import {
base16Binary,
base16String,
+ base32Binary,
+ base32String,
base64Binary,
base64String,
filenameSafeBase64Binary,
filenameSafeBase64String,
isBase16,
+ isBase32,
isBase64,
isFilenameSafeBase64,
+ isWRMGBase32,
+ wrmgBase32Binary,
+ wrmgBase32String,
} from "./binary.js";
// These tests assume a LITTLE‐ENDIAN environment.
const data = new Map([
["", {
base16: "",
+ base32: "",
base64: "",
+ wrmg: "",
}],
["base64", {
base16: "006200610073006500360034",
+ base32: "ABRAAYIAOMAGKABWAA2A====",
base64: "AGIAYQBzAGUANgA0",
+ wrmg: "01H00R80EC06A01P00T0",
}],
[new Uint16Array([62535]), {
base16: "47F4",
+ base32: "I72A====",
base64: "R/Q=",
+ wrmg: "8ZT0",
}],
[new Uint8ClampedArray([75, 73, 66, 73]).buffer, {
base16: "4B494249",
+ base32: "JNEUESI=",
base64: "S0lCSQ==",
+ wrmg: "9D4M4J8",
}],
[new DataView(new Uint8Array([98, 97, 115, 101, 54, 52]).buffer), {
base16: "626173653634",
+ base32: "MJQXGZJWGQ======",
base64: "YmFzZTY0",
+ wrmg: "C9GQ6S9P6G",
}],
// The following three examples are from RFC 3548.
[new Uint8Array([0x14, 0xFB, 0x9C, 0x03, 0xD9, 0x7E]), {
base16: "14FB9C03D97E",
+ base32: "CT5ZYA6ZPY======",
base64: "FPucA9l+",
+ wrmg: "2KXSR0YSFR",
}],
[new Uint8Array([0x14, 0xFB, 0x9C, 0x03, 0xD9]), {
base16: "14FB9C03D9",
+ base32: "CT5ZYA6Z",
base64: "FPucA9k=",
+ wrmg: "2KXSR0YS",
}],
[new Uint8Array([0x14, 0xFB, 0x9C, 0x03]), {
base16: "14FB9C03",
+ base32: "CT5ZYAY=",
base64: "FPucAw==",
+ wrmg: "2KXSR0R",
}],
// The following examples are from the Ruby base32 gem.
[new Uint8Array([0x28]), {
base16: "28",
+ base32: "FA======",
base64: "KA==",
+ wrmg: "50",
}],
[new Uint8Array([0xD6]), {
base16: "D6",
+ base32: "2Y======",
base64: "1g==",
+ wrmg: "TR",
}],
[new Uint16Array([0xF8D6]), {
base16: "D6F8",
+ base32: "234A====",
base64: "1vg=",
+ wrmg: "TVW0",
}],
[new Uint8Array([0xD6, 0xF8, 0x00]), {
base16: "D6F800",
+ base32: "234AA===",
base64: "1vgA",
+ wrmg: "TVW00",
}],
[new Uint8Array([0xD6, 0xF8, 0x10]), {
base16: "D6F810",
+ base32: "234BA===",
base64: "1vgQ",
+ wrmg: "TVW10",
}],
[new Uint32Array([0x0C11F8D6]), {
base16: "D6F8110C",
+ base32: "234BCDA=",
base64: "1vgRDA==",
+ wrmg: "TVW1230",
}],
[new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]), {
base16: "D6F8110C80",
+ base32: "234BCDEA",
base64: "1vgRDIA=",
+ wrmg: "TVW12340",
}],
[new Uint16Array([0xF8D6, 0x0C11, 0x3085]), {
base16: "D6F8110C8530",
+ base32: "234BCDEFGA======",
base64: "1vgRDIUw",
+ wrmg: "TVW1234560",
}],
]);
});
});
+describe("base32Binary", () => {
+ it("[[Call]] returns the correct data", () => {
+ assertEquals(
+ new Uint8Array(base32Binary("")),
+ new Uint8Array([]),
+ "<empty>",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("ABRAAYIAOMAGKABWAA2A====")),
+ Uint8Array.from(
+ "\u{0}b\u{0}a\u{0}s\u{0}e\u{0}6\u{0}4",
+ ($) => $.charCodeAt(0),
+ ),
+ "ABRAAYIAOMAGKABWAA2A====",
+ );
+ assertEquals(
+ new Uint16Array(base32Binary("I72A====")),
+ new Uint16Array([62535]),
+ "I72A====",
+ );
+ assertEquals(
+ new Uint8ClampedArray(base32Binary("JNEUESI=")),
+ new Uint8ClampedArray([75, 73, 66, 73]),
+ "JNEUESI=",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("MJQXGZJWGQ======")),
+ new Uint8Array([98, 97, 115, 101, 54, 52]),
+ "MJQXGZJWGQ======",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("CT5ZYA6ZPY======")),
+ new Uint8Array([0x14, 0xFB, 0x9C, 0x03, 0xD9, 0x7E]),
+ "CT5ZYA6ZPY======",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("CT5ZYA6Z")),
+ new Uint8Array([0x14, 0xFB, 0x9C, 0x03, 0xD9]),
+ "CT5ZYA6Z",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("CT5ZYAY=")),
+ new Uint8Array([0x14, 0xFB, 0x9C, 0x03]),
+ "CT5ZYAY=",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("FA======")),
+ new Uint8Array([0x28]),
+ "FA======",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("2Y======")),
+ new Uint8Array([0xD6]),
