<!DOCTYPE HTML>
<title>SVGLengthList, basics</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200">
    <text x="500 1000 1500" y="50">   ABC  </text>
</svg>
<script>
test(function() {
  var text1 = document.querySelector("text");
  var xBaseValList = text1.x.baseVal;
  var xAnimValList = text1.x.animVal;

  // Spec: The object referenced by animVal will always be distinct from the one referenced by baseVal, even when the attribute is not animated.
  assert_not_equals(xBaseValList, xAnimValList);

  assert_equals(xBaseValList.numberOfItems, 3);
  assert_equals(xAnimValList.numberOfItems, 3);
  assert_equals(xBaseValList.getItem(0).value, 500);
  assert_equals(xBaseValList.getItem(1).value, 1000);
  assert_equals(xBaseValList.getItem(2).value, 1500);

  // Test uncommon arguments for initialize().
  assert_throws_js(TypeError, function() { xBaseValList.initialize(30); });
  assert_throws_js(TypeError, function() { xBaseValList.initialize('aString'); });
  assert_throws_js(TypeError, function() { xBaseValList.initialize(text1); });
  assert_throws_js(TypeError, function() { xBaseValList.initialize(null); });

  // Test uncommon arguments for getItem().
  assert_throws_dom("IndexSizeError", function() { xBaseValList.getItem(30); });
  assert_equals(xBaseValList.getItem('aString').value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.getItem(text1).value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.getItem(null).value, xBaseValList.getItem(0).value);

  // Test uncommon arguments for insertItemBefore().
  assert_throws_js(TypeError, function() { xBaseValList.insertItemBefore(30); });
  assert_throws_js(TypeError, function() { xBaseValList.insertItemBefore('aString'); });
  assert_throws_js(TypeError, function() { xBaseValList.insertItemBefore(text1); });
  assert_throws_js(TypeError, function() { xBaseValList.insertItemBefore(null); });

  assert_equals(xBaseValList.insertItemBefore(xBaseValList.getItem(1), 'aString').value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.numberOfItems, 4);
  assert_equals(xBaseValList.getItem(0).value, 1000);
  assert_equals(xBaseValList.getItem(1).value, 500);
  assert_equals(xBaseValList.getItem(2).value, 1000);
  assert_equals(xBaseValList.getItem(3).value, 1500);
  assert_equals(text1.getAttribute('x'), "1000 500 1000 1500");

  assert_equals(xBaseValList.insertItemBefore(xBaseValList.getItem(1), text1).value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.numberOfItems, 5);
  assert_equals(xBaseValList.getItem(0).value, 500);
  assert_equals(xBaseValList.getItem(1).value, 1000);
  assert_equals(xBaseValList.getItem(2).value, 500);
  assert_equals(xBaseValList.getItem(3).value, 1000);
  assert_equals(xBaseValList.getItem(4).value, 1500);

  assert_equals(text1.getAttribute('x'), "500 1000 500 1000 1500");

  assert_equals(xBaseValList.insertItemBefore(xBaseValList.getItem(1), null).value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.numberOfItems, 6);
  assert_equals(xBaseValList.getItem(0).value, 1000);
  assert_equals(xBaseValList.getItem(1).value, 500);
  assert_equals(xBaseValList.getItem(2).value, 1000);
  assert_equals(xBaseValList.getItem(3).value, 500);
  assert_equals(xBaseValList.getItem(4).value, 1000);
  assert_equals(xBaseValList.getItem(5).value, 1500);
  assert_equals(text1.getAttribute('x'), "1000 500 1000 500 1000 1500");

  assert_equals(xBaseValList.insertItemBefore(xBaseValList.getItem(1), 0).value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.numberOfItems, 7);
  assert_equals(xBaseValList.getItem(0).value, 500);
  assert_equals(xBaseValList.getItem(1).value, 1000);
  assert_equals(xBaseValList.getItem(2).value, 500);
  assert_equals(xBaseValList.getItem(3).value, 1000);
  assert_equals(xBaseValList.getItem(4).value, 500);
  assert_equals(xBaseValList.getItem(5).value, 1000);
  assert_equals(xBaseValList.getItem(6).value, 1500);
  assert_equals(text1.getAttribute('x'), "500 1000 500 1000 500 1000 1500");

  assert_throws_js(TypeError, function() { xBaseValList.insertItemBefore(30, 0); });
  assert_throws_js(TypeError, function() { xBaseValList.insertItemBefore('aString', 0); });
  assert_throws_js(TypeError, function() { xBaseValList.insertItemBefore(text1, 0); });
  assert_throws_js(TypeError, function() { xBaseValList.insertItemBefore(null, 0); });

  // Set x='1 2 3 4' for text1.
  text1.setAttribute('x', '1 2 3 4');

  // Test edge cases for insertItemBefore().
  assert_equals(xBaseValList.insertItemBefore(xBaseValList.getItem(3), 3).value, xBaseValList.getItem(3).value);
  assert_equals(text1.getAttribute('x'), "1 2 3 4 4");
  assert_equals(xBaseValList.insertItemBefore(xBaseValList.getItem(1), 5).value, xBaseValList.getItem(5).value);
  assert_equals(text1.getAttribute('x'), "1 2 3 4 4 2");
  assert_equals(xBaseValList.insertItemBefore(xBaseValList.getItem(1), 0).value, xBaseValList.getItem(0).value);
  assert_equals(text1.getAttribute('x'), "2 1 2 3 4 4 2");

