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Frontend-Learner/node_modules/copy-paste/test/copypaste.js

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+const assert = require("node:assert");
+const { describe, it } = require("node:test");
+const clipboard = require("../index.js");
+const clipboardPromises = require("../promises.js");
+
+const tests = [
+	{
+		text: "123456789abcdefghijklmnopqrstuvwxyz+-=&_[]<^=>=/{:})-{(`)}",
+		description: "ascii chars (<128)",
+	},
+	{ text: "ÉæÆôöòûùÿÖÜ¢£¥₧ƒ", description: "cp437 chars (<256)" },
+	{ text: "ĀāĂ㥹ĆćĈĉĊċČčĎ ፰፱፲፳፴፵፶፷፸፹፺፻፼", description: "unicode chars (<2^16)" },
+	{ text: "±", description: "special chars" },
+	{ text: "你好，我是中文", description: "chinese chars" },
+];
+
+function copyAndPasteAsync(content) {
+	return new Promise((resolve, reject) => {
+		clipboard.copy(content, (errorWhenCopy) => {
+			if (errorWhenCopy) return reject(errorWhenCopy);
+
+			clipboard.paste((errorWhenPaste, p) => {
+				if (errorWhenPaste) return reject(errorWhenPaste);
+
+				resolve(p);
+			});
+		});
+	});
+}
+
+describe("copy and paste", () => {
+	for (const { text, description } of tests) {
+		it(`should work correctly with ${description}`, async () => {
+			const result = await copyAndPasteAsync(text);
+			assert.ok(result);
+			assert.strictEqual(result, text);
+		});
+	}
+
+	it("should work correctly with JSON", async () => {
+		const obj = { name: "John", age: 30 };
+		const expectedText = `{\n\t"name": "John",\n\t"age": 30\n}`;
+
+		return new Promise((resolve, reject) => {
+			clipboard.copy.json(obj, (err, text) => {
+				if (err) return reject(err);
+
+				assert.ok(text);
+				assert.strictEqual(text, expectedText);
+
+				clipboard.paste((err, text) => {
+					if (err) return reject(err);
+
+					assert.ok(text);
+					assert.strictEqual(text, expectedText);
+
+					resolve();
+				});
+			});
+		});
+	});
+});
+
+describe("promise-based copy and paste", () => {
+	for (const { text, description } of tests) {
+		it(`should work correctly with ${description}`, async () => {
+			await clipboardPromises.copy(text);
+			const result = await clipboardPromises.paste();
+			assert.ok(result);
+			assert.strictEqual(result, text);
+		});
+	}
+
+	it("should work correctly with JSON", async () => {
+		const obj = { name: "John", age: 30 };
+		const expectedText = `{\n\t"name": "John",\n\t"age": 30\n}`;
+
+		await clipboardPromises.copy.json(obj);
+		const result = await clipboardPromises.paste();
+		assert.ok(result);
+		assert.strictEqual(result, expectedText);
+	});
+});