TypeScript/tests/cases/conformance/types/literal/stringLiteralsWithEqualityChecks04.ts
2016-07-06 21:00:47 -07:00

30 lines
471 B
TypeScript

interface Runnable {
isRunning: boolean;
}
interface Refrigerator extends Runnable {
makesFoodGoBrrr: boolean;
}
let x: string;
let y: "foo" | Refrigerator;
let b: boolean;
b = x == y;
b = "foo" == y
b = y == "foo";
b = "foo" == "bar";
b = "bar" == x;
b = x == "bar";
b = y == "bar";
b = "bar" == y;
b = x != y;
b = "foo" != y
b = y != "foo";
b = "foo" != "bar";
b = "bar" != x;
b = x != "bar";
b = y != "bar";
b = "bar" != y;