root/Source/core/html/TimeRangesTest.cpp

DEFINITIONS

1. ToString
2. TEST
3. TEST
4. TEST
5. TEST
6. TEST
7. TEST
8. TEST
9. TEST
10. TEST
11. TEST
12. TEST
13. TEST
14. TEST
15. TEST
16. TEST

/*
 * 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.
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 * 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
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#include "config.h"
#include "core/html/TimeRanges.h"

#include "bindings/v8/ExceptionStatePlaceholder.h"
#include <gtest/gtest.h>

#include <sstream>

using WebCore::TimeRanges;

static std::string ToString(const TimeRanges& ranges)
{
    std::stringstream ss;
    ss << "{";
    for (unsigned i = 0; i < ranges.length(); ++i)
        ss << " [" << ranges.start(i, IGNORE_EXCEPTION) << "," << ranges.end(i, IGNORE_EXCEPTION) << ")";
    ss << " }";

    return ss.str();
}

#define ASSERT_RANGE(expected, range) ASSERT_EQ(expected, ToString(*range))

TEST(TimeRanges, Empty)
{
    ASSERT_RANGE("{ }", TimeRanges::create());
}

TEST(TimeRanges, SingleRange)
{
    ASSERT_RANGE("{ [1,2) }", TimeRanges::create(1, 2));
}

TEST(TimeRanges, CreateFromWebTimeRanges)
{
    blink::WebTimeRanges webRanges(static_cast<size_t>(2));
    webRanges[0].start = 0;
    webRanges[0].end = 1;
    webRanges[1].start = 2;
    webRanges[1].end = 3;
    ASSERT_RANGE("{ [0,1) [2,3) }", TimeRanges::create(webRanges));
}

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, IGNORE_EXCEPTION), rangeA->end(i, IGNORE_EXCEPTION));

    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);
}