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gecko-dev/dom/media/gtest/TestIntervalSet.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/dom/TimeRanges.h"
#include "TimeUnits.h"
#include "Intervals.h"
#include <algorithm>
#include <vector>
using namespace mozilla;
typedef media::Interval<uint8_t> ByteInterval;
typedef media::Interval<int> IntInterval;
typedef media::IntervalSet<int> IntIntervals;
ByteInterval CreateByteInterval(int32_t aStart, int32_t aEnd) {
ByteInterval test(aStart, aEnd);
return test;
}
media::IntervalSet<uint8_t> CreateByteIntervalSet(int32_t aStart,
int32_t aEnd) {
media::IntervalSet<uint8_t> test;
test += ByteInterval(aStart, aEnd);
return test;
}
TEST(IntervalSet, Constructors) {
const int32_t start = 1;
const int32_t end = 2;
const int32_t fuzz = 0;
// Compiler exercise.
ByteInterval test1(start, end);
ByteInterval test2(test1);
ByteInterval test3(start, end, fuzz);
ByteInterval test4(test3);
ByteInterval test5 = CreateByteInterval(start, end);
media::IntervalSet<uint8_t> blah1(test1);
media::IntervalSet<uint8_t> blah2 = blah1;
media::IntervalSet<uint8_t> blah3 = blah1 + test1;
media::IntervalSet<uint8_t> blah4 = test1 + blah1;
media::IntervalSet<uint8_t> blah5 = CreateByteIntervalSet(start, end);
(void)test1;
(void)test2;
(void)test3;
(void)test4;
(void)test5;
(void)blah1;
(void)blah2;
(void)blah3;
(void)blah4;
(void)blah5;
}
media::TimeInterval CreateTimeInterval(int32_t aStart, int32_t aEnd) {
// Copy constructor test
media::TimeUnit start = media::TimeUnit::FromMicroseconds(aStart);
media::TimeUnit end;
// operator= test
end = media::TimeUnit::FromMicroseconds(aEnd);
media::TimeInterval ti(start, end);
return ti;
}
media::TimeIntervals CreateTimeIntervals(int32_t aStart, int32_t aEnd) {
media::TimeIntervals test;
test += CreateTimeInterval(aStart, aEnd);
return test;
}
TEST(IntervalSet, TimeIntervalsConstructors) {
const auto start = media::TimeUnit::FromMicroseconds(1);
const auto end = media::TimeUnit::FromMicroseconds(2);
const media::TimeUnit fuzz;
// Compiler exercise.
media::TimeInterval test1(start, end);
media::TimeInterval test2(test1);
media::TimeInterval test3(start, end, fuzz);
media::TimeInterval test4(test3);
media::TimeInterval test5 =
CreateTimeInterval(start.ToMicroseconds(), end.ToMicroseconds());
media::TimeIntervals blah1(test1);
media::TimeIntervals blah2(blah1);
media::TimeIntervals blah3 = blah1 + test1;
media::TimeIntervals blah4 = test1 + blah1;
media::TimeIntervals blah5 =
CreateTimeIntervals(start.ToMicroseconds(), end.ToMicroseconds());
(void)test1;
(void)test2;
(void)test3;
(void)test4;
(void)test5;
(void)blah1;
(void)blah2;
(void)blah3;
(void)blah4;
(void)blah5;
media::TimeIntervals i0{media::TimeInterval(media::TimeUnit::FromSeconds(0),
media::TimeUnit::FromSeconds(0))};
EXPECT_EQ(0u, i0.Length()); // Constructing with an empty time interval.
