mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
36 lines
1.8 KiB
Swift
36 lines
1.8 KiB
Swift
// RUN: %target-swift-frontend -typecheck -verify -module-name main %s
|
|
|
|
// Tests for interaction between comments & operators from SE-0037
|
|
// which defined comments to be whitespace for operator arity rules.
|
|
|
|
let foo: Bool! = true
|
|
|
|
// Used to be errors, should now work
|
|
let a = /* */!foo
|
|
_ = 1/**/+ 2
|
|
_ = 1 /**/+ 2
|
|
_ = 1 +/*hi*/2
|
|
|
|
// Used to work, should now be errors
|
|
// The actual error produced is probably not important.
|
|
// These are wrapped in functions to allow the parser to recover before the next test case.
|
|
func test1() { _ = foo/* */?.description } // expected-error {{expected ':' after '? ...' in ternary expression}}
|
|
func test2() { _ = foo/* */! } // expected-error {{expected expression after operator}}
|
|
func test3() { _ = 1/**/+2 } // expected-error {{consecutive statements on a line must be separated by ';'}} expected-warning {{result of operator '+' is unused}}
|
|
func test4() { _ = 1+/**/2 } // expected-error {{'+' is not a postfix unary operator}} expected-error {{consecutive statements on a line must be separated by ';'}} expected-warning {{integer literal is unused}}
|
|
|
|
// Continue to be errors
|
|
func test5() { _ = !/* */foo } // expected-error {{unary operator cannot be separated from its operand}}
|
|
func test6() { _ = 1+/* */2 } // expected-error {{'+' is not a postfix unary operator}} expected-error {{consecutive statements on a line must be separated by ';'}} expected-warning {{integer literal is unused}}
|
|
|
|
// Continue to work
|
|
_ = foo!// this is dangerous
|
|
_ = 1 +/**/ 2
|
|
_ = 1 +/* hi */2
|
|
|
|
// Ensure built-in operators are properly tokenized.
|
|
_ =/**/2
|
|
_/**/= 2
|
|
typealias A = () ->/* */()
|
|
func test7(x: Int) { _ = x./* desc */ } // expected-error {{expected member name following '.'}}
|