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/*
* Copyright (c) 2013, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <WebCore/TimeRanges.h>
using namespace WebCore;
namespace TestWebKitAPI {
static std::string ToString(const TimeRanges& ranges)
{
std::stringstream ss;
ss << "{";
for (unsigned i = 0; i < ranges.length(); ++i)
ss << " [" << ranges.start(i).releaseReturnValue() << "," << ranges.end(i).releaseReturnValue() << ")";
ss << " }";
return ss.str();
}
#define ASSERT_RANGE(expected, range) EXPECT_EQ(expected, ToString(*range))
TEST(TimeRanges, Empty)
{
ASSERT_RANGE("{ }", TimeRanges::create().ptr());
}
TEST(TimeRanges, SingleRange)
{
ASSERT_RANGE("{ [1,2) }", TimeRanges::create(1, 2).ptr());
}
TEST(TimeRanges, AddOrder)
{
RefPtr<TimeRanges> rangeA = TimeRanges::create();
RefPtr<TimeRanges> rangeB = TimeRanges::create();
rangeA->add(0, 2);
rangeA->add(3, 4);
rangeA->add(5, 100);
std::string expected = "{ [0,2) [3,4) [5,100) }";
ASSERT_RANGE(expected, rangeA);
// Add the values in rangeA to rangeB in reverse order.
for (int i = rangeA->length() - 1; i >= 0; --i)
rangeB->add(rangeA->start(i).releaseReturnValue(), rangeA->end(i).releaseReturnValue());
ASSERT_RANGE(expected, rangeB);
}
TEST(TimeRanges, OverlappingAdds)
{
RefPtr<TimeRanges> ranges = TimeRanges::create();
ranges->add(0, 2);
ranges->add(10, 11);
ASSERT_RANGE("{ [0,2) [10,11) }", ranges);
ranges->add(0, 2);
ASSERT_RANGE("{ [0,2) [10,11) }", ranges);
ranges->add(2, 3);
ASSERT_RANGE("{ [0,3) [10,11) }", ranges);
ranges->add(2, 6);
ASSERT_RANGE("{ [0,6) [10,11) }", ranges);
ranges->add(9, 10);
ASSERT_RANGE("{ [0,6) [9,11) }", ranges);
ranges->add(8, 10);
ASSERT_RANGE("{ [0,6) [8,11) }", ranges);
ranges->add(-1, 7);
ASSERT_RANGE("{ [-1,7) [8,11) }", ranges);
ranges->add(6, 9);
ASSERT_RANGE("{ [-1,11) }", ranges);
}
TEST(TimeRanges, IntersectWith_Self)
{
RefPtr<TimeRanges> ranges = TimeRanges::create(0, 2);
ASSERT_RANGE("{ [0,2) }", ranges);
ranges->intersectWith(*ranges.get());
ASSERT_RANGE("{ [0,2) }", ranges);
}
TEST(TimeRanges, IntersectWith_IdenticalRange)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create(0, 2);
RefPtr<TimeRanges> rangesB = rangesA->copy();
ASSERT_RANGE("{ [0,2) }", rangesA);
ASSERT_RANGE("{ [0,2) }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ [0,2) }", rangesA);
ASSERT_RANGE("{ [0,2) }", rangesB);
}
TEST(TimeRanges, IntersectWith_Empty)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create(0, 2);
RefPtr<TimeRanges> rangesB = TimeRanges::create();
ASSERT_RANGE("{ [0,2) }", rangesA);
ASSERT_RANGE("{ }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ }", rangesA);
ASSERT_RANGE("{ }", rangesB);
}
TEST(TimeRanges, IntersectWith_DisjointRanges1)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create();
RefPtr<TimeRanges> rangesB = TimeRanges::create();
rangesA->add(0, 1);
rangesA->add(4, 5);
rangesB->add(2, 3);
rangesB->add(6, 7);
ASSERT_RANGE("{ [0,1) [4,5) }", rangesA);
ASSERT_RANGE("{ [2,3) [6,7) }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ }", rangesA);
ASSERT_RANGE("{ [2,3) [6,7) }", rangesB);
}
TEST(TimeRanges, IntersectWith_DisjointRanges2)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create();
RefPtr<TimeRanges> rangesB = TimeRanges::create();
rangesA->add(0, 1);
rangesA->add(4, 5);
rangesB->add(1, 4);
rangesB->add(5, 7);
ASSERT_RANGE("{ [0,1) [4,5) }", rangesA);
ASSERT_RANGE("{ [1,4) [5,7) }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ }", rangesA);
ASSERT_RANGE("{ [1,4) [5,7) }", rangesB);
}
TEST(TimeRanges, IntersectWith_CompleteOverlap1)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create();
RefPtr<TimeRanges> rangesB = TimeRanges::create();
rangesA->add(1, 3);
rangesA->add(4, 5);
rangesA->add(6, 9);
rangesB->add(0, 10);
ASSERT_RANGE("{ [1,3) [4,5) [6,9) }", rangesA);
ASSERT_RANGE("{ [0,10) }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ [1,3) [4,5) [6,9) }", rangesA);
ASSERT_RANGE("{ [0,10) }", rangesB);
}
TEST(TimeRanges, IntersectWith_CompleteOverlap2)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create();
RefPtr<TimeRanges> rangesB = TimeRanges::create();
rangesA->add(1, 3);
rangesA->add(4, 5);
rangesA->add(6, 9);
rangesB->add(1, 9);
ASSERT_RANGE("{ [1,3) [4,5) [6,9) }", rangesA);
ASSERT_RANGE("{ [1,9) }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ [1,3) [4,5) [6,9) }", rangesA);
ASSERT_RANGE("{ [1,9) }", rangesB);
}
TEST(TimeRanges, IntersectWith_Gaps1)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create();
RefPtr<TimeRanges> rangesB = TimeRanges::create();
rangesA->add(0, 2);
rangesA->add(4, 6);
rangesB->add(1, 5);
ASSERT_RANGE("{ [0,2) [4,6) }", rangesA);
ASSERT_RANGE("{ [1,5) }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ [1,2) [4,5) }", rangesA);
ASSERT_RANGE("{ [1,5) }", rangesB);
}
TEST(TimeRanges, IntersectWith_Gaps2)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create();
RefPtr<TimeRanges> rangesB = TimeRanges::create();
rangesA->add(0, 2);
rangesA->add(4, 6);
rangesA->add(8, 10);
rangesB->add(1, 9);
ASSERT_RANGE("{ [0,2) [4,6) [8,10) }", rangesA);
ASSERT_RANGE("{ [1,9) }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ [1,2) [4,6) [8,9) }", rangesA);
ASSERT_RANGE("{ [1,9) }", rangesB);
}
TEST(TimeRanges, IntersectWith_Gaps3)
{
RefPtr<TimeRanges> rangesA = TimeRanges::create();
RefPtr<TimeRanges> rangesB = TimeRanges::create();
rangesA->add(0, 2);
rangesA->add(4, 7);
rangesA->add(8, 10);
rangesB->add(1, 5);
rangesB->add(6, 9);
ASSERT_RANGE("{ [0,2) [4,7) [8,10) }", rangesA);
ASSERT_RANGE("{ [1,5) [6,9) }", rangesB);
rangesA->intersectWith(*rangesB.get());
ASSERT_RANGE("{ [1,2) [4,5) [6,7) [8,9) }", rangesA);
ASSERT_RANGE("{ [1,5) [6,9) }", rangesB);
}
}