Sopenharmony_ci * limitations under the License. 14570af302Sopenharmony_ci */ 15570af302Sopenharmony_ci 16570af302Sopenharmony_ci#include <fcntl.h> 17570af302Sopenharmony_ci#include <stdio_ext.h> 18570af302Sopenharmony_ci#include "functionalext.h" 19570af302Sopenharmony_ci 20570af302Sopenharmony_ciconst int32_t INIT_LEN = 0; 21570af302Sopenharmony_ci 22570af302Sopenharmony_ci/** 23570af302Sopenharmony_ci * @tc.name : flushlbf_0100 24570af302Sopenharmony_ci * @tc.desc : Verify that flushing the line buffer was successful. 25570af302Sopenharmony_ci * @tc.level : Level 0 26570af302Sopenharmony_ci */ 27570af302Sopenharmony_civoid flushlbf_0100(void) 28570af302Sopenharmony_ci{ 29570af302Sopenharmony_ci char buffer[1024] = {0}; 30570af302Sopenharmony_ci char array[] = "This is a test!"; 31570af302Sopenharmony_ci const char *path = "/data/test.txt"; 32570af302Sopenharmony_ci 33570af302Sopenharmony_ci FILE *fd = fopen(path, "w+"); 34570af302Sopenharmony_ci EXPECT_PTRNE("flushlbf_0100", fd, NULL); 35570af302Sopenharmony_ci 36570af302Sopenharmony_ci fprintf(fd, "%s", array); 37570af302Sopenharmony_ci FILE *fp = freopen("/data/test.txt", "r", stdin); 38570af302Sopenharmony_ci EXPECT_PTRNE("flushlbf_0100", fp, NULL); 39570af302Sopenharmony_ci 40570af302Sopenharmony_ci fseek(fp, 0, SEEK_SET); 41570af302Sopenharmony_ci int32_t rsize = fread(buffer, 1, 10, fd); 42570af302Sopenharmony_ci EXPECT_EQ("flushlbf_0100", rsize, INIT_LEN); 43570af302Sopenharmony_ci 44570af302Sopenharmony_ci _flushlbf(); 45570af302Sopenharmony_ci 46570af302Sopenharmony_ci fseek(fp, 0, SEEK_SET); 47570af302Sopenharmony_ci fread(buffer, 1, 20, fp); 48570af302Sopenharmony_ci EXPECT_STREQ("flushlbf_0100", buffer, array); 49570af302Sopenharmony_ci 50570af302Sopenharmony_ci fclose(stdin); 51570af302Sopenharmony_ci fclose(fd); 52570af302Sopenharmony_ci fclose(fp); 53570af302Sopenharmony_ci remove(path); 54570af302Sopenharmony_ci} 55570af302Sopenharmony_ci 56570af302Sopenharmony_ciint main(int argc, char *argv[]) 57570af302Sopenharmony_ci{ 58570af302Sopenharmony_ci flushlbf_0100(); 59570af302Sopenharmony_ci return t_status; 60570af302Sopenharmony_ci} 61