<!DOCTYPE html>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<style>
a { visibility: hidden; }
</style>

<div id='container'>
    <div id='child'></div>
</div>
<div id='element'></div>

<a href='example.com/unvisited' id='unvisited'><div id='unvisitedchild'>Unvisited</div></a>
<a href='' id='visited'><div id='visitedchild'>Visited</div></a>

<script>

var container = document.getElementById('container');
var child = document.getElementById('child');
var element = document.getElementById('element');
var unvisited = document.getElementById('unvisited');
var visited = document.getElementById('visited');
var unvisitedChild = document.getElementById('unvisitedchild');
var visitedChild = document.getElementById('visitedchild');

test(function() {
    var keyframes = [
        {backgroundColor: 'currentColor'},
        {backgroundColor: 'rgb(0, 68, 0)'}
    ];

    element.style.color = 'rgb(204, 0, 0)';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    element.style.color = 'rgb(0, 0, 204)';
    assert_equals(getComputedStyle(element).backgroundColor, 'rgb(0, 34, 102)');
}, 'Background color responsive to currentColor changes');

test(function() {
    var keyframes = [
        {backgroundColor: 'rgba(250, 240, 220, 0.431372549)'},
        {backgroundColor: 'currentColor'}
    ];

    element.style.color = 'rgb(204, 0, 0)';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 3;
    element.style.color = 'rgba(160, 190, 180, 0.980392157)';
    assert_equals(getComputedStyle(element).backgroundColor, 'rgba(206, 215, 200, 0.596078)');
}, 'Color interpolation uses pre-multiplied colors');

test(function() {
    var keyframes = [
        {
            borderBottomColor: 'currentColor',
            borderLeftColor: 'currentColor',
            borderRightColor: 'currentColor',
            borderTopColor: 'currentColor',
            offset: 0
        },
        {
            borderBottomColor: 'rgb(0, 68, 0)',
            borderLeftColor: 'rgb(0, 70, 0)',
            borderRightColor: 'rgb(0, 72, 0)',
            borderTopColor: 'rgb(0, 74, 0)',
            offset: 1
        }
    ];

    element.style.color = 'rgb(204, 0, 0)';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    element.style.color = 'rgb(0, 0, 204)';
    assert_equals(getComputedStyle(element).borderBottomColor, 'rgb(0, 34, 102)');
    assert_equals(getComputedStyle(element).borderLeftColor, 'rgb(0, 35, 102)');
    assert_equals(getComputedStyle(element).borderRightColor, 'rgb(0, 36, 102)');
    assert_equals(getComputedStyle(element).borderTopColor, 'rgb(0, 37, 102)');
}, 'Border color responsive to currentColor changes');

test(function() {
    var keyframes = [
        {
            borderBottomColor: 'currentColor',
            borderLeftColor: 'currentColor',
            borderRightColor: 'currentColor',
            borderTopColor: 'currentColor',
            offset: 0
        },
        {
            borderBottomColor: 'rgb(0, 68, 0)',
            borderLeftColor: 'rgb(0, 70, 0)',
            borderRightColor: 'rgb(0, 72, 0)',
            borderTopColor: 'rgb(0, 74, 0)',
            offset: 1
        }
    ];

    element.style.color = 'rgb(204, 0, 0)';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    element.style.color = 'rgb(0, 0, 200)';
    assert_equals(getComputedStyle(element).borderBottomColor, 'rgb(0, 34, 100)');
    assert_equals(getComputedStyle(element).borderLeftColor, 'rgb(0, 35, 100)');
    assert_equals(getComputedStyle(element).borderRightColor, 'rgb(0, 36, 100)');
    assert_equals(getComputedStyle(element).borderTopColor, 'rgb(0, 37, 100)');
}, 'Border color responsive to currentColor changes again');

test(function() {
    var keyframes = [
        {outlineColor: 'currentColor'},
        {outlineColor: 'rgb(0, 68, 0)'}
    ];

    element.style.color = 'rgb(204, 0, 0)';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    element.style.color = 'rgb(0, 0, 204)';
    assert_equals(getComputedStyle(element).outlineColor, 'rgb(0, 34, 102)');
}, 'Outline color responsive to currentColor changes');

test(function() {
    var keyframes = [
        {textDecorationColor: 'rgb(0, 68, 0)'},
        {textDecorationColor: 'currentColor'}
    ];

    element.style.color = 'rgb(204, 0, 0)';
    var player = element.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    element.style.color = 'rgb(0, 0, 204)';
    assert_equals(getComputedStyle(element).textDecorationColor, 'rgb(0, 34, 102)');
}, 'Text decoration color responsive to currentColor changes');

test(function() {
    var keyframes = [
        {color: 'currentColor'},
        {color: 'rgb(0, 68, 0)'}
    ];

    child.style.color = 'rgb(10, 10, 10)'; // Should be ignored
    container.style.color = 'rgb(204, 0, 0)';
    var player = child.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    container.style.color = 'rgb(0, 0, 204)';
    assert_equals(getComputedStyle(child).color, 'rgb(0, 34, 102)');
    player.currentTime = 7.5;
    container.style.color = 'rgb(136, 0, 136)';
    assert_equals(getComputedStyle(child).color, 'rgb(34, 51, 34)');
}, 'Color responsive to parent currentColor changes');

test(function() {
    var keyframes = [
        {color: 'rgb(0, 68, 0)'},
        {color: 'currentColor'}
    ];

    child.style.color = 'rgb(10, 10, 10)'; // Should be ignored
    container.style.color = 'rgb(204, 0, 0)';
    var player = child.animate(keyframes, 10);
    player.pause();
    player.currentTime = 5;
    container.style.color = 'rgb(0, 0, 204)';
    assert_equals(getComputedStyle(child).color, 'rgb(0, 34, 102)');
    player.currentTime = 7.5;
    container.style.color = 'rgb(136, 0, 68)';
    assert_equals(getComputedStyle(child).color, 'rgb(102, 17, 51)');
}, 'Color responsive to repeated parent currentColor changes');

test(function() {
    var keyframes = [
        {backgroundColor: 'currentColor'},
        {backgroundColor: 'rgb(100, 150, 200)'}
    ];

    var player1 = unvisited.animate(keyframes, 10);
    var player2 = visited.animate(keyframes, 10);
    player1.pause();
    player2.pause();
    player1.currentTime = 5;
    player2.currentTime = 5;
    assert_equals(getComputedStyle(unvisited).backgroundColor, getComputedStyle(visited).backgroundColor);
}, 'Color animations do not expose visited status');

test(function() {
    var keyframes = [
        {color: 'rgb(100, 150, 200)'},
        {color: 'currentColor'}
    ];

    var player1 = unvisitedChild.animate(keyframes, 10);
    var player2 = visitedChild.animate(keyframes, 10);
    player1.pause();
    player2.pause();
    player1.currentTime = 5;
    player2.currentTime = 5;
    assert_equals(getComputedStyle(unvisitedChild).color, getComputedStyle(visitedChild).color);
}, 'Color animations do not expose parent visited status');

</script>