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Unsafe mostly works and is used in e.g. Guava and Protobuf-Javalite
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56 changes: 56 additions & 0 deletions
56
api/24/src/test/java/com/toasttab/android/Api19SignaturesTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * Copyright (c) 2023. Toast Inc. | ||
| * | ||
| * Licensed 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 | ||
| * http://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. | ||
| */ | ||
|
|
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| package com.toasttab.android | ||
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| import org.codehaus.mojo.animal_sniffer.Clazz | ||
| import org.junit.Test | ||
| import strikt.api.expectThat | ||
| import strikt.assertions.contains | ||
| import strikt.assertions.isNotNull | ||
| import java.io.File | ||
| import java.io.ObjectInputStream | ||
| import java.util.zip.GZIPInputStream | ||
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| class Api19SignaturesTest { | ||
| companion object { | ||
| private fun signatures(name: String) = | ||
| ObjectInputStream(GZIPInputStream(File(System.getProperty(name)).inputStream())).use { | ||
| generateSequence { it.readObject() as Clazz? }.toList() | ||
| } | ||
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| private val signatures by lazy { | ||
| signatures("signatures") | ||
| } | ||
| } | ||
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| @Test | ||
| fun `signatures include Unsafe#getInt`() { | ||
| val integer = signatures.find { it.name == "sun/misc/Unsafe" } | ||
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| expectThat(integer).isNotNull().and { | ||
| get { signatures }.contains("getInt(Ljava/lang/Object;J)I") | ||
| } | ||
| } | ||
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| @Test | ||
| fun `signatures include Unsafe#storeFence`() { | ||
| val integer = signatures.find { it.name == "sun/misc/Unsafe" } | ||
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| expectThat(integer).isNotNull().and { | ||
| get { signatures }.contains("storeFence()V") | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| /* | ||
| * Copyright (c) 2023. Toast Inc. | ||
| * | ||
| * Licensed 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 | ||
| * http://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. | ||
| */ | ||
|
|
||
| plugins { | ||
| `java-conventions` | ||
| } |
90 changes: 90 additions & 0 deletions
90
sugar/unsafe/src/main/java/desugar/sun/misc/DesugarUnsafe.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package desugar.sun.misc; | ||
|
|
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| import java.lang.reflect.Field; | ||
|
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| public final class DesugarUnsafe { | ||
| public <T> T allocateInstance(Class<T> clazz) { | ||
| return null; | ||
| } | ||
|
|
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| public int arrayBaseOffset(Class<?> clazz) { | ||
| return 0; | ||
| } | ||
|
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| public int arrayIndexScale(Class<?> clazz) { | ||
| return 0; | ||
| } | ||
|
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| public boolean compareAndSwapInt(Object obj, long offset, int expectedValue, int newValue) { | ||
| return false; | ||
| } | ||
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| public boolean compareAndSwapLong(Object obj, long offset, long expectedValue, long newValue) { | ||
| return false; | ||
| } | ||
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| public boolean compareAndSwapObject(Object obj, long offset, Object expectedValue, Object newValue) { | ||
| return false; | ||
| } | ||
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| public int getInt(Object obj, long offset) { | ||
| return 0; | ||
| } | ||
|
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| public int getIntVolatile(Object obj, long offset) { | ||
| return 0; | ||
| } | ||
|
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| public long getLong(Object obj, long offset) { | ||
| return 0; | ||
| } | ||
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| public long getLongVolatile(Object obj, long offset) { | ||
| return 0; | ||
| } | ||
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| public Object getObject(Object obj, long offset) { | ||
| return null; | ||
| } | ||
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| public Object getObjectVolatile(Object obj, long offset) { | ||
| return null; | ||
| } | ||
|
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| public long objectFieldOffset(Field field) { | ||
| return 0; | ||
| } | ||
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| public void park(boolean absolute, long time) { | ||
| } | ||
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| public void unpark(Object obj) { | ||
| } | ||
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| public void putInt(Object obj, long offset, int newValue) { | ||
| } | ||
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| public void putIntVolatile(Object obj, long offset, int newValue) { | ||
| } | ||
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| public void putLong(Object obj, long offset, long newValue) { | ||
| } | ||
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| public void putLongVolatile(Object obj, long offset, long newValue) { | ||
| } | ||
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| public void putObject(Object obj, long offset, Object newValue) { | ||
| } | ||
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| public void putObjectVolatile(Object obj, long offset, Object newValue) { | ||
| } | ||
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| public void putOrderedInt(Object obj, long offset, int newValue) { | ||
| } | ||
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| public void putOrderedLong(Object obj, long offset, long newValue) { | ||
| } | ||
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| public void putOrderedObject(Object obj, long offset, Object newValue) { | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| /* | ||
| * Copyright (c) 2023. Toast Inc. | ||
| * | ||
| * Licensed 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 | ||
| * http://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. | ||
| */ | ||
|
|
||
| plugins { | ||
| `java-conventions` | ||
| } |
98 changes: 98 additions & 0 deletions
98
sugar/unsafe24/src/main/java/desugar/sun/misc/DesugarUnsafe.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| package desugar.sun.misc; | ||
|
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| import java.lang.reflect.Field; | ||
|
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| public final class DesugarUnsafe { | ||
| public int addressSize() { | ||
| return 0; | ||
| } | ||
|
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| public int pageSize() { | ||
| return 0; | ||
| } | ||
|
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| public long allocateMemory(long bytes) { | ||
| return 0; | ||
| } | ||
|
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| public void freeMemory(long address) { | ||
| } | ||
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| public void setMemory(long address, long bytes, byte value) { | ||
| } | ||
|
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| public byte getByte(long address) { | ||
| return 0; | ||
| } | ||
|
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| public void putByte(Object obj, long offset, byte newValue) { | ||
| } | ||
|
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| public short getShort(long address) { | ||
| return 0; | ||
| } | ||
|
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| public void putShort(Object obj, long offset, short newValue) { | ||
| } | ||
|
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| public char getChar(long address) { | ||
| return 0; | ||
| } | ||
|
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| public void putChar(Object obj, long offset, char newValue) { | ||
| } | ||
|
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| public int getInt(long address) { | ||
| return 0; | ||
| } | ||
|
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| public long getLong(long address) { | ||
| return 0; | ||
| } | ||
|
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| public float getFloat(long address) { | ||
| return 0; | ||
| } | ||
|
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| public void putFloat(Object obj, long offset, float newValue) { | ||
| } | ||
|
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| public double getDouble(long address) { | ||
| return 0; | ||
| } | ||
|
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| public void putDouble(Object obj, long offset, double newValue) { | ||
| } | ||
|
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| public void copyMemory(long srcAddr, long dstAddr, long bytes) { | ||
| } | ||
|
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| public int getAndAddInt(Object o, long offset, int delta) { | ||
| return 0; | ||
| } | ||
|
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| public long getAndAddLong(Object o, long offset, long delta) { | ||
| return 0; | ||
| } | ||
|
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| public int getAndSetInt(Object o, long offset, int newValue) { | ||
| return 0; | ||
| } | ||
|
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| public long getAndSetLong(Object o, long offset, long newValue) { | ||
| return 0; | ||
| } | ||
|
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| public Object getAndSetObject(Object o, long offset, Object newValue) { | ||
| return 0; | ||
| } | ||
|
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| public void loadFence() { | ||
| } | ||
|
|
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| public void storeFence() { | ||
| } | ||
|
|
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| public void fullFence() { | ||
| } | ||
| } |
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