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/*
* SPDX-FileCopyrightText: Copyright 2021 Arm Limited and/or its affiliates <open-source-office@arm.com>
* SPDX-License-Identifier: Apache-2.0
*
* 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 "AudioUtils.hpp"
#include "catch.hpp"
TEST_CASE("Common: Slide long data")
{
std::vector<int> test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
SECTION("Fit the data")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
for (int i = 0 ; i < 10; ++i) {
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == i + 1);
}
REQUIRE(!slider.HasNext());
REQUIRE(nullptr == slider.Next());
}
SECTION("Fit the data stride> window")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 2, 3);
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == 1);
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == 4);
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == 7);
REQUIRE(!slider.HasNext());
REQUIRE(nullptr == slider.Next());
}
SECTION("Fit the data stride < window")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 5, 1);
for (int i = 0 ; i < 6; i++) {
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == i + 1);
}
REQUIRE(!slider.HasNext());
REQUIRE(nullptr == slider.Next());
}
}
TEST_CASE("Common: Slide data size 1")
{
std::vector<int> test{1};
SECTION("Fit the data")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == 1);
REQUIRE(!slider.HasNext());
REQUIRE(nullptr == slider.Next());
}
SECTION("Does not Fit the data because of big window")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 2, 1);
REQUIRE(!slider.HasNext());
REQUIRE(nullptr == slider.Next());
}
SECTION("Does not Fit the data because of big stride")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 2);
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == 1);
REQUIRE(!slider.HasNext());
REQUIRE(nullptr == slider.Next());
}
}
TEST_CASE("Common: Slide reset")
{
SECTION("current range")
{
std::vector<int> test{1};
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
int *saved = slider.Next();
slider.Reset();
REQUIRE(slider.Next() == saved);
}
SECTION("new range")
{
std::vector<int> test{1};
std::vector<int> test2{100};
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
slider.Next();
slider.Reset(test2.data());
REQUIRE(*slider.Next() == 100);
}
}
TEST_CASE("Common: Slide fast forward")
{
std::vector<int> test{1, 2, 3, 4, 5};
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
SECTION("at the beginning") {
slider.FastForward(3);
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == 4);
}
SECTION("in the middle")
{
slider.Next();
slider.FastForward(3);
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == 4);
}
SECTION("at the end")
{
while(slider.HasNext()) {
slider.Next();
}
slider.FastForward(3);
REQUIRE(slider.HasNext());
REQUIRE(*slider.Next() == 4);
}
SECTION("out of the range")
{
slider.FastForward(100);
REQUIRE(!slider.HasNext());
REQUIRE(slider.Next() == nullptr);
}
}
TEST_CASE("Common: Slide Index")
{
std::vector<int> test{1, 2, 3, 4, 5};
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
REQUIRE(slider.Index() == 0);
for (int i = 0; i < 5; i++) {
slider.Next();
REQUIRE(slider.Index() == i);
}
}
TEST_CASE("Common: Total strides")
{
std::vector<int> test{1, 2, 3, 4, 5};
SECTION("Element by element")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 1);
REQUIRE(slider.TotalStrides() == 4 );
}
SECTION("Step through element")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 1, 2);
REQUIRE(slider.TotalStrides() == 2 );
}
SECTION("Window = data")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 5, 2);
REQUIRE(slider.TotalStrides() == 0 );
}
SECTION("Window > data")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 6, 2);
REQUIRE(slider.TotalStrides() == 0 );
}
SECTION("Window < data, not enough for the next stride")
{
auto slider = arm::app::audio::SlidingWindow<int>(test.data(), test.size(), 4, 2);
REQUIRE(slider.TotalStrides() == 0 );
}
}
TEST_CASE("Common: Next window data index")
{
std::vector<int> test{1, 2, 3, 4, 5};
/* Check we get the correct index returned */
SECTION("Stride 1")
{
auto slider = arm::app::audio::FractionalSlidingWindow<int>(test.data(), test.size(), 1, 1);
REQUIRE(slider.NextWindowStartIndex() == 0);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 1);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 2);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 3);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 4);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 5);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 5);
}
SECTION("Stride 2")
{
auto slider = arm::app::audio::FractionalSlidingWindow<int>(test.data(), test.size(), 1, 2);
REQUIRE(slider.NextWindowStartIndex() == 0);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 2);
REQUIRE(slider.NextWindowStartIndex() == 2);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 4);
}
SECTION("Stride 3")
{
auto slider = arm::app::audio::FractionalSlidingWindow<int>(test.data(), test.size(), 1, 3);
REQUIRE(slider.NextWindowStartIndex() == 0);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 3);
REQUIRE(slider.NextWindowStartIndex() == 3);
slider.Next();
REQUIRE(slider.NextWindowStartIndex() == 6);
REQUIRE(!slider.HasNext());
REQUIRE(slider.Next() == nullptr);
REQUIRE(slider.NextWindowStartIndex() == 6);
}
}
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