<!DOCTYPE html>
<title>elementFromPoint(...) on &lt;rect>s with simple strokes</title>
<link rel="help" href="https://svgwg.org/svg2-draft/interact.html#hit-testing">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#rect1:hover,
#rect2:hover,
#rect3:hover,
#rect4:hover,
#rect5:hover,
#rect6:hover {
    stroke: #00f;
}
</style>
<svg id="svg" width="420" height="300" version="1.1">
  <rect id="border" x="0.5" y="0.5" width="419" height="299" stroke="#000" stroke-width="1" fill="none"/>

  <rect id="rect1" x="70" y="30" width="100" height="80" stroke="#000" stroke-width="20" fill="none"/>
  <rect id="rect2" x="40" y="150" width="50" height="120" stroke="#000" stroke-width="20" fill="none" transform="rotate(20 65 210)"/>
  <rect id="rect3" x="140" y="200" width="150" height="70" stroke="#000" stroke-width="20" fill="none"/>
  <rect id="rect4" x="220" y="50" width="60" height="10" stroke="#000" stroke-width="20" fill="none"/>
  <rect id="rect5" x="230" y="100" width="10" height="60" stroke="#000" stroke-width="20" fill="none" transform="rotate(-45 235 130)"/>
  <rect id="rect6" x="310" y="130" width="10" height="10" stroke="#000" stroke-width="20" fill="none"/>
</svg>
<script>
// Points are relative to the client rect of the <svg> root.
const tests = [
  { x: 30, y: 12, expectedElemId: "svg" },
  { x: 118, y: 10, expectedElemId: "svg" },
  { x: 197, y: 12, expectedElemId: "svg" },
  { x: 201, y: 28, expectedElemId: "svg" },
  { x: 15, y: 70, expectedElemId: "svg" },
  { x: 97, y: 52, expectedElemId: "svg" },
  { x: 149, y: 49, expectedElemId: "svg" },
  { x: 85, y: 82, expectedElemId: "svg" },
  { x: 122, y: 98, expectedElemId: "svg" },
  { x: 154, y: 75, expectedElemId: "svg" },
  { x: 72, y: 130, expectedElemId: "svg" },
  { x: 48, y: 145, expectedElemId: "svg" },
  { x: 31, y: 279, expectedElemId: "svg" },
  { x: 28, y: 201, expectedElemId: "svg" },
  { x: 71, y: 179, expectedElemId: "svg" },
  { x: 43, y: 244, expectedElemId: "svg" },
  { x: 74, y: 219, expectedElemId: "svg" },
  { x: 94, y: 261, expectedElemId: "svg" },
  { x: 126, y: 231, expectedElemId: "svg" },
  { x: 146, y: 185, expectedElemId: "svg" },
  { x: 173, y: 216, expectedElemId: "svg" },
  { x: 225, y: 258, expectedElemId: "svg" },
  { x: 247, y: 284, expectedElemId: "svg" },
  { x: 286, y: 174, expectedElemId: "svg" },
  { x: 254, y: 120, expectedElemId: "svg" },
  { x: 203, y: 96, expectedElemId: "svg" },
  { x: 244, y: 163, expectedElemId: "svg" },
  { x: 300, y: 37, expectedElemId: "svg" },
  { x: 335, y: 136, expectedElemId: "svg" },

  // Test all four outer corner points of #rect1
  { x: 60, y: 20, expectedElemId: "rect1" },
  { x: 180, y: 20, expectedElemId: "rect1" },
  { x: 180, y: 120, expectedElemId: "rect1" },
  { x: 60, y: 120, expectedElemId: "rect1" },
  // Test all four interior corner points of #rect1
  { x: 80, y: 40, expectedElemId: "rect1" },
  { x: 160, y: 40, expectedElemId: "rect1" },
  { x: 160, y: 100, expectedElemId: "rect1" },
  { x: 80, y: 100, expectedElemId: "rect1" },

  { x: 67, y: 56, expectedElemId: "rect1" },
  { x: 146, y: 27, expectedElemId: "rect1" },
  { x: 173, y: 111, expectedElemId: "rect1" },

  { x: 28, y: 242, expectedElemId: "rect2" },
  { x: 51, y: 182, expectedElemId: "rect2" },
  { x: 89, y: 155, expectedElemId: "rect2" },

  { x: 136, y: 198, expectedElemId: "rect3" },
  { x: 177, y: 270, expectedElemId: "rect3" },
  { x: 275, y: 197, expectedElemId: "rect3" },
  { x: 297, y: 233, expectedElemId: "rect3" },

  { x: 235, y: 47, expectedElemId: "rect4" },
  { x: 272, y: 61, expectedElemId: "rect4" },
  { x: 290, y: 70, expectedElemId: "rect4" },

  { x: 233, y: 140, expectedElemId: "rect5" },

  { x: 312, y: 128, expectedElemId: "rect6" },
  { x: 330, y: 150, expectedElemId: "rect6" }
];

setup(() => {
  const svg = document.getElementById("svg");
  const svgBounds = svg.getBoundingClientRect();
  window.svgOrigin = {
    x: svgBounds.left << 0,
    y: svgBounds.top << 0,
  };
});

tests.forEach(testcase => {
  test(t => {
    const expectedElem = document.getElementById(testcase.expectedElemId);
    const hitElem = document.elementFromPoint(svgOrigin.x + testcase.x, svgOrigin.y + testcase.y);
    assert_equals(hitElem, expectedElem);
  }, `${document.title}, element at (${testcase.x}, ${testcase.y})`);
});
</script>
