175 lines
7.2 KiB
Java
175 lines
7.2 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 BufferDoubleOffsettedAccessorsTest extends BufferTestSupport {
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@ParameterizedTest
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@MethodSource("allocators")
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void offsettedGetOfDoubleMustBoundsCheckOnNegativeOffset(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.getDouble(-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 offsettedGetOfDoubleReadOnlyMustBoundsCheckOnNegativeOffset(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().getDouble(-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 offsettedGetOfDoubleMustNotBoundsCheckWhenReadOffsetAndSizeIsEqualToWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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double value = Double.longBitsToDouble(0x0102030405060708L);
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buf.writeDouble(value);
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assertEquals(value, buf.getDouble(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 offsettedGetOfDoubleMustReadWithDefaultEndianByteOrder(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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double value = Double.longBitsToDouble(0x0102030405060708L);
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buf.writeDouble(value);
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buf.setByte(0, (byte) 0x10);
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assertEquals(Double.longBitsToDouble(0x1002030405060708L), buf.getDouble(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 offsettedGetOfDoubleMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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double value = Double.longBitsToDouble(0x0102030405060708L);
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buf.writeDouble(value);
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assertThrows(IndexOutOfBoundsException.class, () -> buf.getDouble(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 offsettedGetOfDoubleReadOnlyMustBoundsCheckWhenReadOffsetAndSizeIsGreaterThanWriteOffset(Fixture fixture) {
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try (BufferAllocator allocator = fixture.createAllocator();
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Buffer buf = allocator.allocate(8)) {
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double value = Double.longBitsToDouble(0x0102030405060708L);
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buf.writeDouble(value);
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assertThrows(IndexOutOfBoundsException.class, () -> buf.makeReadOnly().getDouble(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 offsettedGetOfDoubleMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(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.getDouble(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 offsettedGetOfDoubleMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(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.getDouble(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 offsettedGetOfDoubleReadOnlyMustNotBoundsCheckWhenReadOffsetIsGreaterThanWriteOffset(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().getDouble(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 offsettedGetOfDoubleReadOnlyMustBoundsCheckWhenReadOffsetIsGreaterThanCapacity(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().getDouble(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 offsettedSetOfDoubleMustBoundsCheckWhenWriteOffsetIsNegative(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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double value = Double.longBitsToDouble(0x0102030405060708L);
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assertThrows(IndexOutOfBoundsException.class, () -> buf.setDouble(-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 offsettedSetOfDoubleMustBoundsCheckWhenWriteOffsetAndSizeIsBeyondCapacity(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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double value = Double.longBitsToDouble(0x0102030405060708L);
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assertThrows(IndexOutOfBoundsException.class, () -> buf.setDouble(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 offsettedSetOfDoubleMustHaveDefaultEndianByteOrder(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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double value = Double.longBitsToDouble(0x0102030405060708L);
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buf.setDouble(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) 0x05, buf.readByte());
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assertEquals((byte) 0x06, buf.readByte());
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assertEquals((byte) 0x07, buf.readByte());
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assertEquals((byte) 0x08, buf.readByte());
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}
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}
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}
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