<!DOCTYPE html><!-- webkit-test-runner [ ResizeObserverEnabled=true ] -->
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="./resources/resizeTestHelper.js"></script>
<style>
    #target {
        width: 200px;
        height: 200px;
    }
</style>
<div id="target"></div>
<svg height="200" width="200">
    <circle cx="10" cy="10" r="5" style="fill:orange;stroke:black;stroke-width:1" />
</svg>
<script>
'use strict';

// allow uncaught exception because ResizeObserver posts exceptions
// to window error handler when limit is exceeded.
setup({ allow_uncaught_exception: true });

function test0() {
    let target = document.querySelector('#target');
    let helper = new ResizeTestHelper(
        "test0: The change of zoom shouldn't affect resizeObserver size.",
        [
            {
                setup: observer => {
                    observer.observe(target);
                },
                notify: entries => {
                    assert_equals(entries[0].contentRect.width, 200);
                    assert_equals(entries[0].contentRect.height, 200);
                }
            }, 
            {
                setup: observer => {
                    window.internals.setPageZoomFactor(2);
                    target.style.width = "100px";
                },
                notify: entries => {
                    assert_equals(entries[0].contentRect.width, 100);
                    assert_equals(entries[0].contentRect.height, 200);
                }
            }
        ]);
    return helper.start();
}

function test1() {
    let target = document.querySelector('circle');
    let helper = new ResizeTestHelper(
        "test1: The change of zoom shouldn't affect svg resizeObserver size.",
        [
            {
                setup: observer => {
                    observer.observe(target);
                },
                notify: entries => {
                    assert_equals(entries[0].contentRect.width, 10);
                    assert_equals(entries[0].contentRect.height, 10);
                }
            },
            {
                setup: observer => {
                    window.internals.setPageZoomFactor(2);
                    target.setAttribute('r', 10);
                },
                notify: entries => {
                    assert_equals(entries[0].contentRect.width, 20);
                    assert_equals(entries[0].contentRect.height, 20);
                }
            }
        ]);
    return helper.start();
}

let guard;
test(_ => {
    assert_own_property(window, "ResizeObserver");
    guard = async_test('guard');
}, "ResizeObserver implemented")

test0()
    .then(() => { return test1(); })
    .then(() => { guard.done(); });
    
</script>