Reland "EGL: Refactor multifile blobcache"
This reverts commit b81edf95e53784d8153c7c4999ccbc1ee653be63
Previous revert was due to selinux denials causing test failures.
Temporarily addressed in aosp/2420100
This also incorporates additional post-submit feedback on ag/21091488
Test: pubg_mobile_launch ANGLE trace
Test: /data/nativetest64/EGL_test/EGL_test
Test: /data/nativetest64/libEGL_test/libEGL_test
Bug: b/266725576
Change-Id: I5631301c69605f25cbca52ca8ef096294c2e1bcf
diff --git a/opengl/libs/EGL/MultifileBlobCache_test.cpp b/opengl/libs/EGL/MultifileBlobCache_test.cpp
new file mode 100644
index 0000000..1a55a4f
--- /dev/null
+++ b/opengl/libs/EGL/MultifileBlobCache_test.cpp
@@ -0,0 +1,200 @@
+/*
+ ** Copyright 2023, The Android Open Source Project
+ **
+ ** 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.
+ */
+
+#include "MultifileBlobCache.h"
+
+#include <android-base/test_utils.h>
+#include <fcntl.h>
+#include <gtest/gtest.h>
+#include <stdio.h>
+
+#include <memory>
+
+namespace android {
+
+template <typename T>
+using sp = std::shared_ptr<T>;
+
+constexpr size_t kMaxTotalSize = 32 * 1024;
+constexpr size_t kMaxPreloadSize = 8 * 1024;
+
+constexpr size_t kMaxKeySize = kMaxPreloadSize / 4;
+constexpr size_t kMaxValueSize = kMaxPreloadSize / 2;
+
+class MultifileBlobCacheTest : public ::testing::Test {
+protected:
+ virtual void SetUp() {
+ mTempFile.reset(new TemporaryFile());
+ mMBC.reset(new MultifileBlobCache(kMaxTotalSize, kMaxPreloadSize, &mTempFile->path[0]));
+ }
+
+ virtual void TearDown() { mMBC.reset(); }
+
+ std::unique_ptr<TemporaryFile> mTempFile;
+ std::unique_ptr<MultifileBlobCache> mMBC;
+};
+
+TEST_F(MultifileBlobCacheTest, CacheSingleValueSucceeds) {
+ unsigned char buf[4] = {0xee, 0xee, 0xee, 0xee};
+ mMBC->set("abcd", 4, "efgh", 4);
+ ASSERT_EQ(size_t(4), mMBC->get("abcd", 4, buf, 4));
+ ASSERT_EQ('e', buf[0]);
+ ASSERT_EQ('f', buf[1]);
+ ASSERT_EQ('g', buf[2]);
+ ASSERT_EQ('h', buf[3]);
+}
+
+TEST_F(MultifileBlobCacheTest, CacheTwoValuesSucceeds) {
+ unsigned char buf[2] = {0xee, 0xee};
+ mMBC->set("ab", 2, "cd", 2);
+ mMBC->set("ef", 2, "gh", 2);
+ ASSERT_EQ(size_t(2), mMBC->get("ab", 2, buf, 2));
+ ASSERT_EQ('c', buf[0]);
+ ASSERT_EQ('d', buf[1]);
+ ASSERT_EQ(size_t(2), mMBC->get("ef", 2, buf, 2));
+ ASSERT_EQ('g', buf[0]);
+ ASSERT_EQ('h', buf[1]);
+}
+
+TEST_F(MultifileBlobCacheTest, GetSetTwiceSucceeds) {
+ unsigned char buf[2] = {0xee, 0xee};
+ mMBC->set("ab", 2, "cd", 2);
+ ASSERT_EQ(size_t(2), mMBC->get("ab", 2, buf, 2));
+ ASSERT_EQ('c', buf[0]);
+ ASSERT_EQ('d', buf[1]);
+ // Use the same key, but different value
+ mMBC->set("ab", 2, "ef", 2);
+ ASSERT_EQ(size_t(2), mMBC->get("ab", 2, buf, 2));
+ ASSERT_EQ('e', buf[0]);
+ ASSERT_EQ('f', buf[1]);
+}
+
+TEST_F(MultifileBlobCacheTest, GetOnlyWritesInsideBounds) {
+ unsigned char buf[6] = {0xee, 0xee, 0xee, 0xee, 0xee, 0xee};
+ mMBC->set("abcd", 4, "efgh", 4);
+ ASSERT_EQ(size_t(4), mMBC->get("abcd", 4, buf + 1, 4));
+ ASSERT_EQ(0xee, buf[0]);
+ ASSERT_EQ('e', buf[1]);
+ ASSERT_EQ('f', buf[2]);
+ ASSERT_EQ('g', buf[3]);
+ ASSERT_EQ('h', buf[4]);
+ ASSERT_EQ(0xee, buf[5]);
