62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef GVISOR_TEST_SYSCALLS_READV_COMMON_H_
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#define GVISOR_TEST_SYSCALLS_READV_COMMON_H_
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#include <stddef.h>
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namespace gvisor {
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namespace testing {
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// A NUL-terminated string containing the data used by tests using the following
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// test helpers.
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extern const char kReadvTestData[];
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// The size of kReadvTestData, including the terminating NUL.
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extern const size_t kReadvTestDataSize;
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// ReadAllOneBuffer asserts that it can read kReadvTestData from an fd using
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// exactly one iovec.
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void ReadAllOneBuffer(int fd);
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// ReadAllOneLargeBuffer asserts that it can read kReadvTestData from an fd
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// using exactly one iovec containing an overly large buffer.
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void ReadAllOneLargeBuffer(int fd);
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// ReadOneHalfAtATime asserts that it can read test_data_from an fd using
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// exactly two iovecs that are roughly equivalent in size.
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void ReadOneHalfAtATime(int fd);
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// ReadOneBufferPerByte asserts that it can read kReadvTestData from an fd
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// using one iovec per byte.
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void ReadOneBufferPerByte(int fd);
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// ReadBuffersOverlapping asserts that it can read kReadvTestData from an fd
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// where two iovecs are overlapping.
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void ReadBuffersOverlapping(int fd);
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// ReadBuffersDiscontinuous asserts that it can read kReadvTestData from an fd
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// where each iovec is discontinuous from the next by 1 byte.
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void ReadBuffersDiscontinuous(int fd);
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// ReadIovecsCompletelyFilled asserts that the previous iovec is completely
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// filled before moving onto the next.
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void ReadIovecsCompletelyFilled(int fd);
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} // namespace testing
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} // namespace gvisor
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#endif // GVISOR_TEST_SYSCALLS_READV_COMMON_H_
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