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452 lines
15 KiB
C++
452 lines
15 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AudioEventTimeline.h"
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#include "TestHarness.h"
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#include <sstream>
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#include <limits>
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using namespace mozilla;
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using namespace mozilla::dom;
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using std::numeric_limits;
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// Some simple testing primitives
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void ok(bool val, const char* msg)
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{
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if (val) {
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passed(msg);
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} else {
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fail(msg);
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}
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}
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namespace std {
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template <class T>
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basic_ostream<T, char_traits<T> >&
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operator<<(basic_ostream<T, char_traits<T> >& os, nsresult rv)
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{
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os << static_cast<uint32_t>(rv);
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return os;
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}
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}
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template <class T, class U>
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void is(const T& a, const U& b, const char* msg)
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{
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std::stringstream ss;
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ss << msg << ", Got: " << a << ", expected: " << b;
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ok(a == b, ss.str().c_str());
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}
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template <>
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void is(const float& a, const float& b, const char* msg)
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{
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// stupidly high, since we mostly care about the correctness of the algorithm
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const float kEpsilon = 0.00001f;
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std::stringstream ss;
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ss << msg << ", Got: " << a << ", expected: " << b;
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ok(fabsf(a - b) < kEpsilon, ss.str().c_str());
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}
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class ErrorResultMock
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{
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public:
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ErrorResultMock()
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: mRv(NS_OK)
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{
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}
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void Throw(nsresult aRv)
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{
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mRv = aRv;
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}
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operator nsresult() const
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{
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return mRv;
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}
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ErrorResultMock& operator=(nsresult aRv)
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{
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mRv = aRv;
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return *this;
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}
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private:
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nsresult mRv;
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};
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typedef AudioEventTimeline<ErrorResultMock> Timeline;
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void TestSpecExample()
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{
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// First, run the basic tests
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Timeline timeline(10.0f);
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is(timeline.Value(), 10.0f, "Correct default value returned");
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ErrorResultMock rv;
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float curve[] = { -1.0f, 0.0f, 1.0f };
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// This test is copied from the example in the Web Audio spec
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const double t0 = 0.0,
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t1 = 0.1,
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t2 = 0.2,
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t3 = 0.3,
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t4 = 0.4,
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t5 = 0.6,
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t6 = 0.7,
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t7 = 1.0;
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timeline.SetValueAtTime(0.2f, t0, rv);
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is(rv, NS_OK, "SetValueAtTime succeeded");
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timeline.SetValueAtTime(0.3f, t1, rv);
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is(rv, NS_OK, "SetValueAtTime succeeded");
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timeline.SetValueAtTime(0.4f, t2, rv);
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is(rv, NS_OK, "SetValueAtTime succeeded");
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timeline.LinearRampToValueAtTime(1.0f, t3, rv);
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is(rv, NS_OK, "LinearRampToValueAtTime succeeded");
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timeline.LinearRampToValueAtTime(0.15f, t4, rv);
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is(rv, NS_OK, "LinearRampToValueAtTime succeeded");
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timeline.ExponentialRampToValueAtTime(0.75f, t5, rv);
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is(rv, NS_OK, "ExponentialRampToValueAtTime succeeded");
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timeline.ExponentialRampToValueAtTime(0.05f, t6, rv);
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is(rv, NS_OK, "ExponentialRampToValueAtTime succeeded");
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timeline.SetValueCurveAtTime(curve, ArrayLength(curve), t6, t7 - t6, rv);
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is(rv, NS_OK, "SetValueCurveAtTime succeeded");
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is(timeline.GetValueAtTime(0.0), 0.2f, "Correct value");
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is(timeline.GetValueAtTime(0.05), 0.2f, "Correct value");
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is(timeline.GetValueAtTime(0.1), 0.3f, "Correct value");
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is(timeline.GetValueAtTime(0.15), 0.3f, "Correct value");
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is(timeline.GetValueAtTime(0.2), 0.4f, "Correct value");
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is(timeline.GetValueAtTime(0.25), (0.4f + 1.0f) / 2, "Correct value");
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is(timeline.GetValueAtTime(0.3), 1.0f, "Correct value");
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is(timeline.GetValueAtTime(0.35), (1.0f + 0.15f) / 2, "Correct value");
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is(timeline.GetValueAtTime(0.4), 0.15f, "Correct value");
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is(timeline.GetValueAtTime(0.45), (0.15f * powf(0.75f / 0.15f, 0.05f / 0.2f)), "Correct value");
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is(timeline.GetValueAtTime(0.5), (0.15f * powf(0.75f / 0.15f, 0.5f)), "Correct value");
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is(timeline.GetValueAtTime(0.55), (0.15f * powf(0.75f / 0.15f, 0.15f / 0.2f)), "Correct value");
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is(timeline.GetValueAtTime(0.6), 0.75f, "Correct value");
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is(timeline.GetValueAtTime(0.65), (0.75f * powf(0.05f / 0.75f, 0.5f)), "Correct value");
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is(timeline.GetValueAtTime(0.7), -1.0f, "Correct value");
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is(timeline.GetValueAtTime(0.9), 0.0f, "Correct value");
