Diffusion Ant (mir/gc) Code

ant/tests/test_double_underscore_enumeration.mjs
445f58992868mir/gc

test_double_underscore_enumeration.mjs
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			function assert(condition, message) {
			if (!condition) throw new Error(message);
			}

			const plain = { __x: 1, visible: 2 };
			assert(
			JSON.stringify(Object.keys(plain)) === JSON.stringify(['__x', 'visible']),
			'Object.keys() should retain double-underscore own properties'
			);
			assert(
			JSON.stringify(Object.entries(plain)) === JSON.stringify([['__x', 1], ['visible', 2]]),
			'Object.entries() should retain double-underscore own properties'
			);
			assert(
			JSON.stringify(Reflect.ownKeys(plain)) === JSON.stringify(['__x', 'visible']),
			'Reflect.ownKeys() should retain double-underscore own properties'
			);

			const forInKeys = [];
			for (const key in plain) forInKeys.push(key);
			assert(
			JSON.stringify(forInKeys) === JSON.stringify(['__x', 'visible']),
			'for...in should retain double-underscore own properties'
			);

			const ctorBytes = new Uint8Array([
			0, 97, 115, 109, 1, 0, 0, 0,
			1, 5, 1, 96, 0, 1, 127,
			3, 2, 1, 0,
			7, 21, 1, 17, 95, 95, 119, 97, 115, 109, 95, 99, 97, 108, 108, 95, 99, 116, 111, 114, 115, 0, 0,
			10, 6, 1, 4, 0, 65, 1, 11,
			]);

			const module = new WebAssembly.Module(ctorBytes);
			const instance = new WebAssembly.Instance(module);
			assert(
			typeof instance.exports.__wasm_call_ctors === 'function',
			'wasm export named __wasm_call_ctors should be callable'
			);
			assert(
			JSON.stringify(Object.keys(instance.exports)) === JSON.stringify(['__wasm_call_ctors']),
			'Object.keys(instance.exports) should retain __wasm_call_ctors'
			);

			const copiedExports = Object.fromEntries(Object.entries(instance.exports));
			assert(
			typeof copiedExports.__wasm_call_ctors === 'function',
			'Object.entries(instance.exports) should preserve __wasm_call_ctors for Asyncify-style wrappers'
			);
			assert(copiedExports.__wasm_call_ctors() === 1, 'copied wasm export should still execute');

			console.log('double-underscore-enumeration:ok');

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