+ "2Y======",
+ );
+ assertEquals(
+ new Uint16Array(base32Binary("234A====")),
+ new Uint16Array([0xF8D6]),
+ "234A====",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("234AA===")),
+ new Uint8Array([0xD6, 0xF8, 0x00]),
+ "234AA===",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("234BA===")),
+ new Uint8Array([0xD6, 0xF8, 0x10]),
+ "234BA===",
+ );
+ assertEquals(
+ new Uint32Array(base32Binary("234BCDA=")),
+ new Uint32Array([0x0C11F8D6]),
+ "234BCDA=",
+ );
+ assertEquals(
+ new Uint8Array(base32Binary("234BCDEA")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "234BCDEA",
+ );
+ assertEquals(
+ new Uint16Array(base32Binary("234BCDEFGA======")),
+ new Uint16Array([0xF8D6, 0x0C11, 0x3085]),
+ "234BCDEFGA======",
+ );
+ });
+
+ it("[[Call]] is case‐insensitive", () => {
+ assertEquals(
+ new Uint8Array(base32Binary("234bcdEA")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "234bcdEA",
+ );
+ });
+
+ it("[[Call]] throws when provided with an invalid character", () => {
+ assertThrows(() => base32Binary("ABC0"));
+ assertThrows(() => base32Binary("ABC1"));
+ assertThrows(() => base32Binary("ABC8"));
+ assertThrows(() => base32Binary("ABC9"));
+ });
+
+ it("[[Call]] throws when provided with an invalid equals", () => {
+ assertThrows(() => base32Binary("CT3ZYAY=="));
+ });
+
+ it("[[Call]] throws when provided with a length with a remainder of 1, 3 ∣ 6 when divided by 8", () => {
+ assertThrows(() => base32Binary("234BCDEAA"));
+ assertThrows(() => base32Binary("234BCDEAA======="));
+ assertThrows(() => base32Binary("UHI"));
+ assertThrows(() => base32Binary("UHIUJD"));
+ });
+});
+
+describe("base32String", () => {
+ it("[[Call]] returns the correct string", () => {
+ for (const [source, { base32 }] of data) {
+ assertStrictEquals(base32String(source), base32);
+ }
+ });
+});
+
describe("base64Binary", () => {
it("[[Call]] returns the correct data", () => {
assertEquals(
});
});
+describe("isBase32", () => {
+ it("[[Call]] returns true for base32 strings", () => {
+ for (const { base32 } of data.values()) {
+ assert(isBase32(base32));
+ assert(isBase32(base32.toLowerCase()));
+ }
+ });
+
+ it("[[Call]] returns false for others", () => {
+ [
+ undefined,
+ null,
+ true,
+ Symbol(),
+ 27,
+ 98n,
+ {},
+ [],
+ () => {},
+ new Proxy({}, {}),
+ "ABC1",
+ "A=======",
+ "ABCDEFGHI",
+ ].forEach((value) => assert(!isBase32(value)));
+ });
+});
+
describe("isBase64", () => {
it("[[Call]] returns true for base64 strings", () => {
for (const { base64 } of data.values()) {
].forEach((value) => assert(!isFilenameSafeBase64(value)));
});
});
+
+describe("isWRMGBase32", () => {
+ it("[[Call]] returns true for W·R·M·G base32 strings", () => {
+ for (const { wrmg } of data.values()) {
+ assert(isWRMGBase32(wrmg));
+ assert(isWRMGBase32(wrmg.toLowerCase()));
+ assert(isWRMGBase32(`--${wrmg}--`));
+ assert(isWRMGBase32(wrmg.replaceAll(/1/gu, "I")));
+ assert(isWRMGBase32(wrmg.replaceAll(/1/gu, "L")));
+ assert(isWRMGBase32(wrmg.replaceAll(/0/gu, "O")));
+ assert(isWRMGBase32(wrmg.replaceAll(/1/gu, "i")));
+ assert(isWRMGBase32(wrmg.replaceAll(/1/gu, "l")));
+ assert(isWRMGBase32(wrmg.replaceAll(/0/gu, "o")));
+ assert(isWRMGBase32(wrmg.replaceAll(/./gu, ($) => {
+ const rand = Math.random();
+ return rand < 0.25
+ ? $
+ : rand < 0.5
+ ? `-${$}`
+ : rand < 0.75
+ ? `${$}-`
+ : `-${$}-`;
+ })));
+ }
+ });
+
+ it("[[Call]] returns false for others", () => {
+ [
+ undefined,
+ null,
+ true,
+ Symbol(),
+ 27,
+ 98n,
+ {},
+ [],
+ () => {},
+ new Proxy({}, {}),
+ "ABCU",
+ "A",
+ "ABCDEFGH1",
+ ].forEach((value) => assert(!isWRMGBase32(value)));
+ });
+});
+
+describe("wrmgBase32Binary", () => {
+ it("[[Call]] returns the correct data", () => {
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("")),
+ new Uint8Array([]),