  // Set x='1 2 3 4' for text1.
  text1.setAttribute('x', '1 2 3 4');
  assert_equals(xBaseValList.numberOfItems, 4);
  assert_equals(xBaseValList.getItem(0).value, 1);
  assert_equals(xBaseValList.getItem(1).value, 2);
  assert_equals(xBaseValList.getItem(2).value, 3);
  assert_equals(xBaseValList.getItem(3).value, 4);
  assert_equals(text1.getAttribute('x'), "1 2 3 4");

  // Test uncommon arguments for replaceItem().
  assert_throws_js(TypeError, function() { xBaseValList.replaceItem(30); });
  assert_throws_js(TypeError, function() { xBaseValList.replaceItem('aString'); });
  assert_throws_js(TypeError, function() { xBaseValList.replaceItem(text1); });
  assert_throws_js(TypeError, function() { xBaseValList.replaceItem(null); });
  assert_throws_js(TypeError, function() { xBaseValList.replaceItem(30, 0); });
  assert_throws_js(TypeError, function() { xBaseValList.replaceItem('aString', 0); });
  assert_throws_js(TypeError, function() { xBaseValList.replaceItem(text1, 0); });
  assert_throws_js(TypeError, function() { xBaseValList.replaceItem(null, 0); });

  // Test uncommon values for indexed setter.
  assert_throws_js(TypeError, function() { xBaseValList[0] = 30; });
  assert_throws_js(TypeError, function() { xBaseValList[0] = 'aString'; });
  assert_throws_js(TypeError, function() { xBaseValList[0] = text1; });
  assert_throws_js(TypeError, function() { xBaseValList[0] = null; });

  assert_equals(xBaseValList.replaceItem(xBaseValList.getItem(0), 0).value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.numberOfItems, 4);
  assert_equals(xBaseValList.getItem(0).value, 1);
  assert_equals(xBaseValList.getItem(1).value, 2);
  assert_equals(xBaseValList.getItem(2).value, 3);
  assert_equals(xBaseValList.getItem(3).value, 4);
  assert_equals(text1.getAttribute('x'), "1 2 3 4");

  assert_equals(xBaseValList.replaceItem(xBaseValList.getItem(0), 'aString').value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.numberOfItems, 4);
  assert_equals(xBaseValList.getItem(0).value, 1);
  assert_equals(xBaseValList.getItem(1).value, 2);
  assert_equals(xBaseValList.getItem(2).value, 3);
  assert_equals(xBaseValList.getItem(3).value, 4);
  assert_equals(text1.getAttribute('x'), "1 2 3 4");

  assert_equals(xBaseValList.replaceItem(xBaseValList.getItem(0), text1).value, xBaseValList.getItem(0).value);
  assert_equals(xBaseValList.numberOfItems, 4);
  assert_equals(text1.getAttribute('x'), "1 2 3 4");

  // Set x='1 2 3 4' for text1.
  text1.setAttribute('x', '1 2 3 4');

  // Test edge cases for replaceItem().
  assert_equals(xBaseValList.replaceItem(xBaseValList.getItem(3), 3).value, xBaseValList.getItem(3).value);
  assert_equals(xBaseValList.numberOfItems, 4);
  assert_equals(text1.getAttribute('x'), "1 2 3 4");
  assert_equals(xBaseValList.replaceItem(xBaseValList.getItem(1), 3).value, xBaseValList.getItem(3).value);
  assert_equals(xBaseValList.numberOfItems, 4);
  assert_equals(text1.getAttribute('x'), "1 2 3 2");
  assert_throws_dom("IndexSizeError", function() { xBaseValList.replaceItem(xBaseValList.getItem(3), 4); });

  // Set x='1 2 3 4' for text1.
  text1.setAttribute('x', '1 2 3 4');

  // Test uncommon arguments for removeItem().
  assert_throws_dom("IndexSizeError", function() { xBaseValList.removeItem(30); });

  assert_equals(xBaseValList.removeItem(0).value, 1);
  assert_equals(xBaseValList.numberOfItems, 3);
  assert_equals(xBaseValList.getItem(0).value, 2);
  assert_equals(xBaseValList.getItem(1).value, 3);
  assert_equals(xBaseValList.getItem(2).value, 4);
  assert_equals(text1.getAttribute('x'), "2 3 4");

  assert_equals(xBaseValList.removeItem(text1).value, 2);
  assert_equals(xBaseValList.numberOfItems, 2);
  assert_equals(xBaseValList.getItem(0).value, 3);
  assert_equals(xBaseValList.getItem(1).value, 4);
  assert_equals(text1.getAttribute('x'), "3 4");

  // Test uncommon arguments for appendItem().
  assert_throws_js(TypeError, function() { xBaseValList.appendItem(30); });
  assert_throws_js(TypeError, function() { xBaseValList.appendItem('aString'); });
  assert_throws_js(TypeError, function() { xBaseValList.appendItem(text1); });
  assert_throws_js(TypeError, function() { xBaseValList.appendItem(null); });

  // Testing animVal clear throws.
  assert_throws_dom("NoModificationAllowedError", function() { xAnimValList.clear(); });
  xBaseValList.clear();
});
</script>
