Diffusion Ant (mir/inline-method) Code

ant/tests/json_temp_roots_stress.cjs
3fa05edd2fe3mir/inline-method

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

			function gcPressure() {
			const junk = [];
			for (let i = 0; i < 256; i++) {
			junk.push({
			i,
			label: 'x'.repeat(32),
			nested: [i, i + 1, i + 2]
			});
			}
			return junk.length;
			}

			const parsed = JSON.parse('{"outer":{"items":[{"name":"a"},{"name":"b"}]}}', function (key, value) {
			gcPressure();
			if (key === 'name') return value.toUpperCase();
			return value;
			});

			assert(parsed.outer.items[0].name === 'A', 'reviver should preserve nested values under GC pressure');
			assert(parsed.outer.items[1].name === 'B', 'reviver should preserve sibling values under GC pressure');

			const source = {
			title: 'root',
			nested: {
			keep: 'ok',
			value: 7,
			toJSON() {
			gcPressure();
			return {
			keep: this.keep,
			value: this.value
			};
			}
			}
			};

			const json = JSON.stringify(source, function (key, value) {
			gcPressure();
			if (key === 'title') return value + '-done';
			return value;
			});

			const roundTrip = JSON.parse(json);
			assert(roundTrip.title === 'root-done', 'replacer should preserve transformed root properties');
			assert(roundTrip.nested.keep === 'ok', 'toJSON result should survive GC pressure');
			assert(roundTrip.nested.value === 7, 'nested numeric values should survive GC pressure');

			console.log('json temp roots stress: ok');

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