}
TEST(IntervalSet, Length) {
IntInterval i(15, 25);
EXPECT_EQ(10, i.Length());
}
TEST(IntervalSet, Intersects) {
EXPECT_TRUE(IntInterval(1, 5).Intersects(IntInterval(3, 4)));
EXPECT_TRUE(IntInterval(1, 5).Intersects(IntInterval(3, 7)));
EXPECT_TRUE(IntInterval(1, 5).Intersects(IntInterval(-1, 3)));
EXPECT_TRUE(IntInterval(1, 5).Intersects(IntInterval(-1, 7)));
EXPECT_FALSE(IntInterval(1, 5).Intersects(IntInterval(6, 7)));
EXPECT_FALSE(IntInterval(1, 5).Intersects(IntInterval(-1, 0)));
// End boundary is exclusive of the interval.
EXPECT_FALSE(IntInterval(1, 5).Intersects(IntInterval(5, 7)));
EXPECT_FALSE(IntInterval(1, 5).Intersects(IntInterval(0, 1)));
// Empty identical interval do not intersect.
EXPECT_FALSE(IntInterval(1, 1).Intersects(IntInterval(1, 1)));
// Empty interval do not intersect.
EXPECT_FALSE(IntInterval(1, 1).Intersects(IntInterval(2, 2)));
}
TEST(IntervalSet, Intersection) {
IntInterval i0(10, 20);
IntInterval i1(15, 25);
IntInterval i = i0.Intersection(i1);
EXPECT_EQ(15, i.mStart);
EXPECT_EQ(20, i.mEnd);
IntInterval j0(10, 20);
IntInterval j1(20, 25);
IntInterval j = j0.Intersection(j1);
EXPECT_TRUE(j.IsEmpty());
IntInterval k0(2, 2);
IntInterval k1(2, 2);
IntInterval k = k0.Intersection(k1);
EXPECT_TRUE(k.IsEmpty());
}
TEST(IntervalSet, Equals) {
IntInterval i0(10, 20);
IntInterval i1(10, 20);
EXPECT_EQ(i0, i1);
IntInterval i2(5, 20);
EXPECT_NE(i0, i2);
IntInterval i3(10, 15);
EXPECT_NE(i0, i2);
}
TEST(IntervalSet, IntersectionIntervalSet) {
IntIntervals i0;
i0 += IntInterval(5, 10);
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
IntIntervals i1;
i1.Add(IntInterval(7, 15));
i1.Add(IntInterval(16, 27));
i1.Add(IntInterval(45, 50));
i1.Add(IntInterval(53, 57));
IntIntervals i = media::Intersection(i0, i1);
EXPECT_EQ(4u, i.Length());
EXPECT_EQ(7, i[0].mStart);
EXPECT_EQ(10, i[0].mEnd);
EXPECT_EQ(20, i[1].mStart);
EXPECT_EQ(25, i[1].mEnd);
EXPECT_EQ(45, i[2].mStart);
EXPECT_EQ(50, i[2].mEnd);
EXPECT_EQ(53, i[3].mStart);
EXPECT_EQ(57, i[3].mEnd);
}
template <typename T>
static void Compare(const media::IntervalSet<T>& aI1,
const media::IntervalSet<T>& aI2) {
EXPECT_EQ(aI1.Length(), aI2.Length());
if (aI1.Length() != aI2.Length()) {
return;
}
for (uint32_t i = 0; i < aI1.Length(); i++) {
EXPECT_EQ(aI1[i].mStart, aI2[i].mStart);
EXPECT_EQ(aI1[i].mEnd, aI2[i].mEnd);
}
}
static void GeneratePermutations(const IntIntervals& aI1,
const IntIntervals& aI2) {
IntIntervals i_ref = media::Intersection(aI1, aI2);
// Test all permutations possible
std::vector<uint32_t> comb1;
for (uint32_t i = 0; i < aI1.Length(); i++) {
comb1.push_back(i);
}
std::vector<uint32_t> comb2;
for (uint32_t i = 0; i < aI2.Length(); i++) {
comb2.push_back(i);
}
do {
do {
// Create intervals according to new indexes.
IntIntervals i_0;
for (uint32_t i = 0; i < comb1.size(); i++) {
i_0 += aI1[comb1[i]];
}
// Test that intervals are always normalized.
