import { Cartesian4 } from "../../Source/Cesium.js";
import { Math as CesiumMath } from "../../Source/Cesium.js";
import { Matrix4 } from "../../Source/Cesium.js";
import { Axis } from "../../Source/Cesium.js";

describe("Scene/Axis", function () {
  function convertUpAxis(upAxis, transformation, expected) {
    var transformed = Matrix4.multiplyByVector(
      transformation,
      upAxis,
      new Cartesian4()
    );
    Cartesian4.normalize(transformed, transformed);
    expect(transformed).toEqualEpsilon(expected, CesiumMath.EPSILON1);
  }

  it("Convert y-up to z-up", function () {
    convertUpAxis(Cartesian4.UNIT_Y, Axis.Y_UP_TO_Z_UP, Cartesian4.UNIT_Z);
  });

  it("Convert y-up to x-up", function () {
    convertUpAxis(Cartesian4.UNIT_Y, Axis.Y_UP_TO_X_UP, Cartesian4.UNIT_X);
  });

  it("Convert z-up to x-up", function () {
    convertUpAxis(Cartesian4.UNIT_Z, Axis.Z_UP_TO_X_UP, Cartesian4.UNIT_X);
  });

  it("Convert z-up to y-up", function () {
    convertUpAxis(Cartesian4.UNIT_Z, Axis.Z_UP_TO_Y_UP, Cartesian4.UNIT_Y);
  });

  it("Convert x-up to y-up", function () {
    convertUpAxis(Cartesian4.UNIT_X, Axis.X_UP_TO_Y_UP, Cartesian4.UNIT_Y);
  });

  it("Convert x-up to z-up", function () {
    convertUpAxis(Cartesian4.UNIT_X, Axis.X_UP_TO_Z_UP, Cartesian4.UNIT_Z);
  });
});