wpt/css/css-conditional/container-queries/scroll-state/scroll-state-scrolled-mouse-drag-scroll.html at master · web-platform-tests/wpt · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
<!DOCTYPE html>
<title>@container: scroll-state(scrolled) user mouse drag scroll</title>
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#scrolled">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/web-animations/testcommon.js"></script>
<script src="/dom/events/scrolling/scroll_support.js"></script>
<script src="/css/css-conditional/container-queries/support/cq-testcommon.js"></script>
<style>
  #scroller {
    width: 200px;
    height: 200px;
    container-type: scroll-state;
    overflow: scroll;
  }
  #filler {
    height: 600px;
    width: 600px;
  }
  #target {
    --none: no;
    --x: no;
    --y: no;
    @container scroll-state(scrolled: none) {
      --none: yes;
    }
    @container scroll-state(scrolled: y) {
      --y: yes;
    }
    @container scroll-state(scrolled: x) {
      --x: yes;
    }
  }
</style>
<div id="scroller">
  <div id="filler">
    <div id="target"></div>
  </div>
</div>
<script>
  setup(() => assert_implements_scroll_state_container_queries());

  function drag_scrollbar(start_pos, end_pos) {
    return new test_driver.Actions()
        .addPointer("TestPointer", "mouse")
        .pointerMove(Math.round(start_pos.x), Math.round(start_pos.y))
        .pointerDown()
        .addTick(100)
        .pointerMove(Math.round(end_pos.x), Math.round(end_pos.y))
        .pointerUp()
        .send();
  }

  promise_test(async t => {
    let scrollEndPromise = waitForScrollEndFallbackToDelayWithoutScrollEvent(scroller);

    // Skip test on platforms that do not have a visible scrollbar (e.g.
    // overlay scrollbar).
    const scrollbar_width = scroller.offsetWidth - scroller.clientWidth;
    if (scrollbar_width == 0) {
      return;
    }
    assert_equals(scroller.scrollTop, 0);

    // Vertical scrollbar position top right
    const start_pos = {
      x: 200,
      y: 30,
    };
    const end_pos = { x: 200, y: 200 };

    await drag_scrollbar(start_pos, end_pos);
    await scrollEndPromise;
    await waitForAnimationFrames(2);

    assert_not_equals(scroller.scrollTop, 0);
    assert_equals(getComputedStyle(target).getPropertyValue("--none"), "yes");
    assert_equals(getComputedStyle(target).getPropertyValue("--y"), "no");

  }, "Vertical scrollbar drag scroll");

  promise_test(async t => {
    let scrollEndPromise = waitForScrollEndFallbackToDelayWithoutScrollEvent(scroller);

    // Skip test on platforms that do not have a visible scrollbar (e.g.
    // overlay scrollbar).
    const scrollbar_height = scroller.offsetHeight - scroller.clientHeight;
    if (scrollbar_height == 0) {
      return;
    }
    assert_equals(scroller.scrollLeft, 0);

    // Horizontal scrollbar position bottom left
    const start_pos = {
      x: 30,
      y: 200,
    };
    const end_pos = { x: 200, y: 200 };

    await drag_scrollbar(start_pos, end_pos);
    await scrollEndPromise;
    await waitForAnimationFrames(2);

    assert_not_equals(scroller.scrollLeft, 0);
    assert_equals(getComputedStyle(target).getPropertyValue("--none"), "yes");
    assert_equals(getComputedStyle(target).getPropertyValue("--x"), "no");

  }, "Horizontal scrollbar drag scroll");

</script>