+}
+
+TEST_F(MultifileBlobCacheTest, GetOnlyWritesIfBufferIsLargeEnough) {
+ unsigned char buf[3] = {0xee, 0xee, 0xee};
+ mMBC->set("abcd", 4, "efgh", 4);
+ ASSERT_EQ(size_t(4), mMBC->get("abcd", 4, buf, 3));
+ ASSERT_EQ(0xee, buf[0]);
+ ASSERT_EQ(0xee, buf[1]);
+ ASSERT_EQ(0xee, buf[2]);
+}
+
+TEST_F(MultifileBlobCacheTest, GetDoesntAccessNullBuffer) {
+ mMBC->set("abcd", 4, "efgh", 4);
+ ASSERT_EQ(size_t(4), mMBC->get("abcd", 4, nullptr, 0));
+}
+
+TEST_F(MultifileBlobCacheTest, MultipleSetsCacheLatestValue) {
+ unsigned char buf[4] = {0xee, 0xee, 0xee, 0xee};
+ mMBC->set("abcd", 4, "efgh", 4);
+ mMBC->set("abcd", 4, "ijkl", 4);
+ ASSERT_EQ(size_t(4), mMBC->get("abcd", 4, buf, 4));
+ ASSERT_EQ('i', buf[0]);
+ ASSERT_EQ('j', buf[1]);
+ ASSERT_EQ('k', buf[2]);
+ ASSERT_EQ('l', buf[3]);
+}
+
+TEST_F(MultifileBlobCacheTest, SecondSetKeepsFirstValueIfTooLarge) {
+ unsigned char buf[kMaxValueSize + 1] = {0xee, 0xee, 0xee, 0xee};
+ mMBC->set("abcd", 4, "efgh", 4);
+ mMBC->set("abcd", 4, buf, kMaxValueSize + 1);
+ ASSERT_EQ(size_t(4), mMBC->get("abcd", 4, buf, 4));
+ ASSERT_EQ('e', buf[0]);
+ ASSERT_EQ('f', buf[1]);
+ ASSERT_EQ('g', buf[2]);
+ ASSERT_EQ('h', buf[3]);
+}
+
+TEST_F(MultifileBlobCacheTest, DoesntCacheIfKeyIsTooBig) {
+ char key[kMaxKeySize + 1];
+ unsigned char buf[4] = {0xee, 0xee, 0xee, 0xee};
+ for (int i = 0; i < kMaxKeySize + 1; i++) {
+ key[i] = 'a';
+ }
+ mMBC->set(key, kMaxKeySize + 1, "bbbb", 4);
+ ASSERT_EQ(size_t(0), mMBC->get(key, kMaxKeySize + 1, buf, 4));
+ ASSERT_EQ(0xee, buf[0]);
+ ASSERT_EQ(0xee, buf[1]);
+ ASSERT_EQ(0xee, buf[2]);
+ ASSERT_EQ(0xee, buf[3]);
+}
+
+TEST_F(MultifileBlobCacheTest, DoesntCacheIfValueIsTooBig) {
+ char buf[kMaxValueSize + 1];
+ for (int i = 0; i < kMaxValueSize + 1; i++) {
+ buf[i] = 'b';
+ }
+ mMBC->set("abcd", 4, buf, kMaxValueSize + 1);
+ for (int i = 0; i < kMaxValueSize + 1; i++) {
+ buf[i] = 0xee;
+ }
+ ASSERT_EQ(size_t(0), mMBC->get("abcd", 4, buf, kMaxValueSize + 1));
+ for (int i = 0; i < kMaxValueSize + 1; i++) {
+ SCOPED_TRACE(i);
+ ASSERT_EQ(0xee, buf[i]);
+ }
+}
+
+TEST_F(MultifileBlobCacheTest, CacheMaxKeySizeSucceeds) {
+ char key[kMaxKeySize];
+ unsigned char buf[4] = {0xee, 0xee, 0xee, 0xee};
+ for (int i = 0; i < kMaxKeySize; i++) {
+ key[i] = 'a';
+ }
+ mMBC->set(key, kMaxKeySize, "wxyz", 4);
+ ASSERT_EQ(size_t(4), mMBC->get(key, kMaxKeySize, buf, 4));
+ ASSERT_EQ('w', buf[0]);
+ ASSERT_EQ('x', buf[1]);
+ ASSERT_EQ('y', buf[2]);
+ ASSERT_EQ('z', buf[3]);
+}
+
+TEST_F(MultifileBlobCacheTest, CacheMaxValueSizeSucceeds) {
+ char buf[kMaxValueSize];
+ for (int i = 0; i < kMaxValueSize; i++) {
+ buf[i] = 'b';
+ }
+ mMBC->set("abcd", 4, buf, kMaxValueSize);
+ for (int i = 0; i < kMaxValueSize; i++) {
+ buf[i] = 0xee;
+ }
+ mMBC->get("abcd", 4, buf, kMaxValueSize);
+ for (int i = 0; i < kMaxValueSize; i++) {
+ SCOPED_TRACE(i);
+ ASSERT_EQ('b', buf[i]);
+ }
+}
+
+TEST_F(MultifileBlobCacheTest, CacheMinKeyAndValueSizeSucceeds) {
+ unsigned char buf[1] = {0xee};
+ mMBC->set("x", 1, "y", 1);
+ ASSERT_EQ(size_t(1), mMBC->get("x", 1, buf, 1));
+ ASSERT_EQ('y', buf[0]);
+}
+
+} // namespace android