| /* |
| * Copyright (C) 2012 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 <gtest/gtest.h> |
| |
| #include <errno.h> |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| |
| TEST(stdio, tmpfile_fileno_fprintf_rewind_fgets) { |
| FILE* fp = tmpfile(); |
| ASSERT_TRUE(fp != NULL); |
| |
| int fd = fileno(fp); |
| ASSERT_NE(fd, -1); |
| |
| struct stat sb; |
| int rc = fstat(fd, &sb); |
| ASSERT_NE(rc, -1); |
| ASSERT_EQ(sb.st_mode & 0777, 0600U); |
| |
| rc = fprintf(fp, "hello\n"); |
| ASSERT_EQ(rc, 6); |
| |
| rewind(fp); |
| |
| char buf[16]; |
| char* s = fgets(buf, sizeof(buf), fp); |
| ASSERT_TRUE(s != NULL); |
| ASSERT_STREQ("hello\n", s); |
| |
| fclose(fp); |
| } |