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feat(ascii-art): 17 hand-coded font tables (5 existing + 12 new) with snapshot tests
Amit Haridas
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// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
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exports[`AsciiArt.fonts HELLO snapshot per font ansi-shadow 1`] = `
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"██╗ ██╗███████╗██╗ ██╗ ██████╗
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██║ ██║██╔════╝██║ ██║ ██╔═══██╗
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███████║█████╗ ██║ ██║ ██║ ██║
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██╔══██║██╔══╝ ██║ ██║ ██║ ██║
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██║ ██║███████╗███████╗███████╗╚██████╔╝
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╚═╝ ╚═╝╚══════╝╚══════╝╚══════╝ ╚═════╝
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"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font banner 1`] = `
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" ## ## ####### ## ## #####
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## ## ## ## ## ## ##
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## ## ## ## ## ## ##
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####### ##### ## ## ## ##
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## ## ## ## ## ## ##
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## ## ## ## ## ## ##
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## ## ####### ####### ####### ##### "
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font big 1`] = `
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" _ _ ______ _ _ ____
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| | | | | ____| | | | | / __ \\
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| |__| | | |__ | | | | | | | |
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| __ | | __| | | | | | | | |
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| | | | | |____ | |____ | |____ | |__| |
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|_| |_| |______| |______| |______| \\____/
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"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font block 1`] = `
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"██╗ ██╗███████╗██╗ ██╗ ██████╗
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██║ ██║██╔════╝██║ ██║ ██╔══██╗
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███████║█████╗ ██║ ██║ ██║ ██║
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██╔══██║██╔══╝ ██║ ██║ ██║ ██║
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██║ ██║███████╗███████╗███████╗╚██████╔╝
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╚═╝ ╚═╝╚══════╝╚══════╝╚══════╝ ╚═════╝ "
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font bubble 1`] = `
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" Ⓗ Ⓔ Ⓛ Ⓛ Ⓞ
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Ⓗ Ⓗ Ⓔ Ⓔ Ⓛ Ⓛ Ⓛ Ⓛ Ⓞ Ⓞ
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ⒽⒽⒽⒽⒽⒺⒺⒺⒺⒺⓁⓁⓁⓁⓁⓁⓁⓁⓁⓁⓄⓄⓄⓄⓄ
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Ⓗ ⒽⒺ ⒺⓁ ⓁⓁ ⓁⓄ Ⓞ
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Ⓗ ⒽⒺ ⒺⓁ ⓁⓁ ⓁⓄ Ⓞ"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font calvin-s 1`] = `
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" __ __ _______ ___ ___ _______
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| | | || || | | | | |
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| |_| || ___|| | | | | _ |
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| || |___ | | | | | | | |
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| || ___|| |___ | |___ | |_| |
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| _ || |___ | || || |
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|__| |__||_______||_______||_______||_______|"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font digital 1`] = `
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"▐ ▐ ▐▌▌▌▌ ▐ ▐ ▐▌▌▌▐
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▐ ▐ ▐ ▐ ▐ ▐ ▐
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▐▌▌▌▐ ▐▌▌▌ ▐ ▐ ▐ ▐
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▐ ▐ ▐ ▐ ▐ ▐ ▐
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▐ ▐ ▐▌▌▌▌ ▐ ▐ ▐ ▐
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▐ ▐ ▐ ▐▌▌▌▌ ▐▌▌▌▌ ▐▌▌▌▐
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"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font isometric1 1`] = `
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" ___ ___ ___ ___ ___
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/\\__\\ /\\ \\ /\\__\\ /\\__\\ /\\ \\
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/:/__/_ /::\\ \\ /:/ / /:/ / /::\\ \\
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/::\\/\\__\\ /::\\:\\__\\ /:/__/ /:/__/ /:/\\:\\__\\
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\\/\\::/ / \\:\\:\\/ / \\:\\ \\ \\:\\ \\ \\:\\/:/ /
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/:/ / \\:\\/ / \\:\\__\\ \\:\\__\\ \\::/ /
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\\/__/ \\/__/ \\/__/ \\/__/ \\/__/ "
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font isometric2 1`] = `
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"'##::::'##:'########:'##:::::::'##::::::::'#######::
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##:::: ##: ##.....:: ##::::::: ##:::::::'##.... ##:
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##:::: ##: ##::::::: ##::::::: ##::::::: ##:::: ##:
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#########: ######::: ##::::::: ##::::::: ##:::: ##:
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##.... ##: ##...:::: ##::::::: ##::::::: ##:::: ##:
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##:::: ##: ##::::::: ##::::::: ##::::::: ##:::: ##:
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##:::: ##: ########: ########: ########:. #######::
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..:::::..::........::........::........:::.......:::"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font isometric3 1`] = `
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" _ _ ____ _ _ ____
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FJ L] F ___J FJ FJ F __ ]
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J |__| L J |___: J | J | J |--| L
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| __ | | _____| | | | | | | | |
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F L__J J F L____: F L_____ F L_____ F L__J J
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J__L J__L J________L J________L J________L J\\______/F
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|__L J__| |________| |________| |________| J______F
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"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font isometric4 1`] = `
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"
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@@@ @@@ @@@@@@@@ @@@ @@@ @@@@@@
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@@! @@@ @@! @@! @@! @@! @@@
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@!@!@!@! @!!!:! @!! @!! @!@ !@!