+ "<empty>",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("01H00R80EC06A01P00T0")),
+ Uint8Array.from(
+ "\u{0}b\u{0}a\u{0}s\u{0}e\u{0}6\u{0}4",
+ ($) => $.charCodeAt(0),
+ ),
+ "01H00R80EC06A01P00T0",
+ );
+ assertEquals(
+ new Uint16Array(wrmgBase32Binary("8ZT0")),
+ new Uint16Array([62535]),
+ "8ZT0",
+ );
+ assertEquals(
+ new Uint8ClampedArray(wrmgBase32Binary("9D4M4J8")),
+ new Uint8ClampedArray([75, 73, 66, 73]),
+ "9D4M4J8",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("C9GQ6S9P6G")),
+ new Uint8Array([98, 97, 115, 101, 54, 52]),
+ "C9GQ6S9P6G",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("2KXSR0YSFR")),
+ new Uint8Array([0x14, 0xFB, 0x9C, 0x03, 0xD9, 0x7E]),
+ "2KXSR0YSFR",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("2KXSR0YS")),
+ new Uint8Array([0x14, 0xFB, 0x9C, 0x03, 0xD9]),
+ "2KXSR0YS",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("2KXSR0R")),
+ new Uint8Array([0x14, 0xFB, 0x9C, 0x03]),
+ "2KXSR0R",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("50")),
+ new Uint8Array([0x28]),
+ "50",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("TR")),
+ new Uint8Array([0xD6]),
+ "TR",
+ );
+ assertEquals(
+ new Uint16Array(wrmgBase32Binary("TVW0")),
+ new Uint16Array([0xF8D6]),
+ "TVW0",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("TVW00")),
+ new Uint8Array([0xD6, 0xF8, 0x00]),
+ "TVW00",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("TVW10")),
+ new Uint8Array([0xD6, 0xF8, 0x10]),
+ "TVW10",
+ );
+ assertEquals(
+ new Uint32Array(wrmgBase32Binary("TVW1230")),
+ new Uint32Array([0x0C11F8D6]),
+ "TVW1230",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("TVW12340")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "TVW12340",
+ );
+ assertEquals(
+ new Uint16Array(wrmgBase32Binary("TVW1234560")),
+ new Uint16Array([0xF8D6, 0x0C11, 0x3085]),
+ "TVW1234560",
+ );
+ });
+
+ it("[[Call]] is case‐insensitive", () => {
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("tVw12340")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "tVw12340",
+ );
+ });
+
+ it("[[Call]] casts I, L & O", () => {
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("TVWI234O")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "TVWI234O",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("TVWi234o")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "TVWi234o",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("TVWL234O")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "TVWL234O",
+ );
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("TVWl234o")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "TVWl234o",
+ );
+ });
+
+ it("[[Call]] ignores hyphens", () => {
+ assertEquals(
+ new Uint8Array(wrmgBase32Binary("--TVW---123-40-----")),
+ new Uint8Array([0xD6, 0xF8, 0x11, 0x0C, 0x80]),
+ "--TVW---123-40-----",
+ );
+ });
+
+ it("[[Call]] throws when provided with an invalid character", () => {
+ assertThrows(() => wrmgBase32Binary("ABCu"));
+ assertThrows(() => wrmgBase32Binary("ABCU"));
+ assertThrows(() => wrmgBase32Binary("ABC="));
+ });
+
+ it("[[Call]] throws when provided with a length with a remainder of 1, 3 ∣ 6 when divided by 8", () => {
+ assertThrows(() => base32Binary("TVW123400"));
+ assertThrows(() => base32Binary("TVW123400======="));
+ assertThrows(() => base32Binary("M78"));
+ assertThrows(() => base32Binary("M78M93"));
+ });
+
+ it("[[Call]] throws when provided with a length with a remainder of 1 when divided by 4", () => {
+ assertThrows(() => wrmgBase32Binary("234BCDEAA"));
+ assertThrows(() => wrmgBase32Binary("2-34-B--CD-EA-A-"));
+ });
+});
+
+describe("wrmgBase32String", () => {
+ it("[[Call]] returns the correct string", () => {
+ for (const [source, { wrmg }] of data) {
+ assertStrictEquals(wrmgBase32String(source), wrmg);
+ }
+ });
+});
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