Diffusion Ant (type-hints-typescript) Code

ant/tests/test_primitive_wrappers.js
899dad6b8a9etype-hints-typescript

test_primitive_wrappers.js
View Options

			// Test primitive wrapper objects with SLOT_PRIMITIVE

			let passed = 0;
			let failed = 0;

			function test(name, condition) {
			if (condition) {
			console.log('✓', name);
			passed++;
			} else {
			console.log('✗', name);
			failed++;
			}
			}

			// String wrapper
			let s = new String('hello');
			test('String wrapper typeof', typeof s === 'object');
			test('String wrapper + concat', s + ' world' === 'hello world');
			test('String wrapper length', s.length === 5);
			test('String wrapper valueOf', s.valueOf() === 'hello');

			// Number wrapper
			let n = new Number(42);
			test('Number wrapper typeof', typeof n === 'object');
			test('Number wrapper + arithmetic', n + 8 === 50);
			test('Number wrapper valueOf', n.valueOf() === 42);

			// Boolean wrapper
			let b = new Boolean(true);
			test('Boolean wrapper typeof', typeof b === 'object');
			test('Boolean wrapper is truthy', !!b === true);
			test('Boolean wrapper valueOf', b.valueOf() === true);

			// Object() wrapping primitives
			let wrapped = Object('test');
			test('Object(string) is object', typeof wrapped === 'object');
			test('Object(string) valueOf', wrapped.valueOf() === 'test');

			console.log('\nResults:', passed, 'passed,', failed, 'failed');

Owner Packages

No Owners