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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
| import { LinearApproximation } from "../../Source/Cesium.js";
|
| describe("Core/LinearApproximation", function () {
| it("should produce correct results", function () {
| var xTable = [2.0, 4.0];
| var yTable = [2.0, 3.0, 4.0, 34.0];
|
| var results = LinearApproximation.interpolateOrderZero(
| 3.0,
| xTable,
| yTable,
| 2
| );
|
| expect(results.length).toEqual(2);
| expect(results[0]).toEqual(3.0);
| expect(results[1]).toEqual(18.5);
| });
|
| it("should produce correct results with a result parameter", function () {
| var xTable = [2.0, 4.0];
| var yTable = [2.0, 3.0, 4.0, 34.0];
|
| var result = new Array(2);
| var results = LinearApproximation.interpolateOrderZero(
| 3.0,
| xTable,
| yTable,
| 2,
| result
| );
|
| expect(result).toBe(results);
| expect(results.length).toEqual(2);
| expect(results[0]).toEqual(3.0);
| expect(results[1]).toEqual(18.5);
| });
|
| it("should produce correct results 2", function () {
| var xTable2 = [40, 120];
| var yTable2 = [20, 40, 60, 80, 90, 100];
|
| var results = LinearApproximation.interpolateOrderZero(
| 80.0,
| xTable2,
| yTable2,
| 3
| );
|
| expect(results.length).toEqual(3);
| expect(results[0]).toEqual(50.0);
| expect(results[1]).toEqual(65.0);
| expect(results[2]).toEqual(80.0);
| });
|
| it("should produce correct results 3", function () {
| var xTable3 = [20, 30];
| var yTable3 = [10, 20, 30, 20, 30, 40, 20, 40, 60, 80, 90, 100];
|
| var results = LinearApproximation.interpolateOrderZero(
| 40,
| xTable3,
| yTable3,
| 1
| );
|
| expect(results.length).toEqual(1);
| expect(results[0]).toEqual(30.0);
| });
|
| it("should throw if length is greater than 2", function () {
| var xTable = [44.0, 99.0, 230.0];
| var yTable = [2.3, 4.5, 6.6, 3.2, 4.4, 12.23];
|
| expect(function () {
| LinearApproximation.interpolateOrderZero(2.3, xTable, yTable, 3);
| }).toThrowDeveloperError();
| });
|
| it("should throw when yStride equals zero indicating that there are no dependent variables for interpolation", function () {
| var xTable = [4.0, 8.0];
| var yTable = [4.0, 8.0];
|
| expect(function () {
| LinearApproximation.interpolateOrderZero(6.0, xTable, yTable, 0);
| }).toThrowDeveloperError();
| });
|
| it("getRequiredDataPoints returns 2", function () {
| expect(LinearApproximation.getRequiredDataPoints(1)).toEqual(2);
| });
| });
|
|
