| // RUN: %target-typecheck-verify-swift |
| |
| // FIXME: The clarity of these diagnostics could be improved. |
| // <rdar://problem/29912193> |
| |
| func isString(_ s: inout String) {} |
| |
| func test_UnicodeScalarDoesNotImplementArithmetic(_ us: UnicodeScalar, i: Int) { |
| var a1 = "a" + "b" // OK |
| isString(&a1) |
| // We don't check for the overload choices list on the overload note match because they may change on different platforms. |
| let a2 = "a" - "b" // expected-error {{binary operator '-' cannot be applied to two 'String' operands}} |
| // expected-note@-1 {{overloads for '-' exist with these partially matching parameter lists:}} |
| let a3 = "a" * "b" // expected-error {{binary operator '*' cannot be applied to two 'String' operands}} |
| // expected-note@-1 {{overloads for '*' exist with these partially matching parameter lists:}} |
| let a4 = "a" / "b" // expected-error {{binary operator '/' cannot be applied to two 'String' operands}} |
| // expected-note@-1 {{overloads for '/' exist with these partially matching parameter lists:}} |
| |
| let b1 = us + us // expected-error {{binary operator '+' cannot be applied to two 'UnicodeScalar' (aka 'Unicode.Scalar') operands}} |
| let b2 = us - us // expected-error {{binary operator '-' cannot be applied to two 'UnicodeScalar' (aka 'Unicode.Scalar') operands}} |
| let b3 = us * us // expected-error {{binary operator '*' cannot be applied to two 'UnicodeScalar' (aka 'Unicode.Scalar') operands}} |
| let b4 = us / us // expected-error {{binary operator '/' cannot be applied to two 'UnicodeScalar' (aka 'Unicode.Scalar') operands}} |
| |
| let c1 = us + i // expected-error {{cannot convert value of type 'UnicodeScalar' (aka 'Unicode.Scalar') to expected argument type 'Int'}} |
| let c2 = us - i // expected-error {{cannot convert value of type 'UnicodeScalar' (aka 'Unicode.Scalar') to expected argument type 'Int'}} |
| let c3 = us * i // expected-error {{cannot convert value of type 'UnicodeScalar' (aka 'Unicode.Scalar') to expected argument type 'Int'}} |
| let c4 = us / i // expected-error {{cannot convert value of type 'UnicodeScalar' (aka 'Unicode.Scalar') to expected argument type 'Int'}} |
| |
| let d1 = i + us // expected-error {{cannot convert value of type 'UnicodeScalar' (aka 'Unicode.Scalar') to expected argument type 'Int'}} |
| let d2 = i - us // expected-error {{cannot convert value of type 'UnicodeScalar' (aka 'Unicode.Scalar') to expected argument type 'Int'}} |
| let d3 = i * us // expected-error {{cannot convert value of type 'UnicodeScalar' (aka 'Unicode.Scalar') to expected argument type 'Int'}} |
| let d4 = i / us // expected-error {{cannot convert value of type 'UnicodeScalar' (aka 'Unicode.Scalar') to expected argument type 'Int'}} |
| } |
| |