Compare(aI1, i_0);
IntIntervals i_1;
for (uint32_t i = 0; i < comb2.size(); i++) {
i_1 += aI2[comb2[i]];
}
Compare(aI2, i_1);
// Check intersections yield the same result.
Compare(i_0.Intersection(i_1), i_ref);
} while (std::next_permutation(comb2.begin(), comb2.end()));
} while (std::next_permutation(comb1.begin(), comb1.end()));
}
TEST(IntervalSet, IntersectionNormalizedIntervalSet) {
IntIntervals i0;
i0 += IntInterval(5, 10);
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
IntIntervals i1;
i1.Add(IntInterval(7, 15));
i1.Add(IntInterval(16, 27));
i1.Add(IntInterval(45, 50));
i1.Add(IntInterval(53, 57));
GeneratePermutations(i0, i1);
}
TEST(IntervalSet, IntersectionUnorderedNonNormalizedIntervalSet) {
IntIntervals i0;
i0 += IntInterval(5, 10);
i0 += IntInterval(8, 25);
i0 += IntInterval(24, 60);
IntIntervals i1;
i1.Add(IntInterval(7, 15));
i1.Add(IntInterval(10, 27));
i1.Add(IntInterval(45, 50));
i1.Add(IntInterval(53, 57));
GeneratePermutations(i0, i1);
}
TEST(IntervalSet, IntersectionNonNormalizedInterval) {
IntIntervals i0;
i0 += IntInterval(5, 10);
i0 += IntInterval(8, 25);
i0 += IntInterval(30, 60);
media::Interval<int> i1(9, 15);
i0.Intersection(i1);
EXPECT_EQ(1u, i0.Length());
EXPECT_EQ(i0[0].mStart, i1.mStart);
EXPECT_EQ(i0[0].mEnd, i1.mEnd);
}
TEST(IntervalSet, IntersectionUnorderedNonNormalizedInterval) {
IntIntervals i0;
i0 += IntInterval(1, 3);
i0 += IntInterval(1, 10);
i0 += IntInterval(9, 12);
i0 += IntInterval(12, 15);
i0 += IntInterval(8, 25);
i0 += IntInterval(30, 60);
i0 += IntInterval(5, 10);
i0 += IntInterval(30, 60);
media::Interval<int> i1(9, 15);
i0.Intersection(i1);
EXPECT_EQ(1u, i0.Length());
EXPECT_EQ(i0[0].mStart, i1.mStart);
EXPECT_EQ(i0[0].mEnd, i1.mEnd);
}
static IntIntervals Duplicate(const IntIntervals& aValue) {
IntIntervals value(aValue);
return value;
}
TEST(IntervalSet, Normalize) {
IntIntervals i;
// Test IntervalSet<T> + Interval<T> operator.
i = i + IntInterval(20, 30);
// Test Internal<T> + IntervalSet<T> operator.
i = IntInterval(2, 7) + i;
// Test Interval<T> + IntervalSet<T> operator
i = IntInterval(1, 8) + i;
IntIntervals interval;
interval += IntInterval(5, 10);
// Test += with rval move.
i += Duplicate(interval);
// Test = with move and add with move.
i = Duplicate(interval) + i;
EXPECT_EQ(2u, i.Length());
EXPECT_EQ(1, i[0].mStart);
EXPECT_EQ(10, i[0].mEnd);
EXPECT_EQ(20, i[1].mStart);
EXPECT_EQ(30, i[1].mEnd);
media::TimeIntervals ti;
ti += media::TimeInterval(media::TimeUnit::FromSeconds(0.0),
media::TimeUnit::FromSeconds(3.203333));
ti += media::TimeInterval(media::TimeUnit::FromSeconds(3.203366),
media::TimeUnit::FromSeconds(10.010065));
EXPECT_EQ(2u, ti.Length());
ti += media::TimeInterval(ti.Start(0), ti.End(0),
media::TimeUnit::FromMicroseconds(35000));
EXPECT_EQ(1u, ti.Length());
}
TEST(IntervalSet, ContainValue) {
IntIntervals i0;
i0 += IntInterval(0, 10);
i0 += IntInterval(15, 20);
i0 += IntInterval(30, 50);
EXPECT_TRUE(i0.Contains(0)); // start is inclusive.
