require("../env");

require("../../d3");

require("../../d3.layout");

var vows = require("vows"),

assert = require("assert");

var suite = vows.describe("d3.layout.partition");

suite.addBatch({

"partition": {

topic: function() {

return d3.layout.partition;

},

"ignores zero values": function(partition) {

var p = partition().size([3, 3]);

assert.deepEqual(p({children: [{value: 1}, {value: 0}, {value: 2}, {children: [{value: 0}, {value: 0}]}]}).map(metadata), [

{x: 0, y: 0, dx: 3, dy: 1},

{x: 2, y: 1, dx: 1, dy: 1},

{x: 3, y: 1, dx: 0, dy: 1},

{x: 0, y: 1, dx: 2, dy: 1},

{x: 3, y: 1, dx: 0, dy: 1},

{x: 3, y: 2, dx: 0, dy: 1},

{x: 3, y: 2, dx: 0, dy: 1}

]);

}

}

});

function metadata(node) {

var metadata = {};

if ("x" in node) metadata.x = node.x;

if ("y" in node) metadata.y = node.y;

if ("dx" in node) metadata.dx = node.dx;

if ("dy" in node) metadata.dy = node.dy;

return metadata;

}

suite.export(module);