andreacavalli/netty-incubator-buffer-api
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Make tests pass after removing acquire from the public API

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This commit is contained in:
Chris Vest 2021-05-27 11:39:57 +02:00
parent b8cfd0768e
commit bfa8fd0b1f
6 changed files with 67 additions and 200 deletions
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51
buffer-memseg/pom.xml
View File

@ -15,6 +15,34 @@
<name>Netty/Incubator/Buffer MemorySegment</name>
<packaging>jar</packaging>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<compilerVersion>${java.version}</compilerVersion>
<fork>true</fork>
<source>${java.compatibility}</source>
<target>${java.compatibility}</target>
<release>${java.version}</release>
<debug>true</debug>
<optimize>true</optimize>
<showDeprecation>true</showDeprecation>
<showWarnings>true</showWarnings>
<compilerArgument>-Xlint:-options</compilerArgument>
<meminitial>256m</meminitial>
<maxmem>1024m</maxmem>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${surefire.version}</version>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>io.netty.incubator</groupId>
@ -42,27 +70,4 @@
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<compilerVersion>${java.version}</compilerVersion>
<fork>true</fork>
<source>${java.compatibility}</source>
<target>${java.compatibility}</target>
<release>${java.version}</release>
<debug>true</debug>
<optimize>true</optimize>
<showDeprecation>true</showDeprecation>
<showWarnings>true</showWarnings>
<compilerArgument>-Xlint:-options</compilerArgument>
<meminitial>256m</meminitial>
<maxmem>1024m</maxmem>
</configuration>
</plugin>
</plugins>
</build>
</project>

1
buffer-tests/pom.xml
View File

@ -31,7 +31,6 @@
<packaging>jar</packaging>
<properties>
<surefire.version>3.0.0-M5</surefire.version>
<skipTests>false</skipTests>
<argLine.common>
-XX:+HeapDumpOnOutOfMemoryError

144
buffer-tests/src/test/java/io/netty/buffer/api/tests/BufferCompositionTest.java
View File

