Diffusion Ant (type-hints-typescript) Code

ant/examples/spec/base64.js
899dad6b8a9etype-hints-typescript

base64.js
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			import { test, summary } from './helpers.js';

			console.log('Base64 Tests\n');

			test('btoa Hello World', btoa('Hello, World!'), 'SGVsbG8sIFdvcmxkIQ==');
			test('atob Hello World', atob('SGVsbG8sIFdvcmxkIQ=='), 'Hello, World!');

			const original = 'The quick brown fox jumps over the lazy dog';
			test('roundtrip', atob(btoa(original)), original);

			test('btoa empty', btoa(''), '');
			test('atob empty', atob(''), '');

			test('btoa single char', btoa('A'), 'QQ==');
			test('btoa two chars', btoa('AB'), 'QUI=');
			test('btoa three chars', btoa('ABC'), 'QUJD');

			test('roundtrip numbers', atob(btoa('12345')), '12345');

			const special = '!@#$%^&*()';
			test('roundtrip special', atob(btoa(special)), special);

			const jsonData = '{"name":"test","value":123}';
			test('roundtrip json', atob(btoa(jsonData)), jsonData);

			test('btoa binary', btoa('\x00\x01\x02'), 'AAEC');
			test('atob binary', atob('AAEC'), '\x00\x01\x02');

			// Buffer base64 tests
			console.log('\nBuffer Base64 Tests\n');

			const buf1 = Buffer.from('Hello, World!');
			test('Buffer.toString base64', buf1.toString('base64'), 'SGVsbG8sIFdvcmxkIQ==');

			const buf2 = Buffer.from('ABC');
			test('Buffer.toString base64 ABC', buf2.toString('base64'), 'QUJD');

			const buf3 = Buffer.from('');
			test('Buffer.toString base64 empty', buf3.toString('base64'), '');

			const buf4 = Buffer.from([0x00, 0x01, 0x02]);
			test('Buffer.toString base64 binary', buf4.toString('base64'), 'AAEC');

			const buf5 = Buffer.from('A');
			test('Buffer.toString base64 single', buf5.toString('base64'), 'QQ==');

			const buf6 = Buffer.from('AB');
			test('Buffer.toString base64 two chars', buf6.toString('base64'), 'QUI=');

			// Buffer.toBase64() method
			test('Buffer.toBase64', buf1.toBase64(), 'SGVsbG8sIFdvcmxkIQ==');
			test('Buffer.toBase64 ABC', buf2.toBase64(), 'QUJD');
			test('Buffer.toBase64 empty', buf3.toBase64(), '');

			// Buffer hex encoding
			console.log('\nBuffer Hex Tests\n');

			const hexBuf1 = Buffer.from('Hello');
			test('Buffer.toString hex Hello', hexBuf1.toString('hex'), '48656c6c6f');

			const hexBuf2 = Buffer.from([0xde, 0xad, 0xbe, 0xef]);
			test('Buffer.toString hex deadbeef', hexBuf2.toString('hex'), 'deadbeef');

			const hexBuf3 = Buffer.from([0x00, 0xff, 0x10]);
			test('Buffer.toString hex padding', hexBuf3.toString('hex'), '00ff10');

			summary();

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