[Pkg-javascript-commits] [leaflet] 128/301: test Map#setMaxBounds and Map#panInsideBounds

[Jonas Smedegaard]

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commit d7bf010f0b8e30e291ed8193fcc52d7f8fe118fd
Author: Jérémy Lal <kapouer at melix.org>
Date:   Sat Aug 10 17:11:43 2013 +0200

    test Map#setMaxBounds and Map#panInsideBounds
---
 spec/suites/map/MapSpec.js | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/spec/suites/map/MapSpec.js b/spec/suites/map/MapSpec.js
index 00da85d..747ce25 100644
--- a/spec/suites/map/MapSpec.js
+++ b/spec/suites/map/MapSpec.js
@@ -139,6 +139,46 @@ describe("Map", function () {
 		});
 	});
 
+	describe('#setMaxBounds', function() {
+		it("aligns pixel-wise map view center with maxBounds center if it cannot move view bounds inside maxBounds (#1908)", function() {
+			var container = map.getContainer();
+			// large view, cannot fit within maxBounds
+			container.style.width = container.style.height = "1000px";
+			document.body.appendChild(container);
+			// maxBounds
+			var bounds = L.latLngBounds([51.5, -0.05], [51.55, 0.05]);
+			map.setMaxBounds(bounds, {animate: false});
+			// set view outside
+			map.setView(L.latLng([53.0, 0.15]), 12, {animate: false});
+			// get center of bounds in pixels
+			var boundsCenter = map.project(bounds.getCenter());
+			boundsCenter = {x: Math.round(boundsCenter.x), y: Math.round(boundsCenter.y)};
+			expect(map.project(map.getCenter())).to.eql(boundsCenter);
+			document.body.removeChild(container);
+		});
+		it("moves map view within maxBounds by changing one coordinate", function() {
+			var container = map.getContainer();
+			// small view, can fit within maxBounds
+			container.style.width = container.style.height = "200px";
+			document.body.appendChild(container);
+			// maxBounds
+			var bounds = L.latLngBounds([51, -0.2], [52, 0.2]);
+			map.setMaxBounds(bounds, {animate: false});
+			// set view outside maxBounds on one direction only
+			// leaves untouched the other coordinate (that is not already centered)
+			var initCenter = [53.0, 0.1];
+			map.setView(L.latLng(initCenter), 16, {animate: false});
+			// one pixel coordinate hasn't changed, the other has
+			var pixelCenter = map.project(map.getCenter());
+			var pixelInit = map.project(initCenter);
+			expect(pixelCenter.x).to.eql(Math.round(pixelInit.x));
+			expect(pixelCenter.y).not.to.eql(Math.round(pixelInit.y));
+			// the view is inside the bounds
+			expect(bounds.contains(map.getBounds())).to.be(true);
+			document.body.removeChild(container);
+		});
+	});
+
 	describe("#getMinZoom and #getMaxZoom", function () {
 		describe('#getMinZoom', function () {
 			it('returns 0 if not set by Map options or TileLayer options', function () {

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