137 lines
No EOL
4.3 KiB
C++
137 lines
No EOL
4.3 KiB
C++
#include "catch2/catch.hpp"
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#include "../sources/LinearEnvelope.h"
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#include <array>
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#include <algorithm>
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#include <iostream>
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#include <absl/types/span.h>
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#include <absl/algorithm/container.h>
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using namespace Catch::literals;
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template<class Type>
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inline bool approxEqual(absl::Span<const Type> lhs, absl::Span<const Type> rhs, Type eps=1e-3)
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{
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if (lhs.size() != rhs.size())
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return false;
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for (size_t i = 0; i < rhs.size(); ++i)
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if (rhs[i] != Approx(lhs[i]).epsilon(eps))
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{
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std::cerr << lhs[i] << " != " << rhs[i] << " at index " << i << '\n';
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return false;
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}
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return true;
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}
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TEST_CASE("[LinearEnvelope] Basic state")
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{
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sfz::LinearEnvelope<float> envelope;
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std::array<float, 5> output;
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std::array<float, 5> expected { 0.0, 0.0, 0.0, 0.0, 0.0 };
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] Basic event")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.registerEvent(4, 1.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 0.25, 0.5, 0.75, 1.0, 1.0, 1.0, 1.0, 1.0 };
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] 2 events, close")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.registerEvent(4, 1.0);
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envelope.registerEvent(5, 2.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 0.25, 0.5, 0.75, 1.0, 2.0, 2.0, 2.0, 2.0 };
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] 2 events, far")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.registerEvent(2, 1.0);
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envelope.registerEvent(6, 2.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 0.5, 1, 1.25, 1.5, 1.75, 2.0, 2.0, 2.0 };
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] 2 events, reversed")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.registerEvent(6, 2.0);
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envelope.registerEvent(2, 1.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 0.5, 1, 1.25, 1.5, 1.75, 2.0, 2.0, 2.0 };
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] 3 events, overlapping")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.registerEvent(2, 1.0);
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envelope.registerEvent(6, 2.0);
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envelope.registerEvent(6, 3.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 0.5, 1, 1.25, 1.5, 1.75, 2.0, 3.0, 3.0 };
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] 3 events, out of block")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.registerEvent(2, 1.0);
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envelope.registerEvent(6, 2.0);
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envelope.registerEvent(10, 3.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 0.5, 1, 1.25, 1.5, 1.75, 2.0, 2.5, 3.0 };
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] 3 events, out of block, with another block call")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.registerEvent(2, 1.0);
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envelope.registerEvent(6, 2.0);
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envelope.registerEvent(10, 3.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0, 3.0 };
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envelope.getBlock(absl::MakeSpan(output));
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] 2 events, with another block call")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.registerEvent(2, 1.0);
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envelope.registerEvent(6, 2.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0, 2.0 };
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envelope.getBlock(absl::MakeSpan(output));
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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}
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TEST_CASE("[LinearEnvelope] 2 events, function")
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{
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sfz::LinearEnvelope<float> envelope;
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envelope.setFunction([](auto x) { return 2*x; });
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envelope.registerEvent(2, 1.0);
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envelope.registerEvent(6, 2.0);
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std::array<float, 8> output;
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std::array<float, 8> expected { 1, 2, 2.5, 3, 3.5, 4.0, 4.0, 4.0 };
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envelope.getBlock(absl::MakeSpan(output));
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REQUIRE( output == expected );
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} |