import { Cartesian3 } 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 { Math as CesiumMath } from "../../Source/Cesium.js";
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import { CallbackProperty } from "../../Source/Cesium.js";
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import { ConstantPositionProperty } from "../../Source/Cesium.js";
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import { SampledPositionProperty } from "../../Source/Cesium.js";
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import { VelocityVectorProperty } from "../../Source/Cesium.js";
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describe("DataSources/VelocityVectorProperty", 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 VelocityVectorProperty();
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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.getValue(time)).toBeUndefined();
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expect(property.normalize).toBe(true);
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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 VelocityVectorProperty(position, false);
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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.getValue(time)).toEqual(Cartesian3.ZERO);
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expect(property.normalize).toBe(false);
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});
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it("raises definitionChanged event when position is set", function () {
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var property = new VelocityVectorProperty();
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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("raises definitionChanged event when normalize changes", function () {
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var property = new VelocityVectorProperty(new SampledPositionProperty());
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var listener = jasmine.createSpy("listener");
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property.definitionChanged.addEventListener(listener);
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property.normalize = true;
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expect(listener.calls.count()).toBe(0);
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property.normalize = false;
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expect(listener).toHaveBeenCalledWith(property);
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});
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it("subscribes and unsubscribes to position definitionChanged and propagates up", function () {
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var position = new SampledPositionProperty();
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var property = new VelocityVectorProperty(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("does not raise definitionChanged event when position is set to the same instance", function () {
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var position = new SampledPositionProperty();
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var property = new VelocityVectorProperty(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("produces correct normalized value when called 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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new Cartesian3(0.0, 0.0, 0.0),
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new Cartesian3(20.0, 0.0, 0.0),
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];
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var position = new SampledPositionProperty();
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position.addSamples(times, values);
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var property = new VelocityVectorProperty(position);
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var expectedVelocityDirection = new Cartesian3(1.0, 0.0, 0.0);
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expect(property.getValue(times[0])).toEqual(expectedVelocityDirection);
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expect(property.getValue(times[1])).toEqual(expectedVelocityDirection);
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});
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it("produces correct normalized value when called 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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new Cartesian3(0.0, 0.0, 0.0),
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new Cartesian3(20.0, 0.0, 0.0),
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];
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var position = new SampledPositionProperty();
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position.addSamples(times, values);
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var property = new VelocityVectorProperty(position);
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var expectedVelocityDirection = new Cartesian3(1.0, 0.0, 0.0);
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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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expect(result).toEqual(expectedVelocityDirection);
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});
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it("produces correct unnormalized value when called without result parameter", function () {
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var times = [new JulianDate(0, 0), new JulianDate(0, 1.0)];
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var values = [
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new Cartesian3(0.0, 0.0, 0.0),
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new Cartesian3(20.0, 0.0, 0.0),
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];
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var position = new SampledPositionProperty();
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position.addSamples(times, values);
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var property = new VelocityVectorProperty(position, false);
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var expectedVelocity = new Cartesian3(20.0, 0.0, 0.0);
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expect(property.getValue(times[0])).toEqualEpsilon(
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expectedVelocity,
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CesiumMath.EPSILON13
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);
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expect(property.getValue(times[1])).toEqualEpsilon(
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expectedVelocity,
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CesiumMath.EPSILON13
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);
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});
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it("produces correct unnormalized value when called with result parameter", function () {
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var times = [new JulianDate(0, 0), new JulianDate(0, 1.0)];
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var values = [
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new Cartesian3(0.0, 0.0, 0.0),
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new Cartesian3(20.0, 0.0, 0.0),
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];
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var position = new SampledPositionProperty();
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position.addSamples(times, values);
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var property = new VelocityVectorProperty(position, false);
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var expectedVelocity = new Cartesian3(20.0, 0.0, 0.0);
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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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expect(result).toEqualEpsilon(expectedVelocity, CesiumMath.EPSILON13);
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});
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it("produces normalized value of undefined with constant position", function () {
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var position = new ConstantPositionProperty(new Cartesian3(1.0, 2.0, 3.0));
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var property = new VelocityVectorProperty(position);
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expect(property.getValue(new JulianDate())).toBeUndefined();
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});
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it("produces unnormalized value of zero with constant position", function () {
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var position = new ConstantPositionProperty(new Cartesian3(1.0, 2.0, 3.0));
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var property = new VelocityVectorProperty(position, false);
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expect(property.getValue(new JulianDate())).toEqual(Cartesian3.ZERO);
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});
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it("produces normalized value of undefined at zero velocity", function () {
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var position = new CallbackProperty(function () {
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return new Cartesian3(0, 0, 0);
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}, false);
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var property = new VelocityVectorProperty(position);
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expect(property.getValue(new JulianDate())).toBeUndefined();
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});
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it("produces unnormalized value of zero at zero velocity", function () {
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var position = new CallbackProperty(function () {
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return new Cartesian3(0, 0, 0);
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}, false);
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var property = new VelocityVectorProperty(position, false);
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expect(property.getValue(new JulianDate())).toEqual(Cartesian3.ZERO);
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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), new Cartesian3(0.0, 0.0, 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 VelocityVectorProperty(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), new Cartesian3(0.0, 0.0, 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 VelocityVectorProperty(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 VelocityVectorProperty();
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var right = new VelocityVectorProperty();
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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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});
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it("getValue throws without time", function () {
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var property = new VelocityVectorProperty();
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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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