Function testTypeOf

deps/v8/test/mjsunit/baseline/test-baseline.js:81–93

(o, t)

// Typeof
function testTypeOf(o, t) {
  let types = ['number', 'string', 'symbol', 'boolean', 'bigint', 'undefined',
               'function', 'object'];
  assertEquals(t, eval('run(()=>typeof ' + o + ')'),
               `(()=>typeof ${o})() == ${t}`);
  assertTrue(eval('run(()=>typeof ' + o + ' == "' + t + '")'),
             `typeof ${o} == ${t}`);
  var other_types = types.filter((x) => x !== t);
  for (var other of other_types) {
    assertFalse(eval('run(()=>typeof ' + o + ' == "' + other + '")'),
                `typeof ${o} != ${other}`);
  }
}

testTypeOf('undefined', 'undefined');
testTypeOf('null', 'object');