@ -29,47 +29,21 @@ import static io.netty.buffer.api.internal.Statics.asRS;
import static java.nio.ByteOrder.BIG_ENDIAN;
import static java.nio.ByteOrder.LITTLE_ENDIAN;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class BufferCompositionTest extends BufferTestSupport {
@Test
public void compositeBufferCanOnlyBeOwnedWhenAllConstituentBuffersAreOwned() {
try (BufferAllocator allocator = BufferAllocator.heap()) {
var composite = asRS(CompositeBuffer.compose(allocator));
try (var a = asRS(allocator.allocate(8))) {
assertTrue(a.isOwned());
Buffer leakB;
try (var b = asRS(allocator.allocate(8))) {
assertTrue(a.isOwned());
assertTrue(b.isOwned());
composite = asRS(CompositeBuffer.compose(allocator, a.send(), b.send()));
assertFalse(composite.isOwned());
assertFalse(a.isOwned());
assertFalse(b.isOwned());
leakB = b;
}
assertFalse(composite.isOwned());
assertFalse(a.isOwned());
assertTrue(asRS(leakB).isOwned());
}
assertTrue(composite.isOwned());
}
}
@Test
public void compositeBuffersCannotHaveDuplicateComponents() {
try (BufferAllocator allocator = BufferAllocator.heap()) {
Send<Buffer> a = allocator.allocate(4).send();
var e = assertThrows(IllegalArgumentException.class, () -> CompositeBuffer.compose(allocator, a, a));
assertThat(e).hasMessageContaining("duplicate");
var e = assertThrows(IllegalStateException.class, () -> CompositeBuffer.compose(allocator, a, a));
assertThat(e).hasMessageContaining("already been received");
Send<Buffer> b = allocator.allocate(4).send();
try (CompositeBuffer composite = CompositeBuffer.compose(allocator, b)) {
e = assertThrows(IllegalArgumentException.class,
() -> composite.extendWith(b));
assertThat(e).hasMessageContaining("duplicate");
e = assertThrows(IllegalStateException.class, () -> composite.extendWith(b));
assertThat(e).hasMessageContaining("already been received");
}
}
}
@ -89,28 +63,20 @@ public class BufferCompositionTest extends BufferTestSupport {
@Test
public void compositeBufferMustNotBeAllowedToContainThemselves() {
try (BufferAllocator allocator = BufferAllocator.heap()) {
Buffer a = allocator.allocate(4);
CompositeBuffer buf = CompositeBuffer.compose(allocator, a.send());
try (buf; a) {
a.close();
try {
assertThrows(IllegalArgumentException.class, () -> buf.extendWith(buf.send()));
assertTrue(buf.isOwned());
try (Buffer composite = CompositeBuffer.compose(allocator, buf.send())) {
// the composing increments the reference count of constituent buffers...
// counter-act this, so it can be extended:
a.close(); // buf is now owned, so it can be extended.
try {
assertThrows(IllegalArgumentException.class,
() -> buf.extendWith(composite.send()));
} finally {
asRS(a).acquire(); // restore the reference count to align with our try-with-resources structure.
}
}
assertTrue(buf.isOwned());
} finally {
asRS(a).acquire();
}
CompositeBuffer bufA = CompositeBuffer.compose(allocator, allocator.allocate(4).send());
Send<Buffer> sendA = bufA.send();
try {
assertThrows(IllegalStateException.class, () -> bufA.extendWith(sendA));
} finally {
sendA.discard();
}
CompositeBuffer bufB = CompositeBuffer.compose(allocator, allocator.allocate(4).send());
Send<Buffer> sendB = bufB.send();
try (CompositeBuffer compositeBuffer = CompositeBuffer.compose(allocator, sendB)) {
assertThrows(IllegalStateException.class, () -> compositeBuffer.extendWith(sendB));
} finally {
sendB.discard();
}
}
}
@ -182,7 +148,7 @@ public class BufferCompositionTest extends BufferTestSupport {
composite = CompositeBuffer.compose(allocator, a.send());
}
try (composite) {
var exc = assertThrows(IllegalArgumentException.class,
var exc = assertThrows(IllegalStateException.class,
() -> composite.extendWith(composite.send()));
assertThat(exc).hasMessageContaining("cannot be extended");
}
@ -385,27 +351,25 @@ public class BufferCompositionTest extends BufferTestSupport {
@Test
public void whenExtendingCompositeBufferWithReadOffsetLessThanCapacityExtensionReadOffsetMustZero() {
try (BufferAllocator allocator = BufferAllocator.heap()) {
CompositeBuffer composite;
try (Buffer a = allocator.allocate(8)) {
composite = CompositeBuffer.compose(allocator, a.send());
}
try (composite) {
composite.writeLong(0);
composite.readInt();
try (Buffer b = allocator.allocate(8)) {
b.writeInt(1);
b.readInt();
var exc = assertThrows(IllegalArgumentException.class,
() -> composite.extendWith(b.send()));
assertThat(exc).hasMessageContaining("unread gap");
b.readerOffset(0);
composite.extendWith(b.send());
assertThat(composite.capacity()).isEqualTo(16);
assertThat(composite.writerOffset()).isEqualTo(12);
assertThat(composite.readerOffset()).isEqualTo(4);
}
}
try (BufferAllocator allocator = BufferAllocator.heap();
CompositeBuffer composite = CompositeBuffer.compose(allocator, allocator.allocate(8).send())) {
composite.writeLong(0);
composite.readInt();
Buffer b = allocator.allocate(8);
b.writeInt(1);
b.readInt();
var exc = assertThrows(IllegalArgumentException.class,
() -> composite.extendWith(b.send()));
assertThat(exc).hasMessageContaining("unread gap");
assertThat(composite.capacity()).isEqualTo(8);
assertThat(composite.writerOffset()).isEqualTo(8);
assertThat(composite.readerOffset()).isEqualTo(4);
composite.extendWith(allocator.allocate(8).writeInt(1).send());
assertThat(composite.capacity()).isEqualTo(16);
assertThat(composite.writerOffset()).isEqualTo(12);
assertThat(composite.readerOffset()).isEqualTo(4);
}
}
@ -481,38 +445,6 @@ public class BufferCompositionTest extends BufferTestSupport {
}
}
@Test
public void splitComponentsFloorMustThrowIfCompositeBufferIsNotOwned() {
try (BufferAllocator allocator = BufferAllocator.heap();
Buffer a = allocator.allocate(8);
Buffer b = allocator.allocate(8);
CompositeBuffer composite = CompositeBuffer.compose(allocator, a.send(), b.send())) {
assertThrows(IllegalStateException.class, () -> composite.splitComponentsFloor(0));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsFloor(4));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsFloor(7));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsFloor(8));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsFloor(9));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsFloor(12));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsFloor(16));
}
}
@Test
public void splitComponentsCeilMustThrowIfCompositeBufferIsNotOwned() {
try (BufferAllocator allocator = BufferAllocator.heap();
Buffer a = allocator.allocate(8);
Buffer b = allocator.allocate(8);
CompositeBuffer composite = CompositeBuffer.compose(allocator, a.send(), b.send())) {
assertThrows(IllegalStateException.class, () -> composite.splitComponentsCeil(0));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsCeil(4));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsCeil(7));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsCeil(8));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsCeil(9));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsCeil(12));
assertThrows(IllegalStateException.class, () -> composite.splitComponentsCeil(16));
}
}
@Test
public void splitComponentsFloorMustThrowOnOutOfBounds() {
try (BufferAllocator allocator = BufferAllocator.heap();

