netty-incubator-buffer-api/buffer-tests/src/test/java/io/netty/buffer/api/tests/BufferMediumOffsettedAccess...

358 lines
14 KiB
Java

/*
* Copyright 2021 The Netty Project
*
* The Netty Project licenses this file to you 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:
*
* https://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.
*/
package io.netty.buffer.api.tests;
import io.netty.buffer.api.Buffer;
import io.netty.buffer.api.BufferAllocator;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class BufferMediumOffsettedAccessorsTest extends BufferTestSupport {
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumMustBoundsCheckOnNegativeOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.getMedium(-1));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumReadOnlyMustBoundsCheckOnNegativeOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getMedium(-1));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumMustNotBoundsCheckWhenReadOffsetAndSizeIsEqualToWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeMedium(value);
assertEquals(value, buf.getMedium(0));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumMustReadWithDefaultEndianByteOrder(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeMedium(value);
buf.setByte(0, (byte) 0x10);
assertEquals(0x100203, buf.getMedium(0));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumMustNotBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeMedium(value);
buf.getMedium(1);
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanCapacity(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeMedium(value);
assertThrows(IndexOutOfBoundsException.class, () -> buf.getMedium(6));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumReadOnlyMustNotBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeMedium(value);
buf.makeReadOnly().getMedium(1);
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumReadOnlyMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanCapacity(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getMedium(6));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
buf.getMedium(0);
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.getMedium(8));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumReadOnlyMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
buf.makeReadOnly().getMedium(0);
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfMediumReadOnlyMustBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getMedium(8));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumMustBoundsCheckOnNegativeOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.getUnsignedMedium(-1));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumReadOnlyMustBoundsCheckOnNegativeOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getUnsignedMedium(-1));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumMustNotBoundsCheckWhenReadOffsetAndSizeIsEqualToWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeUnsignedMedium(value);
assertEquals(value, buf.getUnsignedMedium(0));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumMustReadWithDefaultEndianByteOrder(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeUnsignedMedium(value);
buf.setByte(0, (byte) 0x10);
assertEquals(0x100203, buf.getUnsignedMedium(0));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumMustNotBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeUnsignedMedium(value);
buf.getUnsignedMedium(1);
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanCapacity(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.getUnsignedMedium(6));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumReadOnlyMustNotBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(
Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.writeUnsignedMedium(value);
buf.makeReadOnly().getUnsignedMedium(1);
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumReadOnlyMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanCapacity(
Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getUnsignedMedium(6));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
buf.getUnsignedMedium(0);
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.getUnsignedMedium(6));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumReadOnlyMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
buf.makeReadOnly().getUnsignedMedium(0);
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedGetOfUnsignedMediumReadOnlyMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getUnsignedMedium(8));
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedSetOfMediumMustBoundsCheckWhenWriteOffsetIsNegative(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertEquals(Long.BYTES, buf.capacity());
int value = 0x010203;
assertThrows(IndexOutOfBoundsException.class, () -> buf.setMedium(-1, value));
buf.writerOffset(Long.BYTES);
// Verify contents are unchanged.
assertEquals(0, buf.readLong());
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedSetOfMediumMustBoundsCheckWhenWriteOffsetAndSizeIsBeyondCapacity(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertEquals(Long.BYTES, buf.capacity());
int value = 0x010203;
assertThrows(IndexOutOfBoundsException.class, () -> buf.setMedium(6, value));
buf.writerOffset(Long.BYTES);
// Verify contents are unchanged.
assertEquals(0, buf.readLong());
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedSetOfMediumMustHaveDefaultEndianByteOrder(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.setMedium(0, value);
buf.writerOffset(Long.BYTES);
assertEquals((byte) 0x01, buf.readByte());
assertEquals((byte) 0x02, buf.readByte());
assertEquals((byte) 0x03, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedSetOfUnsignedMediumMustBoundsCheckWhenWriteOffsetIsNegative(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertEquals(Long.BYTES, buf.capacity());
int value = 0x010203;
assertThrows(IndexOutOfBoundsException.class, () -> buf.setUnsignedMedium(-1, value));
buf.writerOffset(Long.BYTES);
// Verify contents are unchanged.
assertEquals(0, buf.readLong());
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedSetOfUnsignedMediumMustBoundsCheckWhenWriteOffsetAndSizeIsBeyondCapacity(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
assertEquals(Long.BYTES, buf.capacity());
int value = 0x010203;
assertThrows(IndexOutOfBoundsException.class, () -> buf.setUnsignedMedium(6, value));
buf.writerOffset(Long.BYTES);
// Verify contents are unchanged.
assertEquals(0, buf.readLong());
}
}
@ParameterizedTest
@MethodSource("allocators")
void offsettedSetOfUnsignedMediumMustHaveDefaultEndianByteOrder(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int value = 0x010203;
buf.setUnsignedMedium(0, value);
buf.writerOffset(Long.BYTES);
assertEquals((byte) 0x01, buf.readByte());
assertEquals((byte) 0x02, buf.readByte());
assertEquals((byte) 0x03, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
assertEquals((byte) 0x00, buf.readByte());
}
}
}