Skip to main content
Using Deno in production at your company? Earn free Deno merch.
Give us feedback
Module

std/encoding/ascii85_test.ts

Deno standard library
Go to Latest
File
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../assert/mod.ts";import { type Ascii85Standard, decodeAscii85, encodeAscii85,} from "./ascii85.ts";type TestCases = Partial<{ [index in Ascii85Standard]: string[][] }>;const utf8encoder = new TextEncoder();const testCasesNoDelimiter: TestCases = { Adobe: [ ["test", "FCfN8"], ["ascii85", "@<5pmBfIs"], ["Hello world!", "87cURD]j7BEbo80"], //wikipedia example [ "Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.", "9jqo^BlbD-BleB1DJ+*+F(f,q/0JhKF<GL>Cj@.4Gp$d7F!,L7@<6@)/0JDEF<G%<+EV:2F!,O<DJ+*.@<*K0@<6L(Df-\\0Ec5e;DffZ(EZee.Bl.9pF\"AGXBPCsi+DGm>@3BB/F*&OCAfu2/AKYi(DIb:@FD,*)+C]U=@3BN#EcYf8ATD3s@q?d$AftVqCh[NqF<G:8+EV:.+Cf>-FD5W8ARlolDIal(DId<j@<?3r@:F%a+D58'ATD4$Bl@l3De:,-DJs`8ARoFb/0JMK@qB4^F!,R<AKZ&-DfTqBG%G>uD.RTpAKYo'+CT/5+Cei#DII?(E,9)oF*2M7/c", ], ["", ""], ["\0", "!!"], ["\0\0", "!!!"], ["\0\0\0", "!!!!"], //special Adobe and btoa test cases - 4 bytes equal to 0 should become a "z" ["\0\0\0\0", "z"], ["\0\0\0\0\0", "z!!"], [" ", "+<VdL"], ], btoa: [ ["test", "FCfN8"], ["ascii85", "@<5pmBfIs"], ["Hello world!", "87cURD]j7BEbo80"], //wikipedia example [ "Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.", "9jqo^BlbD-BleB1DJ+*+F(f,q/0JhKF<GL>Cj@.4Gp$d7F!,L7@<6@)/0JDEF<G%<+EV:2F!,O<DJ+*.@<*K0@<6L(Df-\\0Ec5e;DffZ(EZee.Bl.9pF\"AGXBPCsi+DGm>@3BB/F*&OCAfu2/AKYi(DIb:@FD,*)+C]U=@3BN#EcYf8ATD3s@q?d$AftVqCh[NqF<G:8+EV:.+Cf>-FD5W8ARlolDIal(DId<j@<?3r@:F%a+D58'ATD4$Bl@l3De:,-DJs`8ARoFb/0JMK@qB4^F!,R<AKZ&-DfTqBG%G>uD.RTpAKYo'+CT/5+Cei#DII?(E,9)oF*2M7/c", ], ["", ""], ["\0", "!!"], ["\0\0", "!!!"], ["\0\0\0", "!!!!"], //special Adobe and btoa test cases - 4 bytes equal to 0 should become a "z" ["\0\0\0\0", "z"], ["\0\0\0\0\0", "z!!"], //special btoa test case - 4 spaces should become "y" [" ", "y"], ], "RFC 1924": [ ["test", "bY*jN"], ["ascii85", "VRK_?X*e|"], ["Hello world!", "NM&qnZy<MXa%^NF"], //wikipedia example [ "Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.", "O<`^zX>%ZCX>)XGZfA9Ab7*B`EFf-gbRchTY<VDJc_3(Mb0BhMVRLV8EFfZabRc4RAarPHb0BkRZfA9DVR9gFVRLh7Z*CxFa&K)QZ**v7av))DX>DO_b1WctXlY|;AZc?TVIXXEb95kYW*~HEWgu;7Ze%PVbZB98AYyqSVIXj2a&u*NWpZI|V`U(3W*}r`Y-wj`bRcPNAarPDAY*TCbZKsNWn>^>Ze$>7Ze(R<VRUI{VPb4$AZKN6WpZJ3X>V>IZ)PBCZf|#NWn^b%EFfigV`XJzb0BnRWgv5CZ*p`Xc4cT~ZDnp_Wgu^6AYpEKAY);2ZeeU7aBO8^b9HiME&", ], ["", ""], ["\0", "00"], ["\0\0", "000"], ["\0\0\0", "0000"], ["\0\0\0\0", "00000"], ["\0\0\0\0\0", "0000000"], [" ", "ARr(h"], ], Z85: [ ["test", "By/Jn"], ["ascii85", "vrk{)x/E%"], ["Hello world!", "nm=QNzY<mxA+]nf"], //wikipedia example [ "Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.", "o<}]Zx(+zcx(!xgzFa9aB7/b}efF?GBrCHty<vdjC{3^mB0bHmvrlv8efFzABrC4raARphB0bKrzFa9dvr9GfvrlH7z/cXfA=k!qz//V7AV!!dx(do{B1wCTxLy%&azC)tvixxeB95Kyw/#hewGU&7zE+pvBzb98ayYQsvixJ2A=U/nwPzi%v}u^3w/$R}y?WJ}BrCpnaARpday/tcBzkSnwN(](zE:(7zE^r<vrui@vpB4:azkn6wPzj3x(v(iz!pbczF%-nwN]B+efFIGv}xjZB0bNrwGV5cz/P}xC4Ct#zdNP{wGU]6ayPekay!&2zEEu7Abo8]B9hIme=", ], ["", ""], ["\0", "00"], ["\0\0", "000"], ["\0\0\0", "0000"], ["\0\0\0\0", "00000"], ["\0\0\0\0\0", "0000000"], [" ", "arR^H"], ],};const testCasesDelimiter: TestCases = { Adobe: [ ["test", "<~FCfN8~>"], ["ascii85", "<~@<5pmBfIs~>"], ["Hello world!", "<~87cURD]j7BEbo80~>"], //wikipedia example [ "Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.", "<~9jqo^BlbD-BleB1DJ+*+F(f,q/0JhKF<GL>Cj@.4Gp$d7F!,L7@<6@)/0JDEF<G%<+EV:2F!,O<DJ+*.