text: import { Cartesian3 } from "../../Source/Cesium.js";
  import { Color } from "../../Source/Cesium.js";
  import { Intersect } from "../../Source/Cesium.js";
  import { Math as CesiumMath } from "../../Source/Cesium.js";
  import { Matrix3 } from "../../Source/Cesium.js";
  import { Plane } from "../../Source/Cesium.js";
  import { TileOrientedBoundingBox } from "../../Source/Cesium.js";
  import createFrameState from "../createFrameState.js";
  
  describe("Scene/TileOrientedBoundingBox", function () {
    const center = new Cartesian3(0.0, 0.0, 0.0);
    const halfAxes = Matrix3.fromScale(
      new Cartesian3(0.5, 0.5, 0.5),
      new Matrix3()
    );
    const tileBoundingVolume = new TileOrientedBoundingBox(center, halfAxes);
  
    const frameState = createFrameState();
  
    it("can be instantiated with center and half-axes", function () {
      expect(tileBoundingVolume.boundingVolume.center).toEqual(center);
      expect(tileBoundingVolume.boundingVolume.halfAxes).toEqual(halfAxes);
      expect(tileBoundingVolume.boundingSphere.center).toEqual(center);
      expect(tileBoundingVolume.boundingSphere.radius).toBeGreaterThan(0.5);
      expect(tileBoundingVolume.boundingSphere.radius).toBeLessThan(1.0);
    });
  
    it("createDebugVolume throws when color is undefined", function () {
      expect(function () {
        return tileBoundingVolume.createDebugVolume();
      }).toThrowDeveloperError();
    });
  
    it("can create debug volume", function () {
      expect(tileBoundingVolume.createDebugVolume(Color.BLUE)).toBeDefined();
    });
  
    it("distanceToCamera throws when frameState is undefined", function () {
      expect(function () {
        return tileBoundingVolume.distanceToCamera();
      }).toThrowDeveloperError();
    });
  
    it("has distance 0 to camera if camera is inside", function () {
      frameState.camera.position = new Cartesian3(0.0, 0.0, 0.0);
      expect(tileBoundingVolume.distanceToCamera(frameState)).toEqual(0.0);
  
      frameState.camera.position = new Cartesian3(-0.5, -0.5, -0.5);
      expect(tileBoundingVolume.distanceToCamera(frameState)).toEqual(0.0);
      frameState.camera.position = new Cartesian3(0.5, 0.5, 0.5);
      expect(tileBoundingVolume.distanceToCamera(frameState)).toEqual(0.0);
    });
  
    it("has correct distance to camera if camera is slightly outside box", function () {
      const eps6 = CesiumMath.EPSILON6;
      frameState.camera.position = new Cartesian3(0.5 + eps6, 0.5, 0.5);
      expect(tileBoundingVolume.distanceToCamera(frameState)).not.toEqual(0.0);
      frameState.camera.position = new Cartesian3(-0.5, -0.5, -0.5 - eps6);
      expect(tileBoundingVolume.distanceToCamera(frameState)).not.toEqual(0.0);
      frameState.camera.position = new Cartesian3(100.5, 100.5, 100.5);
      expect(tileBoundingVolume.distanceToCamera(frameState)).toEqual(
        Math.sqrt(30000.0)
      );
    });
  
    it("has correct distance to camera for large distances", function () {
      frameState.camera.position = new Cartesian3(
        2170456.713380141,
        -36351235.19646463,
        28403328.27058654
      );
      expect(tileBoundingVolume.distanceToCamera(frameState)).toEqualEpsilon(
        46183029.05370139,
        CesiumMath.EPSILON6
      );
    });
  
    it("intersectPlane throws when plane is undefined", function () {
      expect(function () {
        return tileBoundingVolume.intersectPlane();
      }).toThrowDeveloperError();
    });
  
    it("intersects plane", function () {
      let plane = new Plane(Cartesian3.UNIT_X, 0.0);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(
        Intersect.INTERSECTING
      );
      plane = new Plane(Cartesian3.UNIT_X, 0.5 - CesiumMath.EPSILON6);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(
        Intersect.INTERSECTING
      );
      plane = new Plane(Cartesian3.UNIT_X, -0.5 + CesiumMath.EPSILON6);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(
        Intersect.INTERSECTING
      );
    });
  
    it("does not intersect plane", function () {
      const eps6 = CesiumMath.EPSILON6;
      let plane = new Plane(Cartesian3.UNIT_X, 0.5 + eps6);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.INSIDE);
      plane = new Plane(Cartesian3.UNIT_Y, 0.5 + eps6);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.INSIDE);
      plane = new Plane(Cartesian3.UNIT_Z, 0.5 + eps6);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.INSIDE);
  
      plane = new Plane(Cartesian3.UNIT_X, -0.5 - eps6);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.OUTSIDE);
      plane = new Plane(Cartesian3.UNIT_Y, -0.5 - eps6);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.OUTSIDE);
      plane = new Plane(Cartesian3.UNIT_Z, -0.5 - eps6);
      expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.OUTSIDE);
    });
  });
  