1typeof_eq_undefined: { 2 options = { 3 comparisons: true, 4 unsafe: false 5 }; 6 input: { a = typeof b.c != "undefined" } 7 expect: { a = "undefined" != typeof b.c } 8} 9 10typeof_eq_undefined_unsafe: { 11 options = { 12 comparisons: true, 13 unsafe: true 14 }; 15 input: { a = typeof b.c != "undefined" } 16 expect: { a = b.c !== void 0 } 17} 18 19