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chromium/third_party/blink/web_tests/external/wpt/svg/types/scripted/SVGAnimatedEnumeration-SVGPatternElement.html 

<!DOCTYPE HTML>
<title>Use of SVGAnimatedEnumeration within SVGPatternElement</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(function() {
  // This test checks the use of SVGAnimatedEnumeration within SVGPatternElement.

  var patternElement = document.createElementNS("http://www.w3.org/2000/svg", "pattern");
  patternElement.setAttribute("patternUnits", "userSpaceOnUse");
  patternElement.setAttribute("patternContentUnits", "userSpaceOnUse");

  // patternUnits
  // Check initial 'patternUnits' value.
  assert_true(patternElement.patternUnits instanceof SVGAnimatedEnumeration);
  assert_equals(typeof(patternElement.patternUnits.baseVal), "number");
  assert_equals(patternElement.patternUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_USERSPACEONUSE);

  // Switch to 'objectBoundingBox'.
  patternElement.patternUnits.baseVal = SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX;
  assert_equals(patternElement.patternUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
  assert_equals(patternElement.getAttribute('patternUnits'), "objectBoundingBox");

  // Try setting invalid values.
  assert_throws_js(TypeError, function() { patternElement.patternUnits.baseVal = 3; });
  assert_equals(patternElement.patternUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
  assert_equals(patternElement.getAttribute('patternUnits'), "objectBoundingBox");

  assert_throws_js(TypeError, function() { patternElement.patternUnits.baseVal = -1; });
  assert_equals(patternElement.patternUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
  assert_equals(patternElement.getAttribute('patternUnits'), "objectBoundingBox");

  assert_throws_js(TypeError, function() { patternElement.patternUnits.baseVal = 0; });
  assert_equals(patternElement.patternUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
  assert_equals(patternElement.getAttribute('patternUnits'), "objectBoundingBox");

  // Switch to 'userSpaceOnUse'.
  patternElement.patternUnits.baseVal = SVGUnitTypes.SVG_UNIT_TYPE_USERSPACEONUSE;
  assert_equals(patternElement.patternUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_USERSPACEONUSE);
  assert_equals(patternElement.getAttribute('patternUnits'), "userSpaceOnUse");

  // patternContentUnits
  // Check initial 'patternContentUnits' value.
  assert_true(patternElement.patternContentUnits instanceof SVGAnimatedEnumeration);
  assert_equals(typeof(patternElement.patternContentUnits.baseVal), "number");
  assert_equals(patternElement.patternContentUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_USERSPACEONUSE);

  // Switch to 'objectBoundingBox'.
  patternElement.patternContentUnits.baseVal = SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX;
  assert_equals(patternElement.patternContentUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
  assert_equals(patternElement.getAttribute('patternContentUnits'), "objectBoundingBox");

  // Try setting invalid values.
  assert_throws_js(TypeError, function() { patternElement.patternContentUnits.baseVal = 3; });
  assert_equals(patternElement.patternContentUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
  assert_equals(patternElement.getAttribute('patternContentUnits'), "objectBoundingBox");

  assert_throws_js(TypeError, function() { patternElement.patternContentUnits.baseVal = -1; });
  assert_equals(patternElement.patternContentUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
  assert_equals(patternElement.getAttribute('patternContentUnits'), "objectBoundingBox");

  assert_throws_js(TypeError, function() { patternElement.patternContentUnits.baseVal = 0; });
  assert_equals(patternElement.patternContentUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX);
  assert_equals(patternElement.getAttribute('patternContentUnits'), "objectBoundingBox");

  // Switch to 'userSpaceOnUse'.
  patternElement.patternContentUnits.baseVal = SVGUnitTypes.SVG_UNIT_TYPE_USERSPACEONUSE;
  assert_equals(patternElement.patternContentUnits.baseVal, SVGUnitTypes.SVG_UNIT_TYPE_USERSPACEONUSE);
  assert_equals(patternElement.getAttribute('patternContentUnits'), "userSpaceOnUse");
});
</script>