@<*K0@<6L(Df-\\0Ec5e;DffZ(EZee.Bl.9pF\"AGXBPCsi+DGm>@3BB/F*&OCAfu2/AKYi(DIb:@FD,*)+C]U=@3BN#EcYf8ATD3s@q?d$AftVqCh[NqF<G:8+EV:.+Cf>-FD5W8ARlolDIal(DId<j@<?3r@:F%a+D58'ATD4$Bl@l3De:,-DJs`8ARoFb/0JMK@qB4^F!,R<AKZ&-DfTqBG%G>uD.RTpAKYo'+CT/5+Cei#DII?(E,9)oF*2M7/c~>", ], ["", "<~~>"], ["\0", "<~!!~>"], ["\0\0", "<~!!!~>"], ["\0\0\0", "<~!!!!~>"], //special Adobe and btoa test cases - 4 bytes equal to 0 should become a "z" ["\0\0\0\0", "<~z~>"], ["\0\0\0\0\0", "<~z!!~>"], [" ", "<~+<VdL~>"], ], btoa: [ ["test", "xbtoa Begin\nFCfN8\nxbtoa End"], ["ascii85", "xbtoa Begin\n@<5pmBfIs\nxbtoa End"], ["Hello world!", "xbtoa Begin\n87cURD]j7BEbo80\nxbtoa End"], //wikipedia example [ "Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.", "xbtoa Begin\n9jqo^BlbD-BleB1DJ+*+F(f,q/0JhKF<GL>Cj@.4Gp$d7F!,L7@<6@)/0JDEF<G%<+EV:2F!,O<DJ+*.@<*K0@<6L(Df-\\0Ec5e;DffZ(EZee.Bl.9pF\"AGXBPCsi+DGm>@3BB/F*&OCAfu2/AKYi(DIb:@FD,*)+C]U=@3BN#EcYf8ATD3s@q?d$AftVqCh[NqF<G:8+EV:.+Cf>-FD5W8ARlolDIal(DId<j@<?3r@:F%a+D58'ATD4$Bl@l3De:,-DJs`8ARoFb/0JMK@qB4^F!,R<AKZ&-DfTqBG%G>uD.RTpAKYo'+CT/5+Cei#DII?(E,9)oF*2M7/c\nxbtoa End", ], ["", "xbtoa Begin\n\nxbtoa End"], ["\0", "xbtoa Begin\n!!\nxbtoa End"], ["\0\0", "xbtoa Begin\n!!!\nxbtoa End"], ["\0\0\0", "xbtoa Begin\n!!!!\nxbtoa End"], //special Adobe and btoa test cases - 4 bytes equal to 0 should become a "z" ["\0\0\0\0", "xbtoa Begin\nz\nxbtoa End"], ["\0\0\0\0\0", "xbtoa Begin\nz!!\nxbtoa End"], //special btoa test case - 4 spaces should become "y" [" ", "xbtoa Begin\ny\nxbtoa End"], ],};
for (const [standard, tests] of Object.entries(testCasesNoDelimiter)) { if (tests === undefined) continue; Deno.test({ name: `encodeAscii85() encode ${standard}`, fn() { for (const [bin, b85] of tests) { assertEquals( encodeAscii85(bin as string, { standard: standard as Ascii85Standard, }), b85, ); } }, });
Deno.test({ name: `decodeAscii85() decode ${standard}`, fn() { for (const [bin, b85] of tests) { assertEquals( decodeAscii85(b85 as string, { standard: standard as Ascii85Standard, }), utf8encoder.encode(bin), ); } }, });}for (const [standard, tests] of Object.entries(testCasesDelimiter)) { if (tests === undefined) continue; Deno.test({ name: `encodeAscii85() encodes ${standard} with delimiter`, fn() { for (const [bin, b85] of tests) { assertEquals( encodeAscii85(bin as string, { standard: standard as Ascii85Standard, delimiter: true, }), b85, ); } }, });
Deno.test({ name: `decodeAscii85() decodes ${standard} with delimiter`, fn() { for (const [bin, b85] of tests) { assertEquals( decodeAscii85(b85 as string, { standard: standard as Ascii85Standard, delimiter: true, }), utf8encoder.encode(bin), ); } }, });}
Deno.test({ name: `encodeAscii85() encodes subarray of an Uint8Array`, fn() { const data1 = new Uint8Array([0x73, 0x70, 0x61, 0x6d]); const data2 = new Uint8Array( [0x01, 0x02, 0x03, 0x04, 0x73, 0x70, 0x61, 0x6d], );
const encoded1 = encodeAscii85(data1); const encoded2 = encodeAscii85(data2.subarray(4));
assertEquals(encoded1, "F)YQ)"); assertEquals(encoded2, "F)YQ)"); },});
Deno.test({ name: `decodeAscii85() decodes with default standard`, fn() { const tests = [ ["<~FCfN8Bl7P~>", "testing"], ["<~A7]XsCgh3l~>", "denoland"], ["<~@<5pmBfIsm@:X:cAH~>", "ascii85 adobe"], ] as const;
for (const [input, expect] of tests) { assertEquals( decodeAscii85(input), utf8encoder.encode(expect), ); } },});