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is(timeline.GetValueAtTime(1.0), 1.0f, "Correct value");
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}
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void TestInvalidEvents()
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{
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static_assert(numeric_limits<float>::has_quiet_NaN, "Platform must have a quiet NaN");
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const float NaN = numeric_limits<float>::quiet_NaN();
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const float Infinity = numeric_limits<float>::infinity();
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Timeline timeline(10.0f);
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float curve[] = { -1.0f, 0.0f, 1.0f };
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float badCurve1[] = { -1.0f, NaN, 1.0f };
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float badCurve2[] = { -1.0f, Infinity, 1.0f };
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float badCurve3[] = { -1.0f, -Infinity, 1.0f };
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ErrorResultMock rv;
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timeline.SetValueAtTime(NaN, 0.1, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueAtTime(Infinity, 0.1, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueAtTime(-Infinity, 0.1, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.LinearRampToValueAtTime(NaN, 0.2, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.LinearRampToValueAtTime(Infinity, 0.2, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.LinearRampToValueAtTime(-Infinity, 0.2, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.ExponentialRampToValueAtTime(NaN, 0.3, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.ExponentialRampToValueAtTime(Infinity, 0.3, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.ExponentialRampToValueAtTime(-Infinity, 0.4, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.ExponentialRampToValueAtTime(0, 0.5, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetTargetAtTime(NaN, 0.4, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetTargetAtTime(Infinity, 0.4, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetTargetAtTime(-Infinity, 0.4, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetTargetAtTime(0.4f, NaN, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetTargetAtTime(0.4f, Infinity, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetTargetAtTime(0.4f, -Infinity, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(nullptr, 0, 1.0, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(badCurve1, ArrayLength(badCurve1), 1.0, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(badCurve2, ArrayLength(badCurve2), 1.0, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(badCurve3, ArrayLength(badCurve3), 1.0, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(curve, ArrayLength(curve), NaN, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(curve, ArrayLength(curve), Infinity, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(curve, ArrayLength(curve), -Infinity, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(curve, ArrayLength(curve), 1.0, NaN, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(curve, ArrayLength(curve), 1.0, Infinity, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValueCurveAtTime(curve, ArrayLength(curve), 1.0, -Infinity, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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}
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void TestEventReplacement()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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is(timeline.GetEventCount(), 0u, "No events yet");
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timeline.SetValueAtTime(10.0f, 0.1, rv);
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is(timeline.GetEventCount(), 1u, "One event scheduled now");
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timeline.SetValueAtTime(20.0f, 0.1, rv);
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is(rv, NS_OK, "Event scheduling should be successful");
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is(timeline.GetEventCount(), 1u, "Event should be replaced");
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is(timeline.GetValueAtTime(0.1), 20.0f, "The first event should be overwritten");
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timeline.LinearRampToValueAtTime(30.0f, 0.1, rv);
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is(rv, NS_OK, "Event scheduling should be successful");
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is(timeline.GetEventCount(), 2u, "Different event type should be appended");
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is(timeline.GetValueAtTime(0.1), 30.0f, "The first event should be overwritten");
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}
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void TestEventRemoval()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetValueAtTime(10.0f, 0.1, rv);
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timeline.SetValueAtTime(15.0f, 0.15, rv);
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timeline.SetValueAtTime(20.0f, 0.2, rv);
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timeline.LinearRampToValueAtTime(30.0f, 0.3, rv);
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is(timeline.GetEventCount(), 4u, "Should have three events initially");
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timeline.CancelScheduledValues(0.4);
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is(timeline.GetEventCount(), 4u, "Trying to delete past the end of the array should have no effect");
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timeline.CancelScheduledValues(0.3);
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is(timeline.GetEventCount(), 3u, "Should successfully delete one event");
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timeline.CancelScheduledValues(0.12);
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is(timeline.GetEventCount(), 1u, "Should successfully delete two events");
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timeline.CancelAllEvents();
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ok(timeline.HasSimpleValue(), "No event should remain scheduled");
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}
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void TestBeforeFirstEventSetValue()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetValueAtTime(20.0f, 1.0, rv);
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is(timeline.GetValueAtTime(0.5), 10.0f, "Retrun the default value before the first event");
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}
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void TestBeforeFirstEventSetTarget()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetTargetAtTime(20.0f, 1.0, 5.0, rv);
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is(timeline.GetValueAtTime(0.5), 10.0f, "Retrun the default value before the first event");
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}
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void TestBeforeFirstEventLinearRamp()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.LinearRampToValueAtTime(20.0f, 1.0, rv);
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is(timeline.GetValueAtTime(0.5), 10.0f, "Retrun the default value before the first event");
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}
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void TestBeforeFirstEventExponentialRamp()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.ExponentialRampToValueAtTime(20.0f, 1.0, rv);
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is(timeline.GetValueAtTime(0.5), 10.0f, "Retrun the default value before the first event");
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}
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void TestAfterLastValueEvent()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetValueAtTime(20.0f, 1.0, rv);
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is(timeline.GetValueAtTime(1.5), 20.0f, "Return the last value after the last SetValue event");
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}
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void TestAfterLastTargetValueEvent()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetTargetAtTime(20.0f, 1.0, 5.0, rv);
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is(timeline.GetValueAtTime(10.), (20.f + (10.f - 20.f) * expf(-9.0f / 5.0f)), "Return the value after the last SetTarget event based on the curve");
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}
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void TestAfterLastTargetValueEventWithValueSet()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetValue(50.f);
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timeline.SetTargetAtTime(20.0f, 1.0, 5.0, rv);
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// When using SetTargetValueAtTime, Timeline become stateful: the value for
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// time t may depend on the time t-1, so we can't just query the value at a
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// time and get the right value. We have to call GetValueAtTime for the
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// previous times.
