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<!doctype html>
<html>
<meta charset="utf-8">
<title>Test SVGNumberList animation on 'rotate' attribute of text.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/SVGAnimationTestCase-testharness.js"></script>

<svg>
</svg>

<script>
var rootSVGElement = document.querySelector("svg");
var epsilon = 1.0;

// Setup test document
var text = createSVGElement("text");
text.textContent = "ABCD";
text.setAttribute("x", "40 60 80 100");
text.setAttribute("y", "60");
text.setAttribute("rotate", "15");
text.setAttribute("fill", "green");
text.setAttribute("onclick", "executeTest()");

var animate = createSVGElement("animate");
animate.setAttribute("id", "animation");
animate.setAttribute("attributeName", "rotate");
animate.setAttribute("begin", "0s");
animate.setAttribute("dur", "4s");
animate.setAttribute("from", "0 0 0 0");
animate.setAttribute("to", "45 90 135 180");
text.appendChild(animate);
rootSVGElement.appendChild(text);

// Setup animation test
function sample1() {
    assert_equals(text.rotate.animVal.numberOfItems, 1);
    assert_approx_equals(text.rotate.animVal.getItem(0).value, 15, epsilon);

    assert_equals(text.rotate.baseVal.numberOfItems, 1);
    assert_equals(text.rotate.baseVal.getItem(0).value, 15);
}

function sample2() {
    assert_equals(text.rotate.animVal.numberOfItems, 4);
    assert_approx_equals(text.rotate.animVal.getItem(0).value, 0, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(1).value, 0, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(2).value, 0, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(3).value, 0, epsilon);

    assert_equals(text.rotate.baseVal.numberOfItems, 1);
    assert_equals(text.rotate.baseVal.getItem(0).value, 15);
}

function sample3() {
    assert_equals(text.rotate.animVal.numberOfItems, 4);
    assert_approx_equals(text.rotate.animVal.getItem(0).value, 22.5, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(1).value, 45, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(2).value, 67.5, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(3).value, 90, epsilon);

    assert_equals(text.rotate.baseVal.numberOfItems, 1);
    assert_equals(text.rotate.baseVal.getItem(0).value, 15);
}

function sample4() {
    assert_equals(text.rotate.animVal.numberOfItems, 4);
    assert_approx_equals(text.rotate.animVal.getItem(0).value, 45, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(1).value, 90, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(2).value, 135, epsilon);
    assert_approx_equals(text.rotate.animVal.getItem(3).value, 180, epsilon);

    assert_equals(text.rotate.baseVal.numberOfItems, 1);
    assert_equals(text.rotate.baseVal.getItem(0).value, 15);
}

smil_async_test((t) => {
    const expectedValues = [
        // [animationId, time, sampleCallback]
        ["animation", 0.0,   sample1],
        ["animation", 0.001, sample2],
        ["animation", 2.0,   sample3],
        ["animation", 3.999, sample4],
        ["animation", 4.001, sample1]
    ];

    runAnimationTest(t, expectedValues);
});

</script>