<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test-pre.js"></script>
<input type="number" id="testNumber" value="0">

<table id="testTable">
  <thead id="testTableSection">
    <tr></tr>
  </thead>
  <tr id="testRow">
    <td id="testCell"></td
  </tr>
</table>

<canvas id="testCanvas" width="100" height="100">

<script>
description("Checks the behavior of passing undefined for optional parameters that have default values");

debug("* HTMLInputElement.stepUp(optional long n = 1)");
var testNumber = document.getElementById("testNumber");
shouldBeEqualToString("testNumber.value", "0");
evalAndLog("testNumber.stepUp()");
shouldBeEqualToString("testNumber.value", "1");
evalAndLog("testNumber.stepUp(undefined)");
shouldBeEqualToString("testNumber.value", "2");

debug("");
debug("* HTMLInputElement.stepDown(optional long n = 1)");
evalAndLog("testNumber.stepDown()");
shouldBeEqualToString("testNumber.value", "1");
evalAndLog("testNumber.stepDown(undefined)");
shouldBeEqualToString("testNumber.value", "0");

debug("");
debug("* HTMLTableElement.insertRow(optional long index = -1)");
// Should append the row if index is missing or undefined.
var testTable = document.getElementById("testTable");
var newRow1;
evalAndLog("newRow1 = testTable.insertRow()");
shouldBe("testTable.rows[testTable.rows.length - 1]", "newRow1");
var newRow2
evalAndLog("newRow2 = testTable.insertRow(undefined)");
shouldBe("testTable.rows[testTable.rows.length - 1]", "newRow2");

debug("");
debug("* HTMLTableRowElement.insertCell(optional long index = -1)");
// Should append the cell if index is missing or undefined.
var testRow = document.getElementById("testRow");
var newCell1;
evalAndLog("newCell1 = testRow.insertCell()");
shouldBe("testRow.cells[testRow.cells.length - 1]", "newCell1");
var newCell2;
evalAndLog("newCell2 = testRow.insertCell(undefined)");
shouldBe("testRow.cells[testRow.cells.length - 1]", "newCell2");

debug("");
debug("* HTMLTableSectionElement.insertRow(optional long index = -1)");
// Should append the row if index is missing or undefined.
var testTableSection = document.getElementById("testTableSection");
var newRow3;
evalAndLog("newRow3 = testTableSection.insertRow()");
shouldBe("testTable.rows[testTableSection.rows.length - 1]", "newRow3");
var newRow4;
evalAndLog("newRow4 = testTableSection.insertRow(undefined)");
shouldBe("testTable.rows[testTableSection.rows.length - 1]", "newRow4");

debug("");
debug("* CanvasRenderingContext2D.fill(optional CanvasWindingRule winding = 'nonzero')");
var ctx = document.getElementById("testCanvas").getContext("2d");
ctx.rect(0, 0, 150, 100);
ctx.fillStyle = "red";
shouldNotThrow("ctx.fill(undefined)");

debug("");
debug("* CanvasRenderingContext2D.fill(Path2D path, optional CanvasWindingRule winding = 'nonzero')");
var path = new Path2D();
shouldNotThrow("ctx.fill(path, undefined)");

debug("");
debug("* CanvasRenderingContext2D.clip(optional CanvasWindingRule winding = 'nonzero')");
shouldNotThrow("ctx.clip(undefined)");

debug("");
debug("* CanvasRenderingContext2D.clip(Path2D path, optional CanvasWindingRule winding = 'nonzero')");
shouldNotThrow("ctx.clip(path, undefined)");

debug("");
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>