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