Diffusion Ant (master) Code

ant/tests/test_collections_constructor_iterables.cjs
457d5953e6c8master

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

			const map = new Map([
			['x', 1],
			['y', 2],
			]);
			const mapCopy = new Map(map);
			const mapNull = new Map(null);
			const mapUndef = new Map(undefined);

			assert(mapCopy.size === 2, `expected copied map size 2, got ${mapCopy.size}`);
			assert(mapCopy.get('x') === 1, 'expected copied map to contain x => 1');
			assert(mapCopy.get('y') === 2, 'expected copied map to contain y => 2');
			assert(mapNull.size === 0, `expected null map size 0, got ${mapNull.size}`);
			assert(mapUndef.size === 0, `expected undefined map size 0, got ${mapUndef.size}`);

			const set = new Set(['a', 'b']);
			const setCopy = new Set(set);
			const setNull = new Set(null);
			const setUndef = new Set(undefined);

			assert(setCopy.size === 2, `expected copied set size 2, got ${setCopy.size}`);
			assert(setCopy.has('a'), 'expected copied set to contain a');
			assert(setCopy.has('b'), 'expected copied set to contain b');
			assert(setNull.size === 0, `expected null set size 0, got ${setNull.size}`);
			assert(setUndef.size === 0, `expected undefined set size 0, got ${setUndef.size}`);

			console.log('collections constructor iterables ok');

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