import {
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Cartesian3,
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Cesium3DTilePass,
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ClippingPlane,
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ClippingPlaneCollection,
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HeadingPitchRange,
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MetadataClass,
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GroupMetadata,
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Model,
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} from "../../Source/Cesium.js";
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import Cesium3DTilesTester from "../Cesium3DTilesTester.js";
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import createScene from "../createScene.js";
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describe(
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"Scene/Gltf3DTileContent",
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function () {
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var scene;
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var centerLongitude = -1.31968;
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var centerLatitude = 0.698874;
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var gltfContentUrl = "./Data/Cesium3DTiles/GltfContent/glTF/tileset.json";
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var glbContentUrl = "./Data/Cesium3DTiles/GltfContent/glb/tileset.json";
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function setCamera(longitude, latitude) {
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// One feature is located at the center, point the camera there
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var center = Cartesian3.fromRadians(longitude, latitude);
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scene.camera.lookAt(center, new HeadingPitchRange(0.0, -1.57, 100.0));
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}
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beforeAll(function () {
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scene = createScene();
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});
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afterAll(function () {
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scene.destroyForSpecs();
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});
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beforeEach(function () {
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setCamera(centerLongitude, centerLatitude);
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});
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afterEach(function () {
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scene.primitives.removeAll();
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});
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it("resolves readyPromise", function () {
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return Cesium3DTilesTester.resolvesReadyPromise(scene, gltfContentUrl);
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});
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it("renders glTF content", function () {
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return Cesium3DTilesTester.loadTileset(scene, gltfContentUrl).then(
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function (tileset) {
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Cesium3DTilesTester.expectRender(scene, tileset);
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}
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);
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});
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it("Does not use a batch table", function () {
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return Cesium3DTilesTester.loadTileset(scene, gltfContentUrl).then(
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function (tileset) {
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var content = tileset.root.content;
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expect(content.batchTableByteLength).toBe(0);
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expect(content.batchTable).not.toBeDefined();
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expect(content.hasProperty(0, "height")).toBe(false);
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expect(content.getFeature(0)).not.toBeDefined();
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}
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);
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});
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it("renders glb content", function () {
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return Cesium3DTilesTester.loadTileset(scene, glbContentUrl).then(
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function (tileset) {
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Cesium3DTilesTester.expectRender(scene, tileset);
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}
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);
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});
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it("picks", function () {
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return Cesium3DTilesTester.loadTileset(scene, gltfContentUrl).then(
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function (tileset) {
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var content = tileset.root.content;
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tileset.show = false;
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expect(scene).toPickPrimitive(undefined);
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tileset.show = true;
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expect(scene).toPickAndCall(function (result) {
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expect(result).toBeDefined();
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expect(result.primitive).toBe(tileset);
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expect(result.content).toBe(content);
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});
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}
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);
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});
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it("gets memory usage", function () {
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return Cesium3DTilesTester.loadTileset(scene, gltfContentUrl).then(
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function (tileset) {
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var content = tileset.root.content;
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// 10 buildings, 36 ushort indices and 24 vertices per building, 6 float components (position, normal) per vertex.
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// 10 * (24 * (6 * 4) + (36 * 2)) = 6480
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var geometryByteLength = 6480;
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expect(content.geometryByteLength).toEqual(geometryByteLength);
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expect(content.texturesByteLength).toEqual(0);
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}
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);
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});
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it("links model to tileset clipping planes based on bounding volume clipping", function () {
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return Cesium3DTilesTester.loadTileset(scene, gltfContentUrl).then(
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function (tileset) {
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var tile = tileset.root;
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var content = tile.content;
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var model = content._model;
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var passOptions = Cesium3DTilePass.getPassOptions(
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Cesium3DTilePass.RENDER
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);
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expect(model.clippingPlanes).toBeUndefined();
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var clippingPlaneCollection = new ClippingPlaneCollection({
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planes: [new ClippingPlane(Cartesian3.UNIT_X, 0.0)],
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});
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tileset.clippingPlanes = clippingPlaneCollection;
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clippingPlaneCollection.update(scene.frameState);
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tile.update(tileset, scene.frameState, passOptions);
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expect(model.clippingPlanes).toBeDefined();
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expect(model.clippingPlanes).toBe(tileset.clippingPlanes);
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tile._isClipped = false;
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tile.update(tileset, scene.frameState, passOptions);
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expect(model.clippingPlanes).toBeUndefined();
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}
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);
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});
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it("links model to tileset clipping planes if tileset clipping planes are reassigned", function () {
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return Cesium3DTilesTester.loadTileset(scene, gltfContentUrl).then(
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function (tileset) {
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var tile = tileset.root;
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var model = tile.content._model;
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var passOptions = Cesium3DTilePass.getPassOptions(
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Cesium3DTilePass.RENDER
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);
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expect(model.clippingPlanes).toBeUndefined();
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var clippingPlaneCollection = new ClippingPlaneCollection({
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planes: [new ClippingPlane(Cartesian3.UNIT_X, 0.0)],
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});
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tileset.clippingPlanes = clippingPlaneCollection;
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clippingPlaneCollection.update(scene.frameState);
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tile.update(tileset, scene.frameState, passOptions);
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expect(model.clippingPlanes).toBeDefined();
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expect(model.clippingPlanes).toBe(tileset.clippingPlanes);
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var newClippingPlaneCollection = new ClippingPlaneCollection({
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planes: [new ClippingPlane(Cartesian3.UNIT_X, 0.0)],
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});
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tileset.clippingPlanes = newClippingPlaneCollection;
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newClippingPlaneCollection.update(scene.frameState);
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expect(model.clippingPlanes).not.toBe(tileset.clippingPlanes);
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tile.update(tileset, scene.frameState, passOptions);
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expect(model.clippingPlanes).toBe(tileset.clippingPlanes);
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}
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);
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});
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it("rebuilds Model shaders when clipping planes change", function () {
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spyOn(Model, "_getClippingFunction").and.callThrough();
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return Cesium3DTilesTester.loadTileset(scene, gltfContentUrl).then(
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function (tileset) {
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var tile = tileset.root;
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var passOptions = Cesium3DTilePass.getPassOptions(
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Cesium3DTilePass.RENDER
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);
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var clippingPlaneCollection = new ClippingPlaneCollection({
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planes: [new ClippingPlane(Cartesian3.UNIT_X, 0.0)],
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});
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tileset.clippingPlanes = clippingPlaneCollection;
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clippingPlaneCollection.update(scene.frameState);
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tile.update(tileset, scene.frameState, passOptions);
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expect(Model._getClippingFunction.calls.count()).toEqual(1);
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}
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);
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});
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it("destroys", function () {
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return Cesium3DTilesTester.tileDestroys(scene, gltfContentUrl);
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});
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describe("3DTILES_metadata", function () {
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var metadataClass = new MetadataClass({
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id: "test",
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class: {
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properties: {
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name: {
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componentType: "STRING",
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},
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height: {
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componentType: "FLOAT32",
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},
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},
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},
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});
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var groupMetadata = new GroupMetadata({
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id: "testGroup",
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group: {
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properties: {
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name: "Test Group",
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height: 35.6,
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},
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},
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class: metadataClass,
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});
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it("assigns groupMetadata", function () {
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return Cesium3DTilesTester.loadTileset(scene, gltfContentUrl).then(
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function (tileset) {
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var content = tileset.root.content;
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content.groupMetadata = groupMetadata;
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expect(content.groupMetadata).toBe(groupMetadata);
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}
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);
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});
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});
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},
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"WebGL"
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);
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