193 lines
7.5 KiB
Java
193 lines
7.5 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 BufferCharOffsettedAccessorsTest extends BufferTestSupport {
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfCharMustBoundsCheckOnNegativeOffset(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.getChar(-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 offsettedGetOfCharReadOnlyMustBoundsCheckOnNegativeOffset(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().getChar(-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 offsettedGetOfCharMustNotBoundsCheckWhenReadOffsetAndSizeIsEqualToWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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char value = 0x0102;
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buf.writeChar(value);
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assertEquals(value, buf.getChar(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 offsettedGetOfCharMustReadWithDefaultEndianByteOrder(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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char value = 0x0102;
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buf.writeChar(value);
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buf.setByte(0, (byte) 0x10);
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assertEquals(0x1002, buf.getChar(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 offsettedGetOfCharMustNotBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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char value = 0x0102;
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buf.writeChar(value);
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buf.getChar(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 offsettedGetOfCharMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanCapacity(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.getChar(7));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfCharReadOnlyMustNotBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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char value = 0x0102;
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buf.writeChar(value);
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buf.makeReadOnly().getChar(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 offsettedGetOfCharReadOnlyMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanCapacity(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().getChar(7));
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}
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}
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfCharMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(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.getChar(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 offsettedGetOfCharMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(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.getChar(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 offsettedGetOfCharReadOnlyMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(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().getChar(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 offsettedGetOfCharReadOnlyMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(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().getChar(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 offsettedSetOfCharMustBoundsCheckWhenWriteOffsetIsNegative(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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char value = 0x0102;
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assertThrows(IndexOutOfBoundsException.class, () -> buf.setChar(-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 offsettedSetOfCharMustBoundsCheckWhenWriteOffsetAndSizeIsBeyondCapacity(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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char value = 0x0102;
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assertThrows(IndexOutOfBoundsException.class, () -> buf.setChar(7, 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 offsettedSetOfCharMustHaveDefaultEndianByteOrder(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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char value = 0x0102;
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buf.setChar(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) 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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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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