87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "gtest/gtest.h"
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#include "chre/util/buffer.h"
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#include "chre/util/macros.h"
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using chre::Buffer;
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void fillBufferWithSequentialValues(float *buffer, size_t size) {
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for (size_t i = 0; i < size; i++) {
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buffer[i] = static_cast<float>(i);
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}
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}
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TEST(Buffer, EmptyByDefault) {
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Buffer<float> buffer;
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EXPECT_EQ(buffer.data(), nullptr);
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EXPECT_EQ(buffer.size(), 0);
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}
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TEST(Buffer, Wrap) {
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float buf[128];
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fillBufferWithSequentialValues(buf, ARRAY_SIZE(buf));
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Buffer<float> buffer;
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buffer.wrap(buf, ARRAY_SIZE(buf));
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EXPECT_EQ(buffer.data(), buf);
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EXPECT_EQ(buffer.size(), ARRAY_SIZE(buf));
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}
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TEST(Buffer, CopyArray) {
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float buf[128];
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fillBufferWithSequentialValues(buf, ARRAY_SIZE(buf));
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Buffer<float> buffer;
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EXPECT_TRUE(buffer.copy_array(buf, ARRAY_SIZE(buf)));
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EXPECT_EQ(buffer.size(), ARRAY_SIZE(buf));
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for (size_t i = 0; i < ARRAY_SIZE(buf); i++) {
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EXPECT_EQ(buffer.data()[i], static_cast<float>(i));
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}
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}
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TEST(Buffer, CopyArrayEmpty) {
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Buffer<float> buffer;
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EXPECT_TRUE(buffer.copy_array(nullptr, 0));
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EXPECT_EQ(buffer.data(), nullptr);
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EXPECT_EQ(buffer.size(), 0);
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}
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TEST(Buffer, CopyArrayEmptyAfterWrap) {
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float buf[128];
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fillBufferWithSequentialValues(buf, ARRAY_SIZE(buf));
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Buffer<float> buffer;
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buffer.wrap(buf, ARRAY_SIZE(buf));
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EXPECT_TRUE(buffer.copy_array(nullptr, 0));
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EXPECT_EQ(buffer.data(), nullptr);
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EXPECT_EQ(buffer.size(), 0);
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}
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TEST(Buffer, CopyArrayEmptyAfterCopy) {
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float buf[128];
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fillBufferWithSequentialValues(buf, ARRAY_SIZE(buf));
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Buffer<float> buffer;
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EXPECT_TRUE(buffer.copy_array(buf, ARRAY_SIZE(buf)));
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EXPECT_TRUE(buffer.copy_array(nullptr, 0));
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EXPECT_EQ(buffer.data(), nullptr);
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EXPECT_EQ(buffer.size(), 0);
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}
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