The Tor Browser: toolkit/modules/tests/browser/browser_Geometry.js@6474c204b198 (annotated)

toolkit/modules/tests/browser/browser_Geometry.js@6474c204b198 (annotated)

toolkit/modules/tests/browser/browser_Geometry.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 let tempScope = {};
 Components.utils.import("resource://gre/modules/Geometry.jsm", tempScope);
 let Point = tempScope.Point;
 let Rect = tempScope.Rect;
 function test() {
   ok(Rect, "Rect class exists");
   for (var fname in tests) {
     tests[fname]();
   }
 }
 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");
   },
 };