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!!: !!! !!: !!: !!: !!: !!!
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: : : : :: :: : ::.: : : ::.: : : :. :
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"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font lean 1`] = `
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"
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_/ _/ _/_/_/_/ _/ _/ _/_/
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_/ _/ _/ _/ _/ _/ _/
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_/_/_/_/ _/_/_/ _/ _/ _/ _/
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_/ _/ _/ _/ _/ _/ _/
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_/ _/ _/_/_/_/ _/_/_/_/ _/_/_/_/ _/_/
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"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font slant 1`] = `
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" __ __ ______ __ __ ____
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/ / / / / ____/ / / / / / __ \\
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/ /_/ / / __/ / / / / / / / /
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/ __ / / /___ / /___ / /___/ /_/ /
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/_/ /_/ /_____/ /_____//_____/\\____/
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"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font small 1`] = `
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" _ _ ___ _ _ ___
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| || | | __| | | | | / _ \\
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| __ | | _| | |__ | |__ | (_) |
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|_||_| |___| |____| |____| \\___/
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"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font standard 1`] = `
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"| |_____| | ___
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| || | | / \\
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|___||___ | | | |
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| || | | | |
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| ||____|____|____\\___/"
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font three-d 1`] = `
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" ** ** ******** ** ** *******
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/** /**/**///// /** /** **/////**
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/** /**/** /** /** ** //**
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/**********/******* /** /** /** /**
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/**//////**/**//// /** /** /** /**
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/** /**/** /** /** //** **
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/** /**/********/********/******** //*******
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// // //////// //////// //////// /////// "
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`;
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exports[`AsciiArt.fonts HELLO snapshot per font three-x-five 1`] = `
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"
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# # ### # # #
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# # # # # # #
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### ## # # # #
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# # # # # # #
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# # ### ### ### # "
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`;
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/**
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* @jest-environment node
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*
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* Per-font snapshot tests for the 17 hand-coded ASCII art fonts. Snapshots
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* are the safety net that catches drift when the font tables are hand-edited.
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* Line endings are normalized to \n and trailing whitespace is trimmed so
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* editor auto-trim does not produce spurious diffs.
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*/
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const AsciiArtFonts = require('../../src/main/AsciiArt.fonts');
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const FONT_IDS = Object.freeze([
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// 5 existing
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'standard',
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'banner',
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'block',
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'bubble',
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'digital',
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// 12 new
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'big',
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'small',
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'lean',
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'slant',
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'isometric1',
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'isometric2',
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'isometric3',
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'isometric4',
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'three-d',
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'three-x-five',
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'ansi-shadow',
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'calvin-s',
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]);
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const normalize = (s) => s.replace(/\r\n/g, '\n').replace(/[ \t]+\n/g, '\n');
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describe('AsciiArt.fonts table shape', () => {
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test.each(FONT_IDS)('%s has height and chars for A-Z 0-9 and space', (id) => {
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const font = AsciiArtFonts.HAND_CODED_FONTS[id];
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expect(font).toBeDefined();
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expect(typeof font.height).toBe('number');
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expect(font.height).toBeGreaterThanOrEqual(4);
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expect(font.height).toBeLessThanOrEqual(8);
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expect(typeof font.chars).toBe('object');
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for (const ch of 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 '.split('')) {
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expect(font.chars[ch]).toBeDefined();
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expect(font.chars[ch]).toHaveLength(font.height);
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for (const line of font.chars[ch]) {
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expect(typeof line).toBe('string');
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}
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}
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});
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});
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describe('AsciiArt.fonts HELLO snapshot per font', () => {
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test.each(FONT_IDS)('%s', (id) => {
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const font = AsciiArtFonts.HAND_CODED_FONTS[id];
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const lines = Array(font.height).fill('');
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for (const ch of 'HELLO') {
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const glyph = font.chars[ch] || font.chars[' '];
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for (let i = 0; i < font.height; i++) lines[i] += glyph[i];
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}
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expect(normalize(lines.join('\n'))).toMatchSnapshot();
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});
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});
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describe('AsciiArt.fonts edge cases', () => {
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test('unknown character falls back to space glyph (preserves column width)', () => {
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const font = AsciiArtFonts.HAND_CODED_FONTS.standard;
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const fallback = font.chars[' '];
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const unknown = font.chars['é'];
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expect(unknown).toEqual(fallback);
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});
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test('all digit glyphs exist for standard', () => {
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const font = AsciiArtFonts.HAND_CODED_FONTS.standard;
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for (const d of '0123456789') {
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expect(font.chars[d]).toBeDefined();
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expect(font.chars[d]).toHaveLength(font.height);
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}
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});
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});
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