142 lines
4.7 KiB
JavaScript
142 lines
4.7 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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/*
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* This is a TypeScript port of the original Java version, which was written by
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* Gil Tene as described in
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* https://github.com/HdrHistogram/HdrHistogram
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* and released to the public domain, as explained at
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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const PackedArrayContext_1 = require("./PackedArrayContext");
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const PackedArray_1 = require("./PackedArray");
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const { pow } = Math;
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describe("Packed array context", () => {
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it("Should initialize array", () => {
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const ctx = new PackedArrayContext_1.PackedArrayContext(1024, 128);
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expect(ctx.isPacked).toBe(true);
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expect(ctx.getPopulatedShortLength()).toBeGreaterThan(0);
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});
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});
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describe("Packed array", () => {
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it("Should initialize array", () => {
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const array = new PackedArray_1.PackedArray(1024, 128);
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expect(array.getPhysicalLength()).toBe(128);
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expect(array.length()).toBe(1024);
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});
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it("Should retrieve data stored in array", () => {
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// given
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const array = new PackedArray_1.PackedArray(1024, 16);
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// when
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array.set(16, 1);
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array.set(12, 42);
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// then
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expect(array.get(12)).toBe(42);
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expect(array.get(16)).toBe(1);
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});
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it("Should resize array when storing data", () => {
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// given
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const array = new PackedArray_1.PackedArray(1024, 16);
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// when
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array.set(12, 361);
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// then
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const storedData = array.get(12);
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expect(storedData).toBe(361);
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});
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it("Should retrieve big numbers stored in array", () => {
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// given
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const array = new PackedArray_1.PackedArray(1024, 16);
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// when
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array.set(12, Math.pow(2, 16) + 1);
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// then
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const storedData = array.get(12);
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expect(storedData).toBe(Math.pow(2, 16) + 1);
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});
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it("Should copy data when resizing array", () => {
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const array = new PackedArray_1.PackedArray(1024);
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for (let value = 1; value <= 272; value++) {
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array.set(value, value);
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}
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expect(array.get(1)).toBe(1);
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expect(array.get(255)).toBe(255);
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expect(array.get(272)).toBe(272);
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});
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it("Should increment data stored in array", () => {
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// given
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const array = new PackedArray_1.PackedArray(1024, 16);
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array.set(16, 1);
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// when
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array.add(16, 41);
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// then
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expect(array.get(16)).toBe(42);
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});
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it("Should increment data stored in array with big numbers", () => {
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// given
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const array = new PackedArray_1.PackedArray(1024, 16);
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array.set(16, 42);
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// when
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array.add(16, pow(2, 33));
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// then
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expect(array.get(16)).toBe(pow(2, 33) + 42);
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});
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it("Should increment data stored in array with big numbers when a resize is needed", () => {
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// given
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const array = new PackedArray_1.PackedArray(10000, 16);
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array.set(6144, 243);
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array.set(60, 243);
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array.set(1160, 243);
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// when
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array.add(6144, 25);
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// then
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expect(array.get(6144)).toBe(268);
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});
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it("Should increment data stored in array with big numbers", () => {
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// given
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const array = new PackedArray_1.PackedArray(1024, 16);
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array.set(16, 42);
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// when
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array.add(16, pow(2, 33));
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// then
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expect(array.get(16)).toBe(pow(2, 33) + 42);
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});
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it("Should clear data stored in array", () => {
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// given
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const array = new PackedArray_1.PackedArray(1024, 16);
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array.set(16, 42);
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// when
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array.clear();
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// then
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expect(array.get(16)).toBe(0);
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});
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it("Should resize array when virtual length change", () => {
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// given
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const array = new PackedArray_1.PackedArray(16, 16);
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array.set(7, 42);
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// when
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array.setVirtualLength(pow(2, 20));
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array.add(pow(2, 19), 42);
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// then
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expect(array.get(7)).toBe(42);
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expect(array.get(pow(2, 19))).toBe(42);
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});
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it("should handle properly big numbers", () => {
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// given
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const array = new PackedArray_1.PackedArray(45056, 16);
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// when
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array.set(32768, 1);
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// then
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expect(array.get(32768)).toBe(1);
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expect(array.get(0)).toBe(0);
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});
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});
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describe("Unpacked array", () => {
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it("Should increment data stored in array", () => {
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// given
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const array = new PackedArray_1.PackedArray(1024, pow(2, 20));
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array.set(16, 1);
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// when
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array.add(16, 41);
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// then
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expect(array.get(16)).toBe(42);
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});
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});
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//# sourceMappingURL=PackedArray.spec.js.map
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