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// |reftest| skip-if(!this.hasOwnProperty("TypedObject"))
var BUGNUMBER = 578700;
var summary = 'TypedObjects StructType prototype chains';
var ArrayType = TypedObject.ArrayType;
var StructType = TypedObject.StructType;
var uint8 = TypedObject.uint8;
var uint16 = TypedObject.uint16;
var uint32 = TypedObject.uint32;
var uint8Clamped = TypedObject.uint8Clamped;
var int8 = TypedObject.int8;
var int16 = TypedObject.int16;
var int32 = TypedObject.int32;
var float32 = TypedObject.float32;
var float64 = TypedObject.float64;
function runTests() {
var RgbColor1 = new StructType({r: uint8, g: uint8, b: uint8});
var RgbColor2 = new StructType({r: uint8, g: uint8, b: uint8});
var Fade1 = new StructType({from: RgbColor1, to: RgbColor1});
var Fade2 = new StructType({from: RgbColor2, to: RgbColor2});
// Available on all struct types (even though it would only make
// sense on a RgbColor1 or RgbColor2 instance)
StructType.prototype.prototype.sub = function(c) {
this.r -= c;
this.g -= c;
this.b -= c;
};
// Available on `RgbColor2` instances only
RgbColor2.prototype.add = function(c) {
this.r += c;
this.g += c;
this.b += c;
};
var black = new RgbColor1({r: 0, g: 0, b: 0});
var gray = new RgbColor2({r: 129, g: 128, b: 127});
// `add` works on `RgbColor2`
assertThrows(function() { black.add(1); });
gray.add(1);
assertEq(130, gray.r);
assertEq(129, gray.g);
assertEq(128, gray.b);
// `add` fails (for both!) when accessed via `fade1`
var fade1 = new Fade1({from: black, to: gray});
assertThrows(function() { fade1.from.add(1); });
assertThrows(function() { fade1.to.add(1); });
// `sub` works on both
black.sub(1);
assertEq(black.r, 255);
assertEq(black.g, 255);
assertEq(black.b, 255);
gray.sub(1);
assertEq(gray.r, 129);
assertEq(gray.g, 128);
assertEq(gray.b, 127);
// `add` works (for both!) when accessed via `fade2`
var fade2 = new Fade2(fade1);
fade2.from.add(1);
assertEq(fade2.from.r, 1);
assertEq(fade2.from.g, 1);
assertEq(fade2.from.b, 1);
fade2.to.add(1);
assertEq(fade2.to.r, 131);
assertEq(fade2.to.g, 130);
assertEq(fade2.to.b, 129);
reportCompare(true, true);
print("Tests complete");
}
runTests();
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