toolkit/javascript/d3/test/layout/treemap-test.js
author Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
Thu, 10 Apr 2014 14:20:23 +0200
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require("../env");
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require("../../d3");
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require("../../d3.layout");
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var vows = require("vows"),
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    assert = require("assert");
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var suite = vows.describe("d3.layout.treemap");
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suite.addBatch({
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  "treemap": {
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    topic: function() {
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      return d3.layout.treemap;
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    },
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    "outputs a squarified treemap": function(treemap) {
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      var t = treemap().size([1000, 1000]).sort(null);
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      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 1000, dy: 1000},
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        {x: 0, y: 833, dx: 1000, dy: 167},
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        {x: 600, y: 0, dx: 400, dy: 833},
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        {x: 0, y: 0, dx: 600, dy: 833},
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        {x: 0, y: 555, dx: 600, dy: 278},
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        {x: 0, y: 0, dx: 600, dy: 555}
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      ]);
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    },
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    "sorts by value by default": function(treemap) {
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      var t = treemap().size([1000, 1000]);
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      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 1000, dy: 1000},
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        {x: 0, y: 0, dx: 333, dy: 500},
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        {x: 333, y: 0, dx: 667, dy: 500},
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        {x: 0, y: 500, dx: 1000, dy: 500},
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        {x: 0, y: 500, dx: 333, dy: 500},
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        {x: 333, y: 500, dx: 667, dy: 500}
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      ]);
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    },
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    "ignores zero values": function(treemap) {
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      var t = treemap().size([1000, 1000]).sort(null);
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      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 0}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 1000, dy: 1000},
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        {x: 0, y: 833, dx: 1000, dy: 167},
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        {x: 1000, y: 0, dx: 0, dy: 833},
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        {x: 600, y: 0, dx: 400, dy: 833},
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        {x: 0, y: 0, dx: 600, dy: 833},
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        {x: 0, y: 555, dx: 600, dy: 278},
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        {x: 0, y: 0, dx: 600, dy: 555}
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      ]);
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    },
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    "ignores NaN values": function(treemap) {
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      var t = treemap().size([1000, 1000]).sort(null);
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      assert.deepEqual(t.nodes({children: [{value: 1}, {value: NaN}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 1000, dy: 1000},
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        {x: 0, y: 833, dx: 1000, dy: 167},
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        {x: 1000, y: 0, dx: 0, dy: 833},
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        {x: 600, y: 0, dx: 400, dy: 833},
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        {x: 0, y: 0, dx: 600, dy: 833},
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        {x: 0, y: 555, dx: 600, dy: 278},
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        {x: 0, y: 0, dx: 600, dy: 555}
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      ]);
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    },
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    "does not overflow empty size": function(treemap) {
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      var t = treemap().size([0, 0]).sort(null);
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      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 0, dy: 0},
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        {x: 0, y: 0, dx: 0, dy: 0},
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        {x: 0, y: 0, dx: 0, dy: 0},
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        {x: 0, y: 0, dx: 0, dy: 0},
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        {x: 0, y: 0, dx: 0, dy: 0},
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        {x: 0, y: 0, dx: 0, dy: 0}
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      ]);
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    },
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    "can specify padding as a number": function(treemap) {
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      var t = treemap().size([1000, 1000]).sort(null).padding(1);
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      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 1000, dy: 1000},
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        {x: 1, y: 833, dx: 998, dy: 166},
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        {x: 600, y: 1, dx: 399, dy: 832},
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        {x: 1, y: 1, dx: 599, dy: 832},
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        {x: 2, y: 555, dx: 597, dy: 277},
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        {x: 2, y: 2, dx: 597, dy: 553}
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      ]);
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    },
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    "can specify padding as an array": function(treemap) {
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      var t = treemap().size([1000, 1000]).sort(null).padding([1,2,3,4]);
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      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 1000, dy: 1000},
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        {x: 4, y: 831, dx: 994, dy: 166},
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        {x: 600, y: 1, dx: 398, dy: 830},
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        {x: 4, y: 1, dx: 596, dy: 830},
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        {x: 8, y: 553, dx: 590, dy: 275},
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        {x: 8, y: 2, dx: 590, dy: 551}
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      ]);
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    },
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    "can specify padding as null": function(treemap) {
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      var t = treemap().size([1000, 1000]).sort(null).padding(null);
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      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 1000, dy: 1000},
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        {x: 0, y: 833, dx: 1000, dy: 167},
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        {x: 600, y: 0, dx: 400, dy: 833},
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        {x: 0, y: 0, dx: 600, dy: 833},
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        {x: 0, y: 555, dx: 600, dy: 278},
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        {x: 0, y: 0, dx: 600, dy: 555}
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      ]);
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diff changeset
   104
    },
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parents:
diff changeset
   105
    "can specify padding as a function that returns a number": function(treemap) {
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   106