EXPECT_TRUE(i0.Contains(17));
EXPECT_FALSE(i0.Contains(20)); // end boundary is exclusive.
EXPECT_FALSE(i0.Contains(25));
}
TEST(IntervalSet, ContainValueWithFuzz) {
IntIntervals i0;
i0 += IntInterval(0, 10);
i0 += IntInterval(15, 20, 1);
i0 += IntInterval(30, 50);
EXPECT_TRUE(i0.Contains(0)); // start is inclusive.
EXPECT_TRUE(i0.Contains(17));
EXPECT_TRUE(
i0.Contains(20)); // end boundary is exclusive but we have a fuzz of 1.
EXPECT_FALSE(i0.Contains(25));
}
TEST(IntervalSet, ContainInterval) {
IntIntervals i0;
i0 += IntInterval(0, 10);
i0 += IntInterval(15, 20);
i0 += IntInterval(30, 50);
EXPECT_TRUE(i0.Contains(IntInterval(2, 8)));
EXPECT_TRUE(i0.Contains(IntInterval(31, 50)));
EXPECT_TRUE(i0.Contains(IntInterval(0, 10)));
EXPECT_FALSE(i0.Contains(IntInterval(0, 11)));
EXPECT_TRUE(i0.Contains(IntInterval(0, 5)));
EXPECT_FALSE(i0.Contains(IntInterval(8, 15)));
EXPECT_FALSE(i0.Contains(IntInterval(15, 30)));
EXPECT_FALSE(i0.Contains(IntInterval(30, 55)));
}
TEST(IntervalSet, ContainIntervalWithFuzz) {
IntIntervals i0;
i0 += IntInterval(0, 10);
i0 += IntInterval(15, 20);
i0 += IntInterval(30, 50);
EXPECT_TRUE(i0.Contains(IntInterval(2, 8)));
EXPECT_TRUE(i0.Contains(IntInterval(31, 50)));
EXPECT_TRUE(i0.Contains(IntInterval(0, 11, 1)));
EXPECT_TRUE(i0.Contains(IntInterval(0, 5)));
EXPECT_FALSE(i0.Contains(IntInterval(8, 15)));
EXPECT_FALSE(i0.Contains(IntInterval(15, 21)));
EXPECT_FALSE(i0.Contains(IntInterval(15, 30)));
EXPECT_FALSE(i0.Contains(IntInterval(30, 55)));
IntIntervals i1;
i1 += IntInterval(0, 10, 1);
i1 += IntInterval(15, 20, 1);
i1 += IntInterval(30, 50, 1);
EXPECT_TRUE(i1.Contains(IntInterval(2, 8)));
EXPECT_TRUE(i1.Contains(IntInterval(29, 51)));
EXPECT_TRUE(i1.Contains(IntInterval(0, 11, 1)));
EXPECT_TRUE(i1.Contains(IntInterval(15, 21)));
}
TEST(IntervalSet, Span) {
IntInterval i0(0, 10);
IntInterval i1(20, 30);
IntInterval i{i0.Span(i1)};
EXPECT_EQ(i.mStart, 0);
EXPECT_EQ(i.mEnd, 30);
}
TEST(IntervalSet, Union) {
IntIntervals i0;
i0 += IntInterval(5, 10);
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
IntIntervals i1;
i1.Add(IntInterval(7, 15));
i1.Add(IntInterval(16, 27));
i1.Add(IntInterval(45, 50));
i1.Add(IntInterval(53, 57));
IntIntervals i = media::Union(i0, i1);
EXPECT_EQ(3u, i.Length());
EXPECT_EQ(5, i[0].mStart);
EXPECT_EQ(15, i[0].mEnd);
EXPECT_EQ(16, i[1].mStart);
EXPECT_EQ(27, i[1].mEnd);
EXPECT_EQ(40, i[2].mStart);
EXPECT_EQ(60, i[2].mEnd);
}
TEST(IntervalSet, UnionNotOrdered) {
IntIntervals i0;
