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105 lines
2.9 KiB
JavaScript
105 lines
2.9 KiB
JavaScript
import { Cartesian3 } from "../../Source/Cesium.js";
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import { HermiteSpline } from "../../Source/Cesium.js";
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import { Spline } from "../../Source/Cesium.js";
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describe("Core/Spline", function () {
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it("contructor throws", function () {
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expect(function () {
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return new Spline();
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}).toThrowDeveloperError();
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});
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it("wraps time that is out-of-bounds", function () {
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var spline = HermiteSpline.createNaturalCubic({
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points: [Cartesian3.ZERO, Cartesian3.UNIT_X, Cartesian3.UNIT_Y],
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times: [0.0, 1.0, 2.0],
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});
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expect(spline.wrapTime(-0.5)).toEqual(1.5);
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expect(spline.wrapTime(2.5)).toEqual(0.5);
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});
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it("clamps time that is out-of-bounds", function () {
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var spline = HermiteSpline.createNaturalCubic({
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points: [Cartesian3.ZERO, Cartesian3.UNIT_X, Cartesian3.UNIT_Y],
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times: [0.0, 1.0, 2.0],
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});
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expect(spline.clampTime(-0.5)).toEqual(0.0);
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expect(spline.clampTime(2.5)).toEqual(2.0);
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});
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it("wrapTime throws without a time", function () {
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var spline = HermiteSpline.createNaturalCubic({
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points: [Cartesian3.ZERO, Cartesian3.UNIT_X, Cartesian3.UNIT_Y],
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times: [0.0, 1.0, 2.0],
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});
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expect(function () {
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spline.wrapTime();
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}).toThrowDeveloperError();
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});
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it("clampTime throws without a time", function () {
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var spline = HermiteSpline.createNaturalCubic({
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points: [Cartesian3.ZERO, Cartesian3.UNIT_X, Cartesian3.UNIT_Y],
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times: [0.0, 1.0, 2.0],
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});
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expect(function () {
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spline.clampTime();
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}).toThrowDeveloperError();
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});
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it("findTimeInterval throws without a time", function () {
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var spline = HermiteSpline.createNaturalCubic({
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points: [Cartesian3.ZERO, Cartesian3.UNIT_X, Cartesian3.UNIT_Y],
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times: [0.0, 1.0, 2.0],
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});
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expect(function () {
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spline.findTimeInterval();
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}).toThrowDeveloperError();
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});
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it("findTimeInterval throws when time is out of range", function () {
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var spline = HermiteSpline.createNaturalCubic({
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points: [Cartesian3.ZERO, Cartesian3.UNIT_X, Cartesian3.UNIT_Y],
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times: [0.0, 1.0, 2.0],
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});
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expect(function () {
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spline.findTimeInterval(4.0);
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}).toThrowDeveloperError();
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});
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it("findTimeInterval", function () {
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var spline = HermiteSpline.createNaturalCubic({
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points: [
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Cartesian3.ZERO,
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Cartesian3.UNIT_X,
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Cartesian3.UNIT_Y,
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Cartesian3.UNIT_Z,
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],
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times: [0.0, 1.0, 2.0, 4.0],
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});
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var times = spline.times;
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expect(spline.findTimeInterval(times[0])).toEqual(0);
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// jump forward
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expect(spline.findTimeInterval(times[1])).toEqual(1);
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// jump backward
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expect(spline.findTimeInterval(times[0], 1)).toEqual(0);
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// jump far forward
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expect(spline.findTimeInterval(times[times.length - 2], 0)).toEqual(
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times.length - 2
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);
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// jump far back
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expect(spline.findTimeInterval(times[0], times.length - 1)).toEqual(0);
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});
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});
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