Codebase list node-d3-shape / 9a40bcf test / curve / cardinalOpen-test.js
9a40bcf

Tree @9a40bcf (Download .tar.gz)

cardinalOpen-test.js @9a40bcf — raw · history · blame 

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
var tape = require("tape"),
    shape = require("../../");

require("../pathEqual");

tape("line.curve(curveCardinalOpen)(data) generates the expected path", function(test) {
  var l = shape.line().curve(shape.curveCardinalOpen);
  test.equal(l([]), null);
  test.equal(l([[0, 1]]), null);
  test.equal(l([[0, 1], [1, 3]]), null);
  test.pathEqual(l([[0, 1], [1, 3], [2, 1]]), "M1,3Z");
  test.pathEqual(l([[0, 1], [1, 3], [2, 1], [3, 3]]), "M1,3C1.333333,3,1.666667,1,2,1");
  test.end();
});

tape("line.curve(curveCardinalOpen) uses a default tension of zero", function(test) {
  var l = shape.line().curve(shape.curveCardinalOpen.tension(0));
  test.equal(shape.line().curve(shape.curveCardinalOpen)([[0, 1], [1, 3], [2, 1], [3, 3]]), l([[0, 1], [1, 3], [2, 1], [3, 3]]));
  test.end();
});

tape("line.curve(curveCardinalOpen.tension(tension)) uses the specified tension", function(test) {
  test.pathEqual(shape.line().curve(shape.curveCardinalOpen.tension(0.5))([[0, 1], [1, 3], [2, 1], [3, 3]]), "M1,3C1.166667,3,1.833333,1,2,1");
  test.end();
});

tape("line.curve(curveCardinalOpen.tension(tension)) coerces the specified tension to a number", function(test) {
  var l = shape.line().curve(shape.curveCardinalOpen.tension("0.5"));
  test.equal(shape.line().curve(shape.curveCardinalOpen.tension(0.5))([[0, 1], [1, 3], [2, 1], [3, 3]]), l([[0, 1], [1, 3], [2, 1], [3, 3]]));
  test.end();
});

tape("area.curve(curveCardinalOpen)(data) generates the expected path", function(test) {
  var a = shape.area().curve(shape.curveCardinalOpen);
  test.equal(a([]), null);
  test.equal(a([[0, 1]]), null);
  test.equal(a([[0, 1], [1, 3]]), null);
  test.pathEqual(a([[0, 1], [1, 3], [2, 1]]), "M1,3L1,0Z");
  test.pathEqual(a([[0, 1], [1, 3], [2, 1], [3, 3]]), "M1,3C1.333333,3,1.666667,1,2,1L2,0C1.666667,0,1.333333,0,1,0Z");
  test.end();
});

tape("area.curve(curveCardinalOpen) uses a default tension of zero", function(test) {
  var a = shape.area().curve(shape.curveCardinalOpen.tension(0));
  test.equal(shape.area().curve(shape.curveCardinalOpen)([[0, 1], [1, 3], [2, 1], [3, 3]]), a([[0, 1], [1, 3], [2, 1], [3, 3]]));
  test.end();
});

tape("area.curve(curveCardinalOpen.tension(tension)) uses the specified tension", function(test) {
  test.pathEqual(shape.area().curve(shape.curveCardinalOpen.tension(0.5))([[0, 1], [1, 3], [2, 1], [3, 3]]), "M1,3C1.166667,3,1.833333,1,2,1L2,0C1.833333,0,1.166667,0,1,0Z");
  test.end();
});

tape("area.curve(curveCardinalOpen.tension(tension)) coerces the specified tension to a number", function(test) {
  var a = shape.area().curve(shape.curveCardinalOpen.tension("0.5"));
  test.equal(shape.area().curve(shape.curveCardinalOpen.tension(0.5))([[0, 1], [1, 3], [2, 1], [3, 3]]), a([[0, 1], [1, 3], [2, 1], [3, 3]]));
  test.end();
});