import { Cartesian3 } from "../../Source/Cesium.js";
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import { Ellipsoid } from "../../Source/Cesium.js";
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import { Event } from "../../Source/Cesium.js";
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import { ExtrapolationType } from "../../Source/Cesium.js";
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import { JulianDate } from "../../Source/Cesium.js";
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import { Quaternion } from "../../Source/Cesium.js";
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import { Transforms } from "../../Source/Cesium.js";
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import { CallbackProperty } from "../../Source/Cesium.js";
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import { SampledPositionProperty } from "../../Source/Cesium.js";
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import { VelocityOrientationProperty } from "../../Source/Cesium.js";
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describe("DataSources/VelocityOrientationProperty", function () {
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var time = JulianDate.now();
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it("can default construct", function () {
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var property = new VelocityOrientationProperty();
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expect(property.isConstant).toBe(true);
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expect(property.definitionChanged).toBeInstanceOf(Event);
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expect(property.position).toBeUndefined();
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expect(property.ellipsoid).toBe(Ellipsoid.WGS84);
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expect(property.getValue(time)).toBeUndefined();
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});
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it("can construct with arguments", function () {
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var position = new SampledPositionProperty();
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var property = new VelocityOrientationProperty(
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position,
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Ellipsoid.UNIT_SPHERE
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);
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expect(property.isConstant).toBe(true);
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expect(property.definitionChanged).toBeInstanceOf(Event);
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expect(property.position).toBe(position);
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expect(property.ellipsoid).toBe(Ellipsoid.UNIT_SPHERE);
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expect(property.getValue(time)).toBeUndefined();
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});
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it("setting position raises definitionChanged event", function () {
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var property = new VelocityOrientationProperty();
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var listener = jasmine.createSpy("listener");
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property.definitionChanged.addEventListener(listener);
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var position = new SampledPositionProperty();
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property.position = position;
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expect(listener).toHaveBeenCalledWith(property);
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});
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it("subscribes/unsubscribes to position definitionChanged and propagates up", function () {
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var position = new SampledPositionProperty();
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var property = new VelocityOrientationProperty(position);
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var listener = jasmine.createSpy("listener");
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property.definitionChanged.addEventListener(listener);
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//Position changing should raise out property change event
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position.definitionChanged.raiseEvent(position);
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expect(listener).toHaveBeenCalledWith(property);
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//Make sure it unsubscribes when value is changed
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property.position = undefined;
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listener.calls.reset();
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position.definitionChanged.raiseEvent(position);
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expect(listener.calls.count()).toBe(0);
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});
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it("setting position does not raise definitionChanged event for same data", function () {
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var position = new SampledPositionProperty();
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var property = new VelocityOrientationProperty(position);
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var listener = jasmine.createSpy("listener");
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property.definitionChanged.addEventListener(listener);
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property.position = position;
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expect(listener.calls.count()).toBe(0);
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});
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it("setting ellipsoid raises definitionChanged event", function () {
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var property = new VelocityOrientationProperty();
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var listener = jasmine.createSpy("listener");
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property.definitionChanged.addEventListener(listener);
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property.ellipsoid = Ellipsoid.UNIT_SPHERE;
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expect(listener).toHaveBeenCalledWith(property);
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});
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it("setting ellipsoid does not raise definitionChanged event for same data", function () {
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var property = new VelocityOrientationProperty();
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var listener = jasmine.createSpy("listener");
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property.definitionChanged.addEventListener(listener);
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property.ellipsoid = Ellipsoid.WGS84;
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expect(listener.calls.count()).toBe(0);
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});
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it("works without result parameter", function () {
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var times = [new JulianDate(0, 0), new JulianDate(0, 1.0 / 60.0)];
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var values = [
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Cartesian3.fromDegrees(0, 0, 0),
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Cartesian3.fromDegrees(1, 0, 0),
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];
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var velocity = Cartesian3.subtract(values[1], values[0], new Cartesian3());
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Cartesian3.normalize(velocity, velocity);
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var position = new SampledPositionProperty();
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position.addSamples(times, values);
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var property = new VelocityOrientationProperty(position);
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var matrix = Transforms.rotationMatrixFromPositionVelocity(
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position.getValue(times[0]),
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velocity
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);
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expect(property.getValue(times[0])).toEqual(
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Quaternion.fromRotationMatrix(matrix)
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);
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matrix = Transforms.rotationMatrixFromPositionVelocity(
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position.getValue(times[0]),
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velocity
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);
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expect(property.getValue(times[1])).toEqual(
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Quaternion.fromRotationMatrix(matrix)
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);
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});
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it("works with result parameter", function () {
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var times = [new JulianDate(0, 0), new JulianDate(0, 1.0 / 60.0)];
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var values = [
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Cartesian3.fromDegrees(0, 0, 0),
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Cartesian3.fromDegrees(1, 0, 0),
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];
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var velocity = Cartesian3.subtract(values[1], values[0], new Cartesian3());
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Cartesian3.normalize(velocity, velocity);
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var position = new SampledPositionProperty();
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position.addSamples(times, values);
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var property = new VelocityOrientationProperty(position);
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var expected = new Cartesian3();
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var result = property.getValue(times[0], expected);
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expect(result).toBe(expected);
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var matrix = Transforms.rotationMatrixFromPositionVelocity(
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position.getValue(times[0]),
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velocity
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);
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expect(expected).toEqual(Quaternion.fromRotationMatrix(matrix));
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});
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it("is undefined at zero velocity", function () {
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var position = new CallbackProperty(function () {
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return Cartesian3.fromDegrees(0, 0, 0);
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}, false);
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var property = new VelocityOrientationProperty(position);
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expect(property.getValue(new JulianDate())).toBeUndefined();
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});
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it("returns undefined when position value is undefined", function () {
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var position = new SampledPositionProperty();
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position.addSample(new JulianDate(1, 0), Cartesian3.fromDegrees(0, 0, 0));
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position.forwardExtrapolationType = ExtrapolationType.NONE;
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position.backwardExtrapolationType = ExtrapolationType.NONE;
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var property = new VelocityOrientationProperty(position);
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var result = property.getValue(new JulianDate());
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expect(result).toBeUndefined();
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});
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it("returns undefined when position has exactly one value", function () {
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var position = new SampledPositionProperty();
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position.addSample(new JulianDate(1, 0), Cartesian3.fromDegrees(0, 0, 0));
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position.forwardExtrapolationType = ExtrapolationType.NONE;
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position.backwardExtrapolationType = ExtrapolationType.NONE;
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var property = new VelocityOrientationProperty(position);
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var result = property.getValue(new JulianDate(1, 0));
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expect(result).toBeUndefined();
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});
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it("equals works", function () {
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var position = new SampledPositionProperty();
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var left = new VelocityOrientationProperty();
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var right = new VelocityOrientationProperty();
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expect(left.equals(right)).toBe(true);
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left.position = position;
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expect(left.equals(right)).toBe(false);
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right.position = position;
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expect(left.equals(right)).toBe(true);
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left.ellipsoid = Ellipsoid.UNIT_SPHERE;
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expect(left.equals(right)).toBe(false);
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right.ellipsoid = Ellipsoid.UNIT_SPHERE;
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expect(left.equals(right)).toBe(true);
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});
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it("getValue throws without time", function () {
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var property = new VelocityOrientationProperty();
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expect(function () {
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property.getValue();
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}).toThrowDeveloperError();
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});
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});
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