Diffusion Ant (mir/inline-method) Code

ant/tests/test_computed_assignment_order.js
3fa05edd2fe3mir/inline-method

test_computed_assignment_order.js
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			const failures = [];

			function assertOrder(name, got, expected) {
			const ok = got.length === expected.length && got.every((v, i) => v === expected[i]);
			if (!ok) failures.push(`${name}: expected [${expected.join(', ')}], got [${got.join(', ')}]`);
			}

			{
			const order = [];
			const base = {};
			const getObj = () => { order.push('obj'); return base; };
			const key = () => { order.push('key'); return 'k'; };
			const rhs = () => { order.push('rhs'); return 1; };
			getObj()[key()] = rhs();
			assertOrder('computed assignment order', order, ['obj', 'key', 'rhs']);
			}

			{
			const order = [];
			const base = {};
			const getObj = () => { order.push('obj'); return base; };
			const rhs = () => { order.push('rhs'); return 1; };
			getObj().x = rhs();
			assertOrder('named assignment order', order, ['obj', 'rhs']);
			}

			if (failures.length) {
			console.log('Assignment order failures:');
			for (let i = 0; i < failures.length; i++) {
			console.log(` ${i + 1}. ${failures[i]}`);
			}
			throw new Error(`Found ${failures.length} assignment-order regression(s)`);
			}

			console.log('PASS: assignment evaluation order');

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