17
buffer-tests/src/test/java/io/netty/buffer/api/tests/BufferEnsureWritableTest.java
View File

@ -26,23 +26,6 @@ import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class BufferEnsureWritableTest extends BufferTestSupport {
@ParameterizedTest
@MethodSource("allocators")
public void ensureWritableMustThrowForBorrowedBuffers(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
try (Buffer slice = buf.slice()) {
assertThrows(IllegalStateException.class, () -> slice.ensureWritable(1));
assertThrows(IllegalStateException.class, () -> buf.ensureWritable(1));
}
try (Buffer compose = CompositeBuffer.compose(allocator, buf.send())) {
assertThrows(IllegalStateException.class, () -> compose.ensureWritable(1));
assertThrows(IllegalStateException.class, () -> buf.ensureWritable(1));
}
}
}
@ParameterizedTest
@MethodSource("allocators")
public void ensureWritableMustThrowForNegativeSize(Fixture fixture) {

53
buffer-tests/src/test/java/io/netty/buffer/api/tests/BufferReferenceCountingTest.java
View File

@ -296,59 +296,6 @@ public class BufferReferenceCountingTest extends BufferTestSupport {
}
}
@ParameterizedTest
@MethodSource("nonCompositeAllocators")
public void acquireComposingAndSlicingMustIncrementBorrows(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
int borrows = countBorrows(buf);
try (Buffer ignored = asRS(buf).acquire()) {
assertEquals(borrows + 1, countBorrows(buf));
try (Buffer slice = buf.slice()) {
assertEquals(0, slice.capacity()); // We haven't written anything, so the slice is empty.
int sliceBorrows = countBorrows(slice);
assertEquals(borrows + 2, countBorrows(buf));
try (Buffer ignored1 = CompositeBuffer.compose(allocator, buf.send(), slice.send())) {
assertEquals(borrows + 3, countBorrows(buf));
// Note: Slice is empty; not acquired by the composite buffer.
assertEquals(sliceBorrows, countBorrows(slice));
}
assertEquals(sliceBorrows, countBorrows(slice));
assertEquals(borrows + 2, countBorrows(buf));
}
assertEquals(borrows + 1, countBorrows(buf));
}
assertEquals(borrows, countBorrows(buf));
}
}
@ParameterizedTest
@MethodSource("nonCompositeAllocators")
public void acquireComposingAndSlicingMustIncrementBorrowsWithData(Fixture fixture) {
try (BufferAllocator allocator = fixture.createAllocator();
Buffer buf = allocator.allocate(8)) {
buf.writeByte((byte) 1);
int borrows = countBorrows(buf);
try (Buffer ignored = asRS(buf).acquire()) {
assertEquals(borrows + 1, countBorrows(buf));
try (Buffer slice = buf.slice()) {
assertEquals(1, slice.capacity());
int sliceBorrows = countBorrows(slice);
assertEquals(borrows + 2, countBorrows(buf));
try (Buffer ignored1 = CompositeBuffer.compose(allocator, buf.send(), slice.send())) {
assertEquals(borrows + 3, countBorrows(buf));
assertEquals(sliceBorrows + 1, countBorrows(slice));
}
assertEquals(sliceBorrows, countBorrows(slice));
assertEquals(borrows + 2, countBorrows(buf));
}
assertEquals(borrows + 1, countBorrows(buf));
}
assertEquals(borrows, countBorrows(buf));
assertTrue(asRS(buf).isOwned());
}
}
@ParameterizedTest
@MethodSource("allocators")
public void sliceMustBecomeOwnedOnSourceBufferClose(Fixture fixture) {

1
pom.xml
View File

@ -75,6 +75,7 @@
<!-- Java version actually used to perform the build; compiling and testing. -->
<java.version>11</java.version>
<junit.version>5.7.0</junit.version>
<surefire.version>3.0.0-M5</surefire.version>
</properties>
<modules>