/* * Copyright (C) 2024 HiHope Open Source Organization. * 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 #include #include #include #include #include #include #include #include #include #include #include #include using namespace testing::ext; static const char *TEST_FILE = "/data/local/tmp/read_head_test.txt"; static const char *TEST_DATA = "Hello world!"; static const int TEST_DATA_LEN = strlen(TEST_DATA); class HatsReadaheadTest : public testing::Test { public: static void SetUpTestCase(); static void TearDownTestCase(); void SetUp(); void TearDown(); private: }; void HatsReadaheadTest::SetUp() { } void HatsReadaheadTest::TearDown() { } void HatsReadaheadTest::SetUpTestCase() { int fd = open(TEST_FILE, O_WRONLY | O_CREAT, 0644); write(fd, TEST_DATA, TEST_DATA_LEN); close(fd); } void HatsReadaheadTest::TearDownTestCase() { (void)remove(TEST_FILE); } /* * @tc.number : SUB_KERNEL_SYSCALL_READAHEAD_0100 * @tc.name : ReadaheadFileSuccess_0001 * @tc.desc : Readahead on a valid fd success. * @tc.size : MediumTest * @tc.type : Function * @tc.level : Level 1 */ HWTEST_F(HatsReadaheadTest, ReadaheadFileSuccess_0001, Function | MediumTest | Level1) { int fd = open(TEST_FILE, O_RDONLY); EXPECT_TRUE(fd > 0); ssize_t size = readahead(fd, 0, TEST_DATA_LEN); EXPECT_EQ(size, 0); size = readahead(fd, TEST_DATA_LEN, TEST_DATA_LEN); EXPECT_EQ(size, 0); close(fd); } /* * @tc.number : SUB_KERNEL_SYSCALL_READAHEAD_0200 * @tc.name : ReadaheadInvalidFdFailed_0002 * @tc.desc : Readahead read with invalid fd failed. * @tc.size : MediumTest * @tc.type : Function * @tc.level : Level 2 */ HWTEST_F(HatsReadaheadTest, ReadaheadInvalidFdFailed_0002, Function | MediumTest | Level2) { errno = 0; ssize_t size = readahead(-1, 0, TEST_DATA_LEN); EXPECT_EQ(size, -1); EXPECT_EQ(errno, EBADF); int fd = open(TEST_FILE, O_WRONLY); EXPECT_TRUE(fd > 0); errno = 0; size = readahead(fd, 0, TEST_DATA_LEN); EXPECT_EQ(size, -1); EXPECT_EQ(errno, EBADF); }