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for (double i = 0.0; i < 9.99; i+=0.01) {
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timeline.GetValueAtTime(i);
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}
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is(timeline.GetValueAtTime(10.), (20.f + (50.f - 20.f) * expf(-9.0f / 5.0f)), "Return the value after SetValue and the last SetTarget event based on the curve");
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}
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void TestValue()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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is(timeline.Value(), 10.0f, "value should initially match the default value");
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timeline.SetValue(20.0f);
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is(timeline.Value(), 20.0f, "Should be able to set the value");
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timeline.SetValueAtTime(20.0f, 1.0, rv);
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// TODO: The following check needs to change when we compute the value based on the current time of the context
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is(timeline.Value(), 20.0f, "TODO...");
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timeline.SetValue(30.0f);
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is(timeline.Value(), 20.0f, "Should not be able to set the value");
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}
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void TestLinearRampAtZero()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.LinearRampToValueAtTime(20.0f, 0.0, rv);
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is(timeline.GetValueAtTime(0.0), 20.0f, "Should get the correct value when t0 == t1 == 0");
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}
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void TestExponentialRampAtZero()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.ExponentialRampToValueAtTime(20.0f, 0.0, rv);
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is(timeline.GetValueAtTime(0.0), 20.0f, "Should get the correct value when t0 == t1 == 0");
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}
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void TestLinearRampAtSameTime()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetValueAtTime(5.0f, 1.0, rv);
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timeline.LinearRampToValueAtTime(20.0f, 1.0, rv);
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is(timeline.GetValueAtTime(1.0), 20.0f, "Should get the correct value when t0 == t1");
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}
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void TestExponentialRampAtSameTime()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetValueAtTime(5.0f, 1.0, rv);
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timeline.ExponentialRampToValueAtTime(20.0f, 1.0, rv);
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is(timeline.GetValueAtTime(1.0), 20.0f, "Should get the correct value when t0 == t1");
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}
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void TestSetTargetZeroTimeConstant()
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{
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Timeline timeline(10.0f);
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ErrorResultMock rv;
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timeline.SetTargetAtTime(20.0f, 1.0, 0.0, rv);
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is(timeline.GetValueAtTime(10.), 20.f, "Should get the correct value with timeConstant == 0");
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}
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void TestExponentialInvalidPreviousZeroValue()
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{
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Timeline timeline(0.f);
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ErrorResultMock rv;
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timeline.ExponentialRampToValueAtTime(1.f, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.SetValue(1.f);
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rv = NS_OK;
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timeline.ExponentialRampToValueAtTime(1.f, 1.0, rv);
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is(rv, NS_OK, "Should succeed this time");
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timeline.CancelScheduledValues(0.0);
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is(timeline.GetEventCount(), 0u, "Should have no events scheduled");
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rv = NS_OK;
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timeline.SetValueAtTime(0.f, 0.5, rv);
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is(rv, NS_OK, "Should succeed");
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timeline.ExponentialRampToValueAtTime(1.f, 1.0, rv);
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is(rv, NS_ERROR_DOM_SYNTAX_ERR, "Correct error code returned");
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timeline.CancelScheduledValues(0.0);
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is(timeline.GetEventCount(), 0u, "Should have no events scheduled");
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rv = NS_OK;
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timeline.ExponentialRampToValueAtTime(1.f, 1.0, rv);
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is(rv, NS_OK, "Should succeed this time");
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}
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int main()
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{
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ScopedXPCOM xpcom("TestAudioEventTimeline");
|
|
if (xpcom.failed()) {
|
|
return 1;
|
|
}
|
|
|
|
TestSpecExample();
|
|
TestInvalidEvents();
|
|
TestEventReplacement();
|
|
TestEventRemoval();
|
|
TestBeforeFirstEventSetValue();
|
|
TestBeforeFirstEventSetTarget();
|
|
TestBeforeFirstEventLinearRamp();
|
|
TestBeforeFirstEventExponentialRamp();
|
|
TestAfterLastValueEvent();
|
|
TestAfterLastTargetValueEvent();
|
|
TestAfterLastTargetValueEventWithValueSet();
|
|
TestValue();
|
|
TestLinearRampAtZero();
|
|
TestExponentialRampAtZero();
|
|
TestLinearRampAtSameTime();
|
|
TestExponentialRampAtSameTime();
|
|
TestSetTargetZeroTimeConstant();
|
|
TestExponentialInvalidPreviousZeroValue();
|
|
|
|
return gFailCount > 0;
|
|
}
|
|
|