1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <gtest/gtest.h> 18 #include <ui/BufferHubMetadata.h> 19 20 namespace android { 21 namespace dvr { 22 23 constexpr size_t kEmptyUserMetadataSize = 0; 24 25 class BufferHubMetadataTest : public ::testing::Test {}; 26 27 TEST_F(BufferHubMetadataTest, Create_UserMetdataSizeTooBig) { 28 BufferHubMetadata m1 = BufferHubMetadata::create(std::numeric_limits<uint32_t>::max()); 29 EXPECT_FALSE(m1.isValid()); 30 } 31 32 TEST_F(BufferHubMetadataTest, Create_Success) { 33 BufferHubMetadata m1 = BufferHubMetadata::create(kEmptyUserMetadataSize); 34 EXPECT_TRUE(m1.isValid()); 35 EXPECT_NE(m1.metadataHeader(), nullptr); 36 } 37 38 TEST_F(BufferHubMetadataTest, Import_Success) { 39 BufferHubMetadata m1 = BufferHubMetadata::create(kEmptyUserMetadataSize); 40 EXPECT_TRUE(m1.isValid()); 41 EXPECT_NE(m1.metadataHeader(), nullptr); 42 43 unique_fd h2 = unique_fd(dup(m1.ashmemFd().get())); 44 EXPECT_NE(h2.get(), -1); 45 46 BufferHubMetadata m2 = BufferHubMetadata::import(std::move(h2)); 47 EXPECT_EQ(h2.get(), -1); 48 EXPECT_TRUE(m1.isValid()); 49 BufferHubDefs::MetadataHeader* mh1 = m1.metadataHeader(); 50 EXPECT_NE(mh1, nullptr); 51 52 // Check if the newly allocated buffer is initialized in released state (i.e. 53 // state equals to 0U). 54 EXPECT_TRUE(mh1->bufferState.load() == 0U); 55 56 EXPECT_TRUE(m2.isValid()); 57 BufferHubDefs::MetadataHeader* mh2 = m2.metadataHeader(); 58 EXPECT_NE(mh2, nullptr); 59 60 // Check if the newly allocated buffer is initialized in released state (i.e. 61 // state equals to 0U). 62 EXPECT_TRUE(mh2->bufferState.load() == 0U); 63 } 64 65 TEST_F(BufferHubMetadataTest, MoveMetadataInvalidatesOldOne) { 66 BufferHubMetadata m1 = BufferHubMetadata::create(sizeof(int)); 67 EXPECT_TRUE(m1.isValid()); 68 EXPECT_NE(m1.metadataHeader(), nullptr); 69 EXPECT_NE(m1.ashmemFd().get(), -1); 70 EXPECT_EQ(m1.userMetadataSize(), sizeof(int)); 71 72 BufferHubMetadata m2 = std::move(m1); 73 74 // After the move, the metadata header (a raw pointer) should be reset in the older buffer. 75 EXPECT_EQ(m1.metadataHeader(), nullptr); 76 EXPECT_NE(m2.metadataHeader(), nullptr); 77 78 EXPECT_EQ(m1.ashmemFd().get(), -1); 79 EXPECT_NE(m2.ashmemFd().get(), -1); 80 81 EXPECT_EQ(m1.userMetadataSize(), 0U); 82 EXPECT_EQ(m2.userMetadataSize(), sizeof(int)); 83 84 BufferHubMetadata m3{std::move(m2)}; 85 86 // After the move, the metadata header (a raw pointer) should be reset in the older buffer. 87 EXPECT_EQ(m2.metadataHeader(), nullptr); 88 EXPECT_NE(m3.metadataHeader(), nullptr); 89 90 EXPECT_EQ(m2.ashmemFd().get(), -1); 91 EXPECT_NE(m3.ashmemFd().get(), -1); 92 93 EXPECT_EQ(m2.userMetadataSize(), 0U); 94 EXPECT_EQ(m3.userMetadataSize(), sizeof(int)); 95 } 96 97 } // namespace dvr 98 } // namespace android 99
