import { getStringFromTypedArray } from "../../Source/Cesium.js";
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describe("Core/getStringFromTypedArray", function () {
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function verifyString() {
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var arr = new Uint8Array([67, 101, 115, 105, 117, 109]);
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var string = getStringFromTypedArray(arr);
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expect(string).toEqual("Cesium");
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arr = new Uint8Array();
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string = getStringFromTypedArray(arr);
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expect(string).toEqual("");
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}
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it("converts a typed array to string", function () {
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verifyString();
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});
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it("converts a typed array to string when forced to use fromCharCode", function () {
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spyOn(getStringFromTypedArray, "decode").and.callFake(
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getStringFromTypedArray.decodeWithFromCharCode
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);
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verifyString();
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});
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it("converts a sub-region of a typed array to a string", function () {
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var arr = new Uint8Array([67, 101, 115, 105, 117, 109]);
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var string = getStringFromTypedArray(arr, 1, 3);
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expect(string).toEqual("esi");
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});
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it("throws if sub-region exceeds array bounds", function () {
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var arr = new Uint8Array([67, 101, 115, 105, 117, 109]);
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expect(function () {
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getStringFromTypedArray(arr, 3, 4);
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}).toThrowDeveloperError();
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});
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it("throws if byteOffset is negative", function () {
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var arr = new Uint8Array([67, 101, 115, 105, 117, 109]);
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expect(function () {
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getStringFromTypedArray(arr, -1, 0);
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}).toThrowDeveloperError();
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});
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it("throws if byteLength is negative", function () {
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var arr = new Uint8Array([67, 101, 115, 105, 117, 109]);
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expect(function () {
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getStringFromTypedArray(arr, 0, -1);
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}).toThrowDeveloperError();
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});
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it("throws without array", function () {
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expect(function () {
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getStringFromTypedArray();
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}).toThrowDeveloperError();
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});
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it("Unicode 2-byte characters work", function () {
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var arr = new Uint8Array([90, 195, 188, 114, 105, 99, 104]);
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expect(getStringFromTypedArray(arr)).toEqual("Zürich");
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});
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it("Unicode 2-byte characters work with decodeWithFromCharCode forced", function () {
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spyOn(getStringFromTypedArray, "decode").and.callFake(
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getStringFromTypedArray.decodeWithFromCharCode
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);
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var arr = new Uint8Array([90, 195, 188, 114, 105, 99, 104]);
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expect(getStringFromTypedArray(arr)).toEqual("Zürich");
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});
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it("Unicode 3-byte characters work", function () {
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var arr = new Uint8Array([224, 162, 160]);
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expect(getStringFromTypedArray(arr)).toEqual("ࢠ");
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});
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it("Unicode 3-byte characters work with decodeWithFromCharCode forced", function () {
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spyOn(getStringFromTypedArray, "decode").and.callFake(
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getStringFromTypedArray.decodeWithFromCharCode
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);
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var arr = new Uint8Array([224, 162, 160]);
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expect(getStringFromTypedArray(arr)).toEqual("ࢠ");
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});
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it("Unicode 4-byte characters work", function () {
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var arr = new Uint8Array([240, 144, 138, 129]);
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expect(getStringFromTypedArray(arr)).toEqual("𐊁");
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});
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it("Unicode 4-byte characters work with decodeWithFromCharCode forced", function () {
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spyOn(getStringFromTypedArray, "decode").and.callFake(
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getStringFromTypedArray.decodeWithFromCharCode
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);
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var arr = new Uint8Array([240, 144, 138, 129]);
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expect(getStringFromTypedArray(arr)).toEqual("𐊁");
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});
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});
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