зеркало из https://github.com/mozilla/pjs.git
108 строки
3.5 KiB
JavaScript
108 строки
3.5 KiB
JavaScript
function test() {
|
|
waitForExplicitFinish();
|
|
|
|
ok(Rect, "Rect class exists");
|
|
|
|
for (let test in tests) {
|
|
tests[test]();
|
|
}
|
|
|
|
finish();
|
|
}
|
|
|
|
let tests = {
|
|
testGetDimensions: function() {
|
|
let r = new Rect(5, 10, 100, 50);
|
|
ok(r.left == 5, "rect has correct left value");
|
|
ok(r.top == 10, "rect has correct top value");
|
|
ok(r.right == 105, "rect has correct right value");
|
|
ok(r.bottom == 60, "rect has correct bottom value");
|
|
ok(r.width == 100, "rect has correct width value");
|
|
ok(r.height == 50, "rect has correct height value");
|
|
ok(r.x == 5, "rect has correct x value");
|
|
ok(r.y == 10, "rect has correct y value");
|
|
},
|
|
|
|
testIsEmpty: function() {
|
|
let r = new Rect(0, 0, 0, 10);
|
|
ok(r.isEmpty(), "rect with nonpositive width is empty");
|
|
let r = new Rect(0, 0, 10, 0);
|
|
ok(r.isEmpty(), "rect with nonpositive height is empty");
|
|
let r = new Rect(0, 0, 10, 10);
|
|
ok(!r.isEmpty(), "rect with positive dimensions is not empty");
|
|
},
|
|
|
|
testRestrictTo: function() {
|
|
let r1 = new Rect(10, 10, 100, 100);
|
|
let r2 = new Rect(50, 50, 100, 100);
|
|
r1.restrictTo(r2);
|
|
ok(r1.equals(new Rect(50, 50, 60, 60)), "intersection is non-empty");
|
|
|
|
let r1 = new Rect(10, 10, 100, 100);
|
|
let r2 = new Rect(120, 120, 100, 100);
|
|
r1.restrictTo(r2);
|
|
ok(r1.isEmpty(), "intersection is empty");
|
|
|
|
let r1 = new Rect(10, 10, 100, 100);
|
|
let r2 = new Rect(0, 0, 0, 0);
|
|
r1.restrictTo(r2);
|
|
ok(r1.isEmpty(), "intersection of rect and empty is empty");
|
|
|
|
let r1 = new Rect(0, 0, 0, 0);
|
|
let r2 = new Rect(0, 0, 0, 0);
|
|
r1.restrictTo(r2);
|
|
ok(r1.isEmpty(), "intersection of empty and empty is empty");
|
|
},
|
|
|
|
testExpandToContain: function() {
|
|
let r1 = new Rect(10, 10, 100, 100);
|
|
let r2 = new Rect(50, 50, 100, 100);
|
|
r1.expandToContain(r2);
|
|
ok(r1.equals(new Rect(10, 10, 140, 140)), "correct expandToContain on intersecting rectangles");
|
|
|
|
let r1 = new Rect(10, 10, 100, 100);
|
|
let r2 = new Rect(120, 120, 100, 100);
|
|
r1.expandToContain(r2);
|
|
ok(r1.equals(new Rect(10, 10, 210, 210)), "correct expandToContain on non-intersecting rectangles");
|
|
|
|
let r1 = new Rect(10, 10, 100, 100);
|
|
let r2 = new Rect(0, 0, 0, 0);
|
|
r1.expandToContain(r2);
|
|
ok(r1.equals(new Rect(10, 10, 100, 100)), "expandToContain of rect and empty is rect");
|
|
|
|
let r1 = new Rect(10, 10, 0, 0);
|
|
let r2 = new Rect(0, 0, 0, 0);
|
|
r1.expandToContain(r2);
|
|
ok(r1.isEmpty(), "expandToContain of empty and empty is empty");
|
|
},
|
|
|
|
testSubtract: function testSubtract() {
|
|
function equals(rects1, rects2) {
|
|
return rects1.length == rects2.length && rects1.every(function(r, i) {
|
|
return r.equals(rects2[i]);
|
|
});
|
|
}
|
|
|
|
let r1 = new Rect(0, 0, 100, 100);
|
|
let r2 = new Rect(500, 500, 100, 100);
|
|
ok(equals(r1.subtract(r2), [r1]), "subtract area outside of region yields same region");
|
|
|
|
let r1 = new Rect(0, 0, 100, 100);
|
|
let r2 = new Rect(-10, -10, 50, 120);
|
|
ok(equals(r1.subtract(r2), [new Rect(40, 0, 60, 100)]), "subtracting vertical bar from edge leaves one rect");
|
|
|
|
let r1 = new Rect(0, 0, 100, 100);
|
|
let r2 = new Rect(-10, -10, 120, 50);
|
|
ok(equals(r1.subtract(r2), [new Rect(0, 40, 100, 60)]), "subtracting horizontal bar from edge leaves one rect");
|
|
|
|
let r1 = new Rect(0, 0, 100, 100);
|
|
let r2 = new Rect(40, 40, 20, 20);
|
|
ok(equals(r1.subtract(r2), [
|
|
new Rect(0, 0, 40, 100),
|
|
new Rect(40, 0, 20, 40),
|
|
new Rect(40, 60, 20, 40),
|
|
new Rect(60, 0, 40, 100)]),
|
|
"subtracting rect in middle leaves union of rects");
|
|
},
|
|
};
|