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
i0 += IntInterval(5, 10);
IntIntervals i1;
i1.Add(IntInterval(16, 27));
i1.Add(IntInterval(7, 15));
i1.Add(IntInterval(53, 57));
i1.Add(IntInterval(45, 50));
IntIntervals i = media::Union(i0, i1);
EXPECT_EQ(3u, i.Length());
EXPECT_EQ(5, i[0].mStart);
EXPECT_EQ(15, i[0].mEnd);
EXPECT_EQ(16, i[1].mStart);
EXPECT_EQ(27, i[1].mEnd);
EXPECT_EQ(40, i[2].mStart);
EXPECT_EQ(60, i[2].mEnd);
}
TEST(IntervalSet, NormalizeFuzz) {
IntIntervals i0;
i0 += IntInterval(11, 25, 0);
i0 += IntInterval(5, 10, 1);
i0 += IntInterval(40, 60, 1);
EXPECT_EQ(2u, i0.Length());
EXPECT_EQ(5, i0[0].mStart);
EXPECT_EQ(25, i0[0].mEnd);
EXPECT_EQ(40, i0[1].mStart);
EXPECT_EQ(60, i0[1].mEnd);
}
TEST(IntervalSet, UnionFuzz) {
IntIntervals i0;
i0 += IntInterval(5, 10, 1);
i0 += IntInterval(11, 25, 0);
i0 += IntInterval(40, 60, 1);
EXPECT_EQ(2u, i0.Length());
EXPECT_EQ(5, i0[0].mStart);
EXPECT_EQ(25, i0[0].mEnd);
EXPECT_EQ(40, i0[1].mStart);
EXPECT_EQ(60, i0[1].mEnd);
IntIntervals i1;
i1.Add(IntInterval(7, 15, 1));
i1.Add(IntInterval(16, 27, 1));
i1.Add(IntInterval(45, 50, 1));
i1.Add(IntInterval(53, 57, 1));
EXPECT_EQ(3u, i1.Length());
EXPECT_EQ(7, i1[0].mStart);
EXPECT_EQ(27, i1[0].mEnd);
EXPECT_EQ(45, i1[1].mStart);
EXPECT_EQ(50, i1[1].mEnd);
EXPECT_EQ(53, i1[2].mStart);
EXPECT_EQ(57, i1[2].mEnd);
IntIntervals i = media::Union(i0, i1);
EXPECT_EQ(2u, i.Length());
EXPECT_EQ(5, i[0].mStart);
EXPECT_EQ(27, i[0].mEnd);
EXPECT_EQ(40, i[1].mStart);
EXPECT_EQ(60, i[1].mEnd);
}
TEST(IntervalSet, Contiguous) {
EXPECT_FALSE(IntInterval(5, 10).Contiguous(IntInterval(11, 25)));
EXPECT_TRUE(IntInterval(5, 10).Contiguous(IntInterval(10, 25)));
EXPECT_TRUE(IntInterval(5, 10, 1).Contiguous(IntInterval(11, 25)));
EXPECT_TRUE(IntInterval(5, 10).Contiguous(IntInterval(11, 25, 1)));
}
TEST(IntervalSet, TimeRangesSeconds) {
media::TimeIntervals i0;
i0 += media::TimeInterval(media::TimeUnit::FromSeconds(20),
media::TimeUnit::FromSeconds(25));
i0 += media::TimeInterval(media::TimeUnit::FromSeconds(40),
media::TimeUnit::FromSeconds(60));
i0 += media::TimeInterval(media::TimeUnit::FromSeconds(5),
media::TimeUnit::FromSeconds(10));
media::TimeIntervals i1;
i1.Add(media::TimeInterval(media::TimeUnit::FromSeconds(16),
media::TimeUnit::FromSeconds(27)));
i1.Add(media::TimeInterval(media::TimeUnit::FromSeconds(7),
media::TimeUnit::FromSeconds(15)));
i1.Add(media::TimeInterval(media::TimeUnit::FromSeconds(53),
media::TimeUnit::FromSeconds(57)));
