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var fakeCustomData = (function() {
var buffer = new ArrayBuffer(2);
new DataView(buffer).setInt16(0, 42, true);
var canvas = document.createElement("canvas");
canvas.width = canvas.height = 100;
var context = canvas.getContext("2d");
var map = new Map();
var set = new Set();
map.set("test", 42);
set.add(4);
set.add(2);
return {
primitives: {
a: 123,
b: "test",
c: true,
d: [1, 2, 3],
},
date: new Date(2013, 2, 1, 1, 10),
regexp: new RegExp("[^.]+"),
arrayBuffer: buffer,
imageData: context.createImageData(100, 100),
map,
set,
};
})();
function assert_custom_data(dataObj) {
assert_equals(typeof dataObj, "object", "data should be a JS object");
assert_equals(
JSON.stringify(dataObj.primitives),
JSON.stringify(fakeCustomData.primitives),
"data.primitives should be preserved"
);
assert_equals(
dataObj.date.toDateString(),
fakeCustomData.date.toDateString(),
"data.date should be preserved"
);
assert_equals(
"www",
"data.regexp should be preserved"
);
assert_equals(
new Int16Array(dataObj.arrayBuffer)[0],
42,
"data.arrayBuffer should be preserved"
);
assert_equals(
JSON.stringify(dataObj.imageData.data),
JSON.stringify(fakeCustomData.imageData.data),
"data.imageData should be preserved"
)
assert_equals(
dataObj.map.get("test"),
42,
"data.map should be preserved"
);
assert_true(
dataObj.set.has(4) && dataObj.set.has(2),
"data.set should be preserved"
);
}