cesium/packages/engine/Specs/DataSources/PropertyArraySpec.js

97 lines
3.1 KiB
JavaScript

import {
JulianDate,
ConstantProperty,
PropertyArray,
SampledProperty,
} from "../../index.js";
describe("DataSources/PropertyArray", function () {
const time = JulianDate.now();
it("default constructor sets expected values", function () {
const property = new PropertyArray();
expect(property.isConstant).toBe(true);
expect(property.getValue(time)).toBeUndefined();
});
it("constructor sets expected values", function () {
const expected = [1, 2];
const value = [new ConstantProperty(1), new ConstantProperty(2)];
const property = new PropertyArray(value);
expect(property.getValue(time)).toEqual(expected);
});
it("setValue raises definitionChanged event", function () {
const property = new PropertyArray();
const listener = jasmine.createSpy("listener");
property.definitionChanged.addEventListener(listener);
property.setValue([]);
expect(listener).toHaveBeenCalledWith(property);
});
it("changing array member raises definitionChanged event", function () {
const property = new PropertyArray();
const item = new ConstantProperty(1);
property.setValue([item]);
const listener = jasmine.createSpy("listener");
property.definitionChanged.addEventListener(listener);
item.setValue(2);
expect(listener).toHaveBeenCalledWith(property);
});
it("works with result parameter", function () {
const expected = [1, 2];
const expectedResult = [];
const value = [new ConstantProperty(1), new ConstantProperty(2)];
const property = new PropertyArray(value);
const result = property.getValue(time, expectedResult);
expect(result).toEqual(expected);
expect(result).toBe(expectedResult);
});
it("works with undefined value", function () {
const property = new PropertyArray();
property.setValue(undefined);
expect(property.getValue(time)).toBeUndefined();
});
it("ignores undefined property values", function () {
const property = new PropertyArray();
property.setValue([new ConstantProperty()]);
expect(property.getValue(time)).toEqual([]);
});
it("works with empty array", function () {
const property = new PropertyArray();
property.setValue([]);
expect(property.getValue(time)).toEqual([]);
});
it("equals works", function () {
let left = new PropertyArray([new ConstantProperty(1)]);
let right = new PropertyArray([new ConstantProperty(1)]);
expect(left.equals(right)).toEqual(true);
right = new PropertyArray([new ConstantProperty(2)]);
expect(left.equals(right)).toEqual(false);
left = new PropertyArray();
right = new PropertyArray();
expect(left.equals(right)).toEqual(true);
});
it("isConstant is true only if all members are constant", function () {
const property = new PropertyArray();
property.setValue([new ConstantProperty(2)]);
expect(property.isConstant).toBe(true);
const sampledProperty = new SampledProperty(Number);
sampledProperty.addSample(time, 1);
property.setValue([new ConstantProperty(2), sampledProperty]);
expect(property.isConstant).toBe(false);
});
});