i1.Add(media::TimeInterval(media::TimeUnit::FromSeconds(45),
media::TimeUnit::FromSeconds(50)));
media::TimeIntervals i(i0 + i1);
RefPtr<dom::TimeRanges> tr = new dom::TimeRanges(i);
EXPECT_EQ(tr->Length(), i.Length());
for (dom::TimeRanges::index_type index = 0; index < tr->Length(); index++) {
ErrorResult rv;
EXPECT_EQ(tr->Start(index, rv), i[index].mStart.ToSeconds());
EXPECT_EQ(tr->Start(index, rv), i.Start(index).ToSeconds());
EXPECT_EQ(tr->End(index, rv), i[index].mEnd.ToSeconds());
EXPECT_EQ(tr->End(index, rv), i.End(index).ToSeconds());
}
}
static void CheckTimeRanges(dom::TimeRanges* aTr,
const media::TimeIntervals& aTi) {
RefPtr<dom::TimeRanges> tr = new dom::TimeRanges;
tr->Union(aTr, 0); // This will normalize the time range.
EXPECT_EQ(tr->Length(), aTi.Length());
for (dom::TimeRanges::index_type i = 0; i < tr->Length(); i++) {
ErrorResult rv;
EXPECT_EQ(tr->Start(i, rv), aTi[i].mStart.ToSeconds());
EXPECT_EQ(tr->Start(i, rv), aTi.Start(i).ToSeconds());
EXPECT_EQ(tr->End(i, rv), aTi[i].mEnd.ToSeconds());
EXPECT_EQ(tr->End(i, rv), aTi.End(i).ToSeconds());
}
}
TEST(IntervalSet, TimeRangesConversion) {
RefPtr<dom::TimeRanges> tr = new dom::TimeRanges();
tr->Add(20, 25);
tr->Add(40, 60);
tr->Add(5, 10);
tr->Add(16, 27);
tr->Add(53, 57);
tr->Add(45, 50);
// explicit copy constructor and ToTimeIntervals.
media::TimeIntervals i1(tr->ToTimeIntervals());
CheckTimeRanges(tr, i1);
// ctor(const TimeIntervals&)
RefPtr<dom::TimeRanges> tr2 = new dom::TimeRanges(tr->ToTimeIntervals());
CheckTimeRanges(tr2, i1);
}
TEST(IntervalSet, TimeRangesMicroseconds) {
media::TimeIntervals i0;
i0 += media::TimeInterval(media::TimeUnit::FromMicroseconds(20),
media::TimeUnit::FromMicroseconds(25));
i0 += media::TimeInterval(media::TimeUnit::FromMicroseconds(40),
media::TimeUnit::FromMicroseconds(60));
i0 += media::TimeInterval(media::TimeUnit::FromMicroseconds(5),
media::TimeUnit::FromMicroseconds(10));
media::TimeIntervals i1;
i1.Add(media::TimeInterval(media::TimeUnit::FromMicroseconds(16),
media::TimeUnit::FromMicroseconds(27)));
i1.Add(media::TimeInterval(media::TimeUnit::FromMicroseconds(7),
media::TimeUnit::FromMicroseconds(15)));
i1.Add(media::TimeInterval(media::TimeUnit::FromMicroseconds(53),
media::TimeUnit::FromMicroseconds(57)));
i1.Add(media::TimeInterval(media::TimeUnit::FromMicroseconds(45),
media::TimeUnit::FromMicroseconds(50)));
media::TimeIntervals i(i0 + i1);
RefPtr<dom::TimeRanges> tr = new dom::TimeRanges(i);
EXPECT_EQ(tr->Length(), i.Length());
