Blitz - WPT: DOMQuad-nan.html

Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)

Subtest	Status	Message
Setting DOMQuad's p1.x to NaN	FAIL	DOMQuad is not defined
Setting DOMQuad's p1.y to NaN	FAIL	DOMQuad is not defined
Setting DOMQuad's p2.x to NaN	FAIL	DOMQuad is not defined
Setting DOMQuad's p2.y to NaN	FAIL	DOMQuad is not defined
Setting DOMQuad's p3.x to NaN	FAIL	DOMQuad is not defined
Setting DOMQuad's p3.y to NaN	FAIL	DOMQuad is not defined
Setting DOMQuad's p4.x to NaN	FAIL	DOMQuad is not defined
Setting DOMQuad's p4.y to NaN	FAIL	DOMQuad is not defined

Enable JavaScript in test iframe

/css/geometry/DOMQuad-nan.html

<!DOCTYPE html>
<meta charset=utf-8>
<title>DOMRect's handling of NaN in top/bottom/left/right</title>
<link rel=help href="https://drafts.fxtf.org/geometry/#dom-domrectreadonly-domrect-top">
<link rel=help href="https://drafts.fxtf.org/geometry/#dom-domrectreadonly-domrect-bottom">
<link rel=help href="https://drafts.fxtf.org/geometry/#dom-domrectreadonly-domrect-left">
<link rel=help href="https://drafts.fxtf.org/geometry/#dom-domrectreadonly-domrect-right">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";

for (const i of [1, 2, 3, 4]) {
  for (const comp of ["x", "y"]) {
    test(() => {
      const args = [{ x: 0, y: 0 }, { x: 0, y: 0 }, { x: 0, y: 0 }, { x: 0, y: 0 }];
      args[i - 1][comp] = NaN;
      const quad = new DOMQuad(...args);
      const bounds = quad.getBounds();
      if (comp === "x") {
        assert_equals(bounds.x, NaN, "x coordinate");
        assert_equals(bounds.y, 0, "y coordinate");
        assert_equals(bounds.width, NaN, "width");
        assert_equals(bounds.height, 0, "height");
      } else {
        assert_equals(bounds.x, 0, "x coordinate");
        assert_equals(bounds.y, NaN, "y coordinate");
        assert_equals(bounds.width, 0, "width");
        assert_equals(bounds.height, NaN, "height");
      }
    }, `Setting DOMQuad's p${i}.${comp} to NaN`);
  }
}
</script>