| /* |
| * Copyright (C) 2018 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 "gtest/gtest.h" |
| |
| #include "chre/util/buffer.h" |
| #include "chre/util/macros.h" |
| |
| using chre::Buffer; |
| |
| void fillBufferWithSequentialValues(float *buffer, size_t size) { |
| for (size_t i = 0; i < size; i++) { |
| buffer[i] = static_cast<float>(i); |
| } |
| } |
| |
| TEST(Buffer, EmptyByDefault) { |
| Buffer<float> buffer; |
| EXPECT_EQ(buffer.data(), nullptr); |
| EXPECT_EQ(buffer.size(), 0); |
| } |
| |
| TEST(Buffer, Wrap) { |
| float buf[128]; |
| fillBufferWithSequentialValues(buf, ARRAY_SIZE(buf)); |
| |
| Buffer<float> buffer; |
| buffer.wrap(buf, ARRAY_SIZE(buf)); |
| EXPECT_EQ(buffer.data(), buf); |
| EXPECT_EQ(buffer.size(), ARRAY_SIZE(buf)); |
| } |
| |
| TEST(Buffer, CopyArray) { |
| float buf[128]; |
| fillBufferWithSequentialValues(buf, ARRAY_SIZE(buf)); |
| |
| Buffer<float> buffer; |
| EXPECT_TRUE(buffer.copy_array(buf, ARRAY_SIZE(buf))); |
| EXPECT_EQ(buffer.size(), ARRAY_SIZE(buf)); |
| |
| for (size_t i = 0; i < ARRAY_SIZE(buf); i++) { |
| EXPECT_EQ(buffer.data()[i], static_cast<float>(i)); |
| } |
| } |
| |
| TEST(Buffer, CopyArrayEmpty) { |
| Buffer<float> buffer; |
| EXPECT_TRUE(buffer.copy_array(nullptr, 0)); |
| EXPECT_EQ(buffer.data(), nullptr); |
| EXPECT_EQ(buffer.size(), 0); |
| } |
| |
| TEST(Buffer, CopyArrayEmptyAfterWrap) { |
| float buf[128]; |
| fillBufferWithSequentialValues(buf, ARRAY_SIZE(buf)); |
| |
| Buffer<float> buffer; |
| buffer.wrap(buf, ARRAY_SIZE(buf)); |
| EXPECT_TRUE(buffer.copy_array(nullptr, 0)); |
| EXPECT_EQ(buffer.data(), nullptr); |
| EXPECT_EQ(buffer.size(), 0); |
| } |
| |
| TEST(Buffer, CopyArrayEmptyAfterCopy) { |
| float buf[128]; |
| fillBufferWithSequentialValues(buf, ARRAY_SIZE(buf)); |
| |
| Buffer<float> buffer; |
| EXPECT_TRUE(buffer.copy_array(buf, ARRAY_SIZE(buf))); |
| EXPECT_TRUE(buffer.copy_array(nullptr, 0)); |
| EXPECT_EQ(buffer.data(), nullptr); |
| EXPECT_EQ(buffer.size(), 0); |
| } |