<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<link rel="help" href="http://www.w3.org/TR/2013/WD-2dcontext2-20130528/#dom-context-2d-setlinedash">
<script src="../../resources/js-test.js"></script>
</head>
<body>
<script>
description("Test that setLineDash converts input argument into a Web IDL sequence");
var canvas = document.createElement('canvas');
document.body.appendChild(canvas);
canvas.setAttribute('width', '700');
canvas.setAttribute('height', '700');
var ctx = canvas.getContext('2d');
var arrayValues = [5, 15, 25];
function createTestArray(arrayType) {
var array;
if (arrayType == Object) {
// Test a "sequence" (Object with length property).
array = {length: arrayValues.length};
} else {
array = new arrayType(arrayValues.length);
}
for (var i = 0; i < arrayValues.length; ++i)
array[i] = arrayValues[i]
return array;
}
var lineDash;
var inputArray;
function checkLineDash(testArray, shouldFail) {
inputArray = testArray;
// Reset line dash.
ctx.setLineDash([]);
// Set line dash.
if (shouldFail) {
shouldThrow("ctx.setLineDash(inputArray)", "'TypeError: Failed to execute \\'setLineDash\\' on \\'CanvasRenderingContext2D\\': The 1st argument is neither an array, nor does it have indexed properties.'");
} else {
ctx.setLineDash(inputArray);
lineDash = ctx.getLineDash();
for (var i = 0; i < arrayValues.length; ++i)
shouldBe("lineDash[" + i + "]", "" + arrayValues[i]);
}
}
var arrayTypes = [Array, Int8Array, Int16Array, Int32Array, Uint8Array, Uint16Array, Uint32Array, Float32Array, Float64Array, Uint8ClampedArray, Object];
// Success cases.
for (var i = 0; i < arrayTypes.length; ++i) {
debug("* Test passing a " + arrayTypes[i].name + " as input.");
checkLineDash(createTestArray(arrayTypes[i]), false);
}
// Failure cases.
debug("* Test passing a Date as input.");
checkLineDash(new Date(), true);
debug("* Test passing a RegExp as input.");
checkLineDash(new RegExp(), true);
debug("* Test passing an Object without length as input.");
checkLineDash({test: 1}, true);
debug("* Test passing a Number as input.");
checkLineDash(3, true);
debug("* Test passing a String as input.");
checkLineDash("Test", true);
debug("* Test passing a Boolean as input.");
checkLineDash(true, true);
debug("* Test passing null as input.");
checkLineDash(null, true);
debug("* Test passing undefined as input.");
checkLineDash(undefined, true);
</script>
</body>
</html>