for (dom::TimeRanges::index_type index = 0; index < tr->Length(); index++) {
ErrorResult rv;
EXPECT_EQ(tr->Start(index, rv), i[index].mStart.ToSeconds());
EXPECT_EQ(tr->Start(index, rv), i.Start(index).ToSeconds());
EXPECT_EQ(tr->End(index, rv), i[index].mEnd.ToSeconds());
EXPECT_EQ(tr->End(index, rv), i.End(index).ToSeconds());
}
tr->Normalize();
EXPECT_EQ(tr->Length(), i.Length());
for (dom::TimeRanges::index_type index = 0; index < tr->Length(); index++) {
ErrorResult rv;
EXPECT_EQ(tr->Start(index, rv), i[index].mStart.ToSeconds());
EXPECT_EQ(tr->Start(index, rv), i.Start(index).ToSeconds());
EXPECT_EQ(tr->End(index, rv), i[index].mEnd.ToSeconds());
EXPECT_EQ(tr->End(index, rv), i.End(index).ToSeconds());
}
// Check infinity values aren't lost in the conversion.
tr = new dom::TimeRanges();
tr->Add(0, 30);
tr->Add(50, std::numeric_limits<double>::infinity());
media::TimeIntervals i_oo = tr->ToTimeIntervals();
RefPtr<dom::TimeRanges> tr2 = new dom::TimeRanges(i_oo);
EXPECT_EQ(tr->Length(), tr2->Length());
for (dom::TimeRanges::index_type index = 0; index < tr->Length(); index++) {
ErrorResult rv;
EXPECT_EQ(tr->Start(index, rv), tr2->Start(index, rv));
EXPECT_EQ(tr->End(index, rv), tr2->End(index, rv));
}
}
template <typename T>
class Foo {
public:
Foo() : mArg1(1), mArg2(2), mArg3(3) {}
Foo(T a1, T a2, T a3) : mArg1(a1), mArg2(a2), mArg3(a3) {}
Foo<T> operator+(const Foo<T>& aOther) const {
Foo<T> blah;
blah.mArg1 += aOther.mArg1;
blah.mArg2 += aOther.mArg2;
blah.mArg3 += aOther.mArg3;
return blah;
}
Foo<T> operator-(const Foo<T>& aOther) const {
Foo<T> blah;
blah.mArg1 -= aOther.mArg1;
blah.mArg2 -= aOther.mArg2;
blah.mArg3 -= aOther.mArg3;
return blah;
}
bool operator<(const Foo<T>& aOther) const { return mArg1 < aOther.mArg1; }
bool operator==(const Foo<T>& aOther) const { return mArg1 == aOther.mArg1; }
bool operator<=(const Foo<T>& aOther) const { return mArg1 <= aOther.mArg1; }
private:
int32_t mArg1;
int32_t mArg2;
int32_t mArg3;
};
TEST(IntervalSet, FooIntervalSet) {
media::Interval<Foo<int>> i(Foo<int>(), Foo<int>(4, 5, 6));
media::IntervalSet<Foo<int>> is;
is += i;
is += i;
is.Add(i);
is = is + i;
is = i + is;
EXPECT_EQ(1u, is.Length());
EXPECT_EQ(Foo<int>(), is[0].mStart);
EXPECT_EQ(Foo<int>(4, 5, 6), is[0].mEnd);
}
TEST(IntervalSet, StaticAssert) {
media::Interval<int> i;
static_assert(
mozilla::IsSame<nsTArray_CopyChooser<IntIntervals>::Type,
nsTArray_CopyWithConstructors<IntIntervals>>::value,
"Must use copy constructor");
