| // RUN: %empty-directory(%t) |
| // RUN: %gyb -D_runtime=%target-runtime %s -o %t/main.swift |
| // RUN: %line-directive %t/main.swift -- %target-swift-frontend -typecheck -verify %t/main.swift |
| |
| func test_StringSubscriptByInt( |
| x: String, |
| i: Int, |
| r1: Range<Int>, |
| r2: ClosedRange<Int>, |
| r3: CountableRange<Int>, |
| r4: CountableClosedRange<Int> |
| ) { |
| _ = x[i] // expected-error {{'subscript' is unavailable: cannot subscript String with an Int, see the documentation comment for discussion}} {{none}} |
| _ = x[r1] // expected-error {{'subscript' is unavailable: cannot subscript String with a Range<Int>, see the documentation comment for discussion}} {{none}} |
| _ = x[r2] // expected-error {{'subscript' is unavailable: cannot subscript String with a ClosedRange<Int>, see the documentation comment for discussion}} {{none}} |
| _ = x[r3] // expected-error {{'subscript' is unavailable: cannot subscript String with a CountableRange<Int>, see the documentation comment for discussion}} {{none}} |
| _ = x[r4] // expected-error {{'subscript' is unavailable: cannot subscript String with a CountableClosedRange<Int>, see the documentation comment for discussion}} {{none}} |
| } |
| |
| % if _runtime == 'objc': |
| func test_UTF16ViewSubscriptByInt(x: String.UTF16View, i: Int, r: Range<Int>) { |
| _ = x[i] // expected-error {{'subscript' is unavailable: Indexing a String's UTF16View requires a String.UTF16View.Index, which can be constructed from Int when Foundation is imported}} {{none}} |
| _ = x[r] // expected-error {{'subscript' is unavailable: Slicing a String's UTF16View requires a Range<String.UTF16View.Index>, String.UTF16View.Index can be constructed from Int when Foundation is imported}} {{none}} |
| } |
| % end |
| |
| func test_UTF8View(s: String.UTF8View, i: String.UTF8View.Index, d: Int) { |
| _ = s.index(after: i) // OK |
| _ = s.index(before: i) // OK |
| _ = s.index(i, offsetBy: d) // OK |
| _ = s.index(i, offsetBy: d, limitedBy: i) // OK |
| _ = s.distance(from: i, to: i) // OK |
| } |
| |
| func test_UTF16View(s: String.UTF16View, i: String.UTF16View.Index, d: Int) { |
| _ = s.index(after: i) // OK |
| _ = s.index(before: i) // OK |
| _ = s.index(i, offsetBy: d) // OK |
| _ = s.index(i, offsetBy: d, limitedBy: i) // OK |
| _ = s.distance(from: i, to: i) // OK |
| } |
| |
| func test_UnicodeScalarView(s: String.UnicodeScalarView, i: String.UnicodeScalarView.Index, d: Int) { |
| _ = s.index(after: i) // OK |
| _ = s.index(before: i) // OK |
| _ = s.index(i, offsetBy: d) // OK |
| _ = s.index(i, offsetBy: d, limitedBy: i) // OK |
| _ = s.distance(from: i, to: i) // OK |
| } |
| |
| func test_CharacterView(s: String, i: String.Index, d: Int) { |
| _ = s.index(after: i) // OK |
| _ = s.index(before: i) // OK |
| _ = s.index(i, offsetBy: d) // OK |
| _ = s.index(i, offsetBy: d, limitedBy: i) // OK |
| _ = s.distance(from: i, to: i) // OK |
| } |