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This commit is contained in:
Jean Pierre Cimalando 2020-09-28 14:43:58 +02:00
parent a20a4c0029
commit 6694e8b85e
1 changed files with 27 additions and 0 deletions
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27
tests/FlexEGT.cpp
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@ -9,6 +9,7 @@
#include "sfizz/FlexEnvelope.h" #include "sfizz/FlexEnvelope.h"
#include "catch2/catch.hpp" #include "catch2/catch.hpp"
#include "TestHelpers.h" #include "TestHelpers.h"
#include <array>
using namespace Catch::literals; using namespace Catch::literals;
using namespace sfz::literals; using namespace sfz::literals;
@ -261,3 +262,29 @@ TEST_CASE("[FlexEG] Detailed numerical envelope test (with shapes)")
envelope.process(absl::MakeSpan(output)); envelope.process(absl::MakeSpan(output));
REQUIRE( approxEqual<float>(output, expected, 0.01f) ); REQUIRE( approxEqual<float>(output, expected, 0.01f) );
} }
TEST_CASE("[FlexEG] Zero delay transitions")
{
sfz::Synth synth;
synth.loadSfzString(fs::current_path(), R"(
<region> sample=*sine
eg1_time1=0 eg1_level1=1
eg1_time2=1 eg1_level2=0
eg1_time3=1 eg1_level3=.5 eg1_sustain=3
eg1_time4=1 eg1_level4=1
)");
sfz::FlexEnvelope envelope;
REQUIRE(synth.getNumRegions() == 1);
REQUIRE(synth.getRegionView(0)->flexEGs.size() == 1);
envelope.configure(&synth.getRegionView(0)->flexEGs[0]);
envelope.setSampleRate(10);
envelope.start(1);
std::array<float, 2> output;
envelope.process(absl::MakeSpan(output));
REQUIRE(output[0] == 0.0f);
REQUIRE(output[1] == Approx(0.9f).margin(0.01f));
// Note(jpc): 0.9 is because EG pre-increments the time counter, slope is
// 1 frame off into the future
}