static_assert(mozilla::IsSame<
nsTArray_CopyChooser<media::TimeIntervals>::Type,
nsTArray_CopyWithConstructors<media::TimeIntervals>>::value,
"Must use copy constructor");
}
TEST(IntervalSet, Substraction) {
IntIntervals i0;
i0 += IntInterval(5, 10);
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
IntInterval i1(8, 15);
i0 -= i1;
EXPECT_EQ(3u, i0.Length());
EXPECT_EQ(5, i0[0].mStart);
EXPECT_EQ(8, i0[0].mEnd);
EXPECT_EQ(20, i0[1].mStart);
EXPECT_EQ(25, i0[1].mEnd);
EXPECT_EQ(40, i0[2].mStart);
EXPECT_EQ(60, i0[2].mEnd);
i0 = IntIntervals();
i0 += IntInterval(5, 10);
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
i1 = IntInterval(0, 60);
i0 -= i1;
EXPECT_EQ(0u, i0.Length());
i0 = IntIntervals();
i0 += IntInterval(5, 10);
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
i1 = IntInterval(0, 45);
i0 -= i1;
EXPECT_EQ(1u, i0.Length());
EXPECT_EQ(45, i0[0].mStart);
EXPECT_EQ(60, i0[0].mEnd);
i0 = IntIntervals();
i0 += IntInterval(5, 10);
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
i1 = IntInterval(8, 45);
i0 -= i1;
EXPECT_EQ(2u, i0.Length());
EXPECT_EQ(5, i0[0].mStart);
EXPECT_EQ(8, i0[0].mEnd);
EXPECT_EQ(45, i0[1].mStart);
EXPECT_EQ(60, i0[1].mEnd);
i0 = IntIntervals();
i0 += IntInterval(5, 10);
i0 += IntInterval(20, 25);
i0 += IntInterval(40, 60);
i1 = IntInterval(8, 70);
i0 -= i1;
EXPECT_EQ(1u, i0.Length());
EXPECT_EQ(5, i0[0].mStart);
EXPECT_EQ(8, i0[0].mEnd);
i0 = IntIntervals();
i0 += IntInterval(0, 10);
IntIntervals i2;
i2 += IntInterval(4, 6);
i0 -= i2;
EXPECT_EQ(2u, i0.Length());
EXPECT_EQ(0, i0[0].mStart);
EXPECT_EQ(4, i0[0].mEnd);
EXPECT_EQ(6, i0[1].mStart);
EXPECT_EQ(10, i0[1].mEnd);
i0 = IntIntervals();
i0 += IntInterval(0, 1);
i0 += IntInterval(3, 10);
EXPECT_EQ(2u, i0.Length());
// This fuzz should collapse i0 into [0,10).
i0.SetFuzz(1);
EXPECT_EQ(1u, i0.Length());
EXPECT_EQ(1, i0[0].mFuzz);
i2 = IntInterval(4, 6);
i0 -= i2;
EXPECT_EQ(2u, i0.Length());
EXPECT_EQ(0, i0[0].mStart);
EXPECT_EQ(4, i0[0].mEnd);
EXPECT_EQ(6, i0[1].mStart);
EXPECT_EQ(10, i0[1].mEnd);
EXPECT_EQ(1, i0[0].mFuzz);
EXPECT_EQ(1, i0[1].mFuzz);
i0 = IntIntervals();
i0 += IntInterval(0, 10);
// [4,6) with fuzz 1 used to fail because the complementary interval set
// [0,4)+[6,10) would collapse into [0,10).
i2 = IntInterval(4, 6);
i2.SetFuzz(1);
i0 -= i2;
EXPECT_EQ(2u, i0.Length());
EXPECT_EQ(0, i0[0].mStart);
EXPECT_EQ(4, i0[0].mEnd);
EXPECT_EQ(6, i0[1].mStart);
EXPECT_EQ(10, i0[1].mEnd);
}
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