tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(37,25): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(38,25): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(39,25): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(40,25): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(41,25): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(44,30): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(45,30): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(46,30): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(47,30): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(48,30): error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(55,43): error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(57,52): error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(58,43): error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(61,5): error TS2322: Type 'string' is not assignable to type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(63,5): error TS2322: Type 'string' is not assignable to type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(75,5): error TS2322: Type '"Hello" | "World"' is not assignable to type '"Hello"'.
  Type '"World"' is not assignable to type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(77,5): error TS2322: Type '"Hello" | "World"' is not assignable to type '"Hello"'.
  Type '"World"' is not assignable to type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(87,43): error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(88,43): error TS2345: Argument of type '"Hello"' is not assignable to parameter of type '"World"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(89,52): error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(93,5): error TS2322: Type 'string' is not assignable to type '"Hello" | "World"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(97,5): error TS2322: Type 'string' is not assignable to type '"Hello" | "World"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(100,25): error TS2345: Argument of type '"Hello" | "World"' is not assignable to parameter of type '"Hello"'.
  Type '"World"' is not assignable to type '"Hello"'.
tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts(104,25): error TS2345: Argument of type '"Hello" | "World"' is not assignable to parameter of type '"Hello"'.
  Type '"World"' is not assignable to type '"Hello"'.


==== tests/cases/conformance/types/stringLiteral/typeArgumentsWithStringLiteralTypes01.ts (24 errors) ====
    
    declare function randBool(): boolean;
    declare function takeReturnString(str: string): string;
    declare function takeReturnHello(str: "Hello"): "Hello";
    declare function takeReturnHelloWorld(str: "Hello" | "World"): "Hello" | "World";
    
    function fun1<T>(x: T, y: T) {
        return randBool() ? x : y;
    }
    
    function fun2<T, U>(x: T, y: U) {
        return randBool() ? x : y;
    }
    
    function fun3<T>(...args: T[]): T {
        return args[+randBool()];
    }
    
    namespace n1 {
        // The following should all come back as strings.
        // They should be assignable to/from something of a type 'string'.
        // They should not be assignable to either "Hello" or "World".
        export let a = fun1("Hello", "World");
        export let b = fun1("Hello", "Hello");
        export let c = fun2("Hello", "World");
        export let d = fun2("Hello", "Hello");
        export let e = fun3("Hello", "Hello", "World", "Foo");
    
        // Should be valid
        a = takeReturnString(a);
        b = takeReturnString(b);
        c = takeReturnString(c);
        d = takeReturnString(d);
        e = takeReturnString(e);
        
        // Passing these as arguments should cause an error.
        a = takeReturnHello(a);
                            ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
        b = takeReturnHello(b);
                            ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
        c = takeReturnHello(c);
                            ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
        d = takeReturnHello(d);
                            ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
        e = takeReturnHello(e);
                            ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello"'.
    
        // Passing these as arguments should cause an error.
        a = takeReturnHelloWorld(a);
                                 ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
        b = takeReturnHelloWorld(b);
                                 ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
        c = takeReturnHelloWorld(c);
                                 ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
        d = takeReturnHelloWorld(d);
                                 ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
        e = takeReturnHelloWorld(e);
                                 ~
!!! error TS2345: Argument of type 'string' is not assignable to parameter of type '"Hello" | "World"'.
    }
    
    namespace n2 {
        // The following (regardless of errors) should come back typed
        // as "Hello" (or "Hello" | "Hello").
        export let a = fun1<"Hello">("Hello", "Hello");
        export let b = fun1<"Hello">("Hello", "World");
                                              ~~~~~~~
!!! error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
        export let c = fun2<"Hello", "Hello">("Hello", "Hello");
        export let d = fun2<"Hello", "Hello">("Hello", "World");
                                                       ~~~~~~~
!!! error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
        export let e = fun3<"Hello">("Hello", "World");
                                              ~~~~~~~
!!! error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
    
        // Assignment from the returned value should cause an error.
        a = takeReturnString(a);
        ~
!!! error TS2322: Type 'string' is not assignable to type '"Hello"'.
        b = takeReturnString(b);
        c = takeReturnString(c);
        ~
!!! error TS2322: Type 'string' is not assignable to type '"Hello"'.
        d = takeReturnString(d);
        e = takeReturnString(e);
    
        // Should be valid
        a = takeReturnHello(a);
        b = takeReturnHello(b);
        c = takeReturnHello(c);
        d = takeReturnHello(d);
        e = takeReturnHello(e);
    
        // Assignment from the returned value should cause an error.
        a = takeReturnHelloWorld(a);
        ~
!!! error TS2322: Type '"Hello" | "World"' is not assignable to type '"Hello"'.
!!! error TS2322:   Type '"World"' is not assignable to type '"Hello"'.
        b = takeReturnHelloWorld(b);
        c = takeReturnHelloWorld(c);
        ~
!!! error TS2322: Type '"Hello" | "World"' is not assignable to type '"Hello"'.
!!! error TS2322:   Type '"World"' is not assignable to type '"Hello"'.
        d = takeReturnHelloWorld(d);
        e = takeReturnHelloWorld(e);
    }
    
    
    namespace n3 {
        // The following (regardless of errors) should come back typed
        // as "Hello" | "World" (or "World" | "Hello").
        export let a = fun2<"Hello", "World">("Hello", "World");
        export let b = fun2<"Hello", "World">("World", "Hello");
                                              ~~~~~~~
!!! error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
        export let c = fun2<"World", "Hello">("Hello", "Hello");
                                              ~~~~~~~
!!! error TS2345: Argument of type '"Hello"' is not assignable to parameter of type '"World"'.
        export let d = fun2<"World", "Hello">("World", "World");
                                                       ~~~~~~~
!!! error TS2345: Argument of type '"World"' is not assignable to parameter of type '"Hello"'.
        export let e = fun3<"Hello" | "World">("Hello", "World");
    
        // Assignment from the returned value should cause an error.
        a = takeReturnString(a);
        ~
!!! error TS2322: Type 'string' is not assignable to type '"Hello" | "World"'.
        b = takeReturnString(b);
        c = takeReturnString(c);
        d = takeReturnString(d);
        e = takeReturnString(e);
        ~
!!! error TS2322: Type 'string' is not assignable to type '"Hello" | "World"'.
    
        // Passing these as arguments should cause an error.
        a = takeReturnHello(a);
                            ~
!!! error TS2345: Argument of type '"Hello" | "World"' is not assignable to parameter of type '"Hello"'.
!!! error TS2345:   Type '"World"' is not assignable to type '"Hello"'.
        b = takeReturnHello(b);
        c = takeReturnHello(c);
        d = takeReturnHello(d);
        e = takeReturnHello(e);
                            ~
!!! error TS2345: Argument of type '"Hello" | "World"' is not assignable to parameter of type '"Hello"'.
!!! error TS2345:   Type '"World"' is not assignable to type '"Hello"'.
    
        // Both should be valid.
        a = takeReturnHelloWorld(a);
        b = takeReturnHelloWorld(b);
        c = takeReturnHelloWorld(c);
        d = takeReturnHelloWorld(d);
        e = takeReturnHelloWorld(e);
    }