343 lines
14 KiB
Java
343 lines
14 KiB
Java
/*
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* Copyright 2021 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer.api.tests;
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import io.netty.buffer.api.Buffer;
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import io.netty.buffer.api.BufferAllocator;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.MethodSource;
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import static java.nio.ByteOrder.BIG_ENDIAN;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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public class BufferIntOffsettedAccessorsTest extends BufferTestSupport {
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntMustBoundsCheckOnNegativeOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.getInt(-1));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntReadOnlyMustBoundsCheckOnNegativeOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getInt(-1));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntMustNotBoundsCheckWhenReadOffsetAndSizeIsEqualToWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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int value = 0x01020304;
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buf.writeInt(value);
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assertEquals(value, buf.getInt(0));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntMustReadWithDefaultEndianByteOrder(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.order(BIG_ENDIAN);
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int value = 0x01020304;
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buf.writeInt(value);
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buf.setByte(0, (byte) 0x10);
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assertEquals(0x10020304, buf.getInt(0));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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int value = 0x01020304;
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buf.writeInt(value);
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assertThrows(IndexOutOfBoundsException.class, () -> buf.getInt(-1));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntReadOnlyMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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int value = 0x01020304;
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buf.writeInt(value);
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assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getInt(-1));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.getInt(0);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.getInt(8));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntReadOnlyMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.makeReadOnly().getInt(0);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfIntReadOnlyMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getInt(8));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntMustBoundsCheckOnNegativeOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.getUnsignedInt(-1));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntReadOnlyMustBoundsCheckOnNegativeOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getUnsignedInt(-1));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntMustNotBoundsCheckWhenReadOffsetAndSizeIsEqualToWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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long value = 0x01020304;
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buf.writeUnsignedInt(value);
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assertEquals(value, buf.getUnsignedInt(0));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntMustReadWithDefaultEndianByteOrder(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.order(BIG_ENDIAN);
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long value = 0x01020304;
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buf.writeUnsignedInt(value);
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buf.setByte(0, (byte) 0x10);
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assertEquals(0x10020304, buf.getUnsignedInt(0));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntMustNotBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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long value = 0x01020304;
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buf.writeUnsignedInt(value);
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buf.getUnsignedInt(1);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanCapacity(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.getUnsignedInt(5));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntReadOnlyMustNotBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(
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Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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long value = 0x01020304;
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buf.writeUnsignedInt(value);
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buf.makeReadOnly().getUnsignedInt(1);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntReadOnlyMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanCapacity(
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Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getUnsignedInt(5));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.getUnsignedInt(0);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.getUnsignedInt(8));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntReadOnlyMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.makeReadOnly().getUnsignedInt(0);
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfUnsignedIntReadOnlyMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getUnsignedInt(8));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedSetOfIntMustBoundsCheckWhenWriteOffsetIsNegative(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertEquals(Long.BYTES, buf.capacity());
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int value = 0x01020304;
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assertThrows(IndexOutOfBoundsException.class, () -> buf.setInt(-1, value));
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buf.writerOffset(Long.BYTES);
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// Verify contents are unchanged.
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assertEquals(0, buf.readLong());
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedSetOfIntMustBoundsCheckWhenWriteOffsetAndSizeIsBeyondCapacity(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertEquals(Long.BYTES, buf.capacity());
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int value = 0x01020304;
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assertThrows(IndexOutOfBoundsException.class, () -> buf.setInt(5, value));
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buf.writerOffset(Long.BYTES);
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// Verify contents are unchanged.
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assertEquals(0, buf.readLong());
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedSetOfIntMustHaveDefaultEndianByteOrder(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.order(BIG_ENDIAN);
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int value = 0x01020304;
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buf.setInt(0, value);
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buf.writerOffset(Long.BYTES);
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assertEquals((byte) 0x01, buf.readByte());
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assertEquals((byte) 0x02, buf.readByte());
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assertEquals((byte) 0x03, buf.readByte());
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assertEquals((byte) 0x04, buf.readByte());
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assertEquals((byte) 0x00, buf.readByte());
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assertEquals((byte) 0x00, buf.readByte());
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assertEquals((byte) 0x00, buf.readByte());
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assertEquals((byte) 0x00, buf.readByte());
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedSetOfUnsignedIntMustBoundsCheckWhenWriteOffsetIsNegative(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertEquals(Long.BYTES, buf.capacity());
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long value = 0x01020304;
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assertThrows(IndexOutOfBoundsException.class, () -> buf.setUnsignedInt(-1, value));
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buf.writerOffset(Long.BYTES);
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// Verify contents are unchanged.
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assertEquals(0, buf.readLong());
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedSetOfUnsignedIntMustBoundsCheckWhenWriteOffsetAndSizeIsBeyondCapacity(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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assertEquals(Long.BYTES, buf.capacity());
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long value = 0x01020304;
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assertThrows(IndexOutOfBoundsException.class, () -> buf.setUnsignedInt(5, value));
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buf.writerOffset(Long.BYTES);
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// Verify contents are unchanged.
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assertEquals(0, buf.readLong());
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedSetOfUnsignedIntMustHaveDefaultEndianByteOrder(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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buf.order(BIG_ENDIAN);
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long value = 0x01020304;
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buf.setUnsignedInt(0, value);
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buf.writerOffset(Long.BYTES);
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assertEquals((byte) 0x01, buf.readByte());
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assertEquals((byte) 0x02, buf.readByte());
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assertEquals((byte) 0x03, buf.readByte());
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assertEquals((byte) 0x04, buf.readByte());
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assertEquals((byte) 0x00, buf.readByte());
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assertEquals((byte) 0x00, buf.readByte());
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assertEquals((byte) 0x00, buf.readByte());
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assertEquals((byte) 0x00, buf.readByte());
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}
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}
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}
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