| // RUN: not %target-swiftc_driver %s 2>&1 | FileCheck -check-prefix=DEFAULT %s |
| // RUN: not %target-swiftc_driver -warnings-as-errors %s 2>&1 | FileCheck -check-prefix=WERR %s |
| // RUN: not %target-swiftc_driver -suppress-warnings %s 2>&1 | FileCheck -check-prefix=NOWARN %s |
| |
| // RUN: not %target-swiftc_driver -suppress-warnings -warnings-as-errors %s 2>&1 | FileCheck -check-prefix=FLAGS_CONFLICT %s |
| // FLAGS_CONFLICT: error: conflicting options '-warnings-as-errors' and '-suppress-warnings' |
| |
| func foo() -> Int { |
| let x = 1 |
| var y = 2 |
| // DEFAULT: warning: variable 'y' was never mutated; consider changing to 'let' constant |
| // WERR: error: variable 'y' was never mutated; consider changing to 'let' constant |
| // NOWARN-NOT: variable 'y' was never mutated |
| return x + y |
| } |
| |
| func bar() { |
| foo() |
| // To help anchor the checks, have an error. Put it inside a later function, to help make sure it comes after |
| xyz |
| // DEFAULT: error: use of unresolved identifier 'xyz' |
| // WERR: error: use of unresolved identifier 'xyz' |
| // NOWARN: error: use of unresolved identifier 'xyz' |
| } |
