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import { expect, it, describe } from "bun:test";
describe("TextEncoder", () => {
it("should encode latin1 text", () => {
const text = "Hello World!";
const encoder = new TextEncoder();
const encoded = encoder.encode(text);
expect(encoded instanceof Uint8Array).toBe(true);
expect(encoded.length).toBe(text.length);
const result = [72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33];
for (let i = 0; i < result.length; i++) {
expect(encoded[i]).toBe(result[i]);
}
});
it("should encode latin1 rope text", () => {
var text = "Hello";
text += " ";
text += "World!";
const encoder = new TextEncoder();
const encoded = encoder.encode(text);
expect(encoded instanceof Uint8Array).toBe(true);
const result = [72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33];
for (let i = 0; i < result.length; i++) {
expect(encoded[i]).toBe(result[i]);
}
expect(result.length).toBe(encoded.length);
});
it("should encode utf-16 text", () => {
const text = `❤️ Red Heart
✨ Sparkles
🔥 Fire
`;
const encoder = new TextEncoder();
const encoded = encoder.encode(text);
expect(encoded instanceof Uint8Array).toBe(true);
const result = [
226, 157, 164, 239, 184, 143, 32, 82, 101, 100, 32, 72, 101, 97, 114, 116,
10, 32, 32, 32, 32, 226, 156, 168, 32, 83, 112, 97, 114, 107, 108, 101,
115, 10, 32, 32, 32, 32, 240, 159, 148, 165, 32, 70, 105, 114, 101, 10,
32, 32, 32, 32,
];
expect(encoded.length).toBe(result.length);
for (let i = 0; i < result.length; i++) {
expect(encoded[i]).toBe(result[i]);
}
});
it("should encode utf-16 rope text", () => {
var textReal = `❤️ Red Heart
✨ Sparkles
🔥 Fire
`;
var a = textReal.split("");
var text = "";
for (let j of a) {
text += j;
}
const text2 = `❤️ Red Heart
✨ Sparkles
🔥 Fire
`;
// expect(text2).toBe(text);
// console.log(text2 === text);
const encoder = new TextEncoder();
const encoded = encoder.encode(text);
console.log(text);
console.log(textReal);
expect(encoded instanceof Uint8Array).toBe(true);
const result = [
226, 157, 164, 239, 184, 143, 32, 82, 101, 100, 32, 72, 101, 97, 114, 116,
10, 32, 32, 32, 32, 226, 156, 168, 32, 83, 112, 97, 114, 107, 108, 101,
115, 10, 32, 32, 32, 32, 240, 159, 148, 165, 32, 70, 105, 114, 101, 10,
32, 32, 32, 32,
];
const len = Math.min(result.length, encoded.length);
for (let i = 0; i < len; i++) {
expect(encoded[i]).toBe(result[i]);
}
expect(encoded.length).toBe(result.length);
});
// it("should use a unicode replacement character for invalid surrogate pairs", () => {
// var bad = [
// {
// input: "\uD800",
// expected: "\uFFFD",
// name: "lone surrogate lead",
// },
// {
// input: "\uDC00",
// expected: "\uFFFD",
// name: "lone surrogate trail",
// },
// {
// input: "\uD800\u0000",
// expected: "\uFFFD\u0000",
// name: "unmatched surrogate lead",
// },
// {
// input: "\uDC00\u0000",
// expected: "\uFFFD\u0000",
// name: "unmatched surrogate trail",
// },
// {
// input: "\uDC00\uD800",
// expected: "\uFFFD\uFFFD",
// name: "swapped surrogate pair",
// },
// {
// input: "\uD834\uDD1E",
// expected: "\uD834\uDD1E",
// name: "properly encoded MUSICAL SYMBOL G CLEF (U+1D11E)",
// },
// ];
// const encoder = new TextEncoder();
// for (var i = 0; i < bad.length; i++) {
// const input = encoder.encode(bad[i].input);
// const output = encoder.encode(bad[i].expected);
// for (let j = 0; j < input.length; j++) {
// expect(input[j]).toBe(output[j]);
// console.log(input[j], output[j]);
// }
// }
// });
});
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