source: trip-planner-front/node_modules/hdr-histogram-js/dist/packedarray/PackedArray.spec.js@ 8d391a1

Last change on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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[6a3a178]1"use strict";
2Object.defineProperty(exports, "__esModule", { value: true });
3/*
4 * This is a TypeScript port of the original Java version, which was written by
5 * Gil Tene as described in
6 * https://github.com/HdrHistogram/HdrHistogram
7 * and released to the public domain, as explained at
8 * http://creativecommons.org/publicdomain/zero/1.0/
9 */
10const PackedArrayContext_1 = require("./PackedArrayContext");
11const PackedArray_1 = require("./PackedArray");
12const { pow } = Math;
13describe("Packed array context", () => {
14 it("Should initialize array", () => {
15 const ctx = new PackedArrayContext_1.PackedArrayContext(1024, 128);
16 expect(ctx.isPacked).toBe(true);
17 expect(ctx.getPopulatedShortLength()).toBeGreaterThan(0);
18 });
19});
20describe("Packed array", () => {
21 it("Should initialize array", () => {
22 const array = new PackedArray_1.PackedArray(1024, 128);
23 expect(array.getPhysicalLength()).toBe(128);
24 expect(array.length()).toBe(1024);
25 });
26 it("Should retrieve data stored in array", () => {
27 // given
28 const array = new PackedArray_1.PackedArray(1024, 16);
29 // when
30 array.set(16, 1);
31 array.set(12, 42);
32 // then
33 expect(array.get(12)).toBe(42);
34 expect(array.get(16)).toBe(1);
35 });
36 it("Should resize array when storing data", () => {
37 // given
38 const array = new PackedArray_1.PackedArray(1024, 16);
39 // when
40 array.set(12, 361);
41 // then
42 const storedData = array.get(12);
43 expect(storedData).toBe(361);
44 });
45 it("Should retrieve big numbers stored in array", () => {
46 // given
47 const array = new PackedArray_1.PackedArray(1024, 16);
48 // when
49 array.set(12, Math.pow(2, 16) + 1);
50 // then
51 const storedData = array.get(12);
52 expect(storedData).toBe(Math.pow(2, 16) + 1);
53 });
54 it("Should copy data when resizing array", () => {
55 const array = new PackedArray_1.PackedArray(1024);
56 for (let value = 1; value <= 272; value++) {
57 array.set(value, value);
58 }
59 expect(array.get(1)).toBe(1);
60 expect(array.get(255)).toBe(255);
61 expect(array.get(272)).toBe(272);
62 });
63 it("Should increment data stored in array", () => {
64 // given
65 const array = new PackedArray_1.PackedArray(1024, 16);
66 array.set(16, 1);
67 // when
68 array.add(16, 41);
69 // then
70 expect(array.get(16)).toBe(42);
71 });
72 it("Should increment data stored in array with big numbers", () => {
73 // given
74 const array = new PackedArray_1.PackedArray(1024, 16);
75 array.set(16, 42);
76 // when
77 array.add(16, pow(2, 33));
78 // then
79 expect(array.get(16)).toBe(pow(2, 33) + 42);
80 });
81 it("Should increment data stored in array with big numbers when a resize is needed", () => {
82 // given
83 const array = new PackedArray_1.PackedArray(10000, 16);
84 array.set(6144, 243);
85 array.set(60, 243);
86 array.set(1160, 243);
87 // when
88 array.add(6144, 25);
89 // then
90 expect(array.get(6144)).toBe(268);
91 });
92 it("Should increment data stored in array with big numbers", () => {
93 // given
94 const array = new PackedArray_1.PackedArray(1024, 16);
95 array.set(16, 42);
96 // when
97 array.add(16, pow(2, 33));
98 // then
99 expect(array.get(16)).toBe(pow(2, 33) + 42);
100 });
101 it("Should clear data stored in array", () => {
102 // given
103 const array = new PackedArray_1.PackedArray(1024, 16);
104 array.set(16, 42);
105 // when
106 array.clear();
107 // then
108 expect(array.get(16)).toBe(0);
109 });
110 it("Should resize array when virtual length change", () => {
111 // given
112 const array = new PackedArray_1.PackedArray(16, 16);
113 array.set(7, 42);
114 // when
115 array.setVirtualLength(pow(2, 20));
116 array.add(pow(2, 19), 42);
117 // then
118 expect(array.get(7)).toBe(42);
119 expect(array.get(pow(2, 19))).toBe(42);
120 });
121 it("should handle properly big numbers", () => {
122 // given
123 const array = new PackedArray_1.PackedArray(45056, 16);
124 // when
125 array.set(32768, 1);
126 // then
127 expect(array.get(32768)).toBe(1);
128 expect(array.get(0)).toBe(0);
129 });
130});
131describe("Unpacked array", () => {
132 it("Should increment data stored in array", () => {
133 // given
134 const array = new PackedArray_1.PackedArray(1024, pow(2, 20));
135 array.set(16, 1);
136 // when
137 array.add(16, 41);
138 // then
139 expect(array.get(16)).toBe(42);
140 });
141});
142//# sourceMappingURL=PackedArray.spec.js.map
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