      var t = treemap().size([1000, 1000]).sort(null).padding(function(d) { return d.depth; });
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diff changeset
   107
      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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   108
        {x: 0, y: 0, dx: 1000, dy: 1000},
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diff changeset
   109
        {x: 0, y: 833, dx: 1000, dy: 167},
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   110
        {x: 600, y: 0, dx: 400, dy: 833},
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parents:
diff changeset
   111
        {x: 0, y: 0, dx: 600, dy: 833},
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parents:
diff changeset
   112
        {x: 1, y: 555, dx: 598, dy: 277},
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parents:
diff changeset
   113
        {x: 1, y: 1, dx: 598, dy: 554}
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parents:
diff changeset
   114
      ]);
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parents:
diff changeset
   115
    },
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parents:
diff changeset
   116
    "can specify padding as a function that returns an array": function(treemap) {
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   117
      var t = treemap().size([1000, 1000]).sort(null).padding(function(d) { return [d.depth,2,3,4]; });
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   118
      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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   119
        {x: 0, y: 0, dx: 1000, dy: 1000},
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   120
        {x: 4, y: 831, dx: 994, dy: 166},
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   121
        {x: 600, y: 0, dx: 398, dy: 831},
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diff changeset
   122
        {x: 4, y: 0, dx: 596, dy: 831},
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diff changeset
   123
        {x: 8, y: 552, dx: 590, dy: 276},
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   124
        {x: 8, y: 1, dx: 590, dy: 551}
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diff changeset
   125
      ]);
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parents:
diff changeset
   126
    },
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diff changeset
   127
    "can specify padding as a function that returns null": function(treemap) {
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diff changeset
   128
      var t = treemap().size([1000, 1000]).sort(null).padding(function(d) { return d.depth & 1 ? null : 1; });
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   129
      assert.deepEqual(t.nodes({children: [{value: 1}, {value: 2}, {children: [{value: 1}, {value: 2}]}]}).map(layout), [
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        {x: 0, y: 0, dx: 1000, dy: 1000},
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diff changeset
   131
        {x: 1, y: 833, dx: 998, dy: 166},
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parents:
diff changeset
   132
        {x: 600, y: 1, dx: 399, dy: 832},
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parents:
diff changeset
   133
        {x: 1, y: 1, dx: 599, dy: 832},
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parents:
diff changeset
   134
        {x: 1, y: 556, dx: 599, dy: 277},
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parents:
diff changeset
   135
        {x: 1, y: 1, dx: 599, dy: 555}
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   136
      ]);
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   137
    },
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   138
    "no negatively sized rectangles": function(treemap) {
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diff changeset
   139
      var t = treemap().size([615, 500]).sort(function(a, b) { return a.value - b.value; }).padding(29),
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parents:
diff changeset
   140
          nodes = t.nodes({"children": [
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   141
            {"value": 1},
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parents:
diff changeset
   142
            {"value": 9},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   143
            {"value": 3},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   144
            {"value": 15},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   145
            {"value": 44},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   146
            {"value": 28},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   147
            {"value": 32},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   148
            {"value": 41},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   149
            {"value": 50},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   150
            {"value": 60},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   151
            {"value": 64},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   152
            {"value": 75},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   153
            {"value": 76},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   154
            {"value": 84},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   155
            {"value": 88},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   156
            {"value": 100},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   157
            {"value": 140},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   158
            {"value": 142},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   159
            {"value": 363},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   160
            {"value": 657},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   161
            {"value": 670},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   162
            {"value": 822},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   163
            {"value": 1173},
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   164
            {"value": 1189}
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diff changeset
   165
          ]}).map(layout);
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   166
      assert.equal(nodes.filter(function(n) { return n.dx < 0 || n.dy < 0; }).length, 0);
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   167
    },
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   168
    "can handle an empty children array": function(treemap) {
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parents:
diff changeset
   169
      assert.deepEqual(treemap().nodes({children: []}).map(layout), [
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   170
        {x: 0, y: 0, dx: 1, dy: 1}
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parents:
diff changeset
   171
      ]);
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   172
      assert.deepEqual(treemap().nodes({children: [{children: []}, {value: 1}]}).map(layout), [
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parents:
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   173
        {x: 0, y: 0, dx: 1, dy: 1},
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parents:
diff changeset
   174
        {x: 0, y: 0, dx: 0, dy: 1},
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parents:
diff changeset
   175
        {x: 0, y: 0, dx: 1, dy: 1}
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   176
      ]);
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Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
parents:
diff changeset
   177
    }
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parents:
diff changeset
   178
  }
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parents:
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   179
});
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parents:
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   180
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   181
function layout(node) {
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   182
  return {
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   183
    x: node.x,
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   184
    y: node.y,
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   185
    dx: node.dx,
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parents:
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   186
    dy: node.dy
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   187
  };
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parents:
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   188
}
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diff changeset
   189
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suite.export(module);