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0507b02024
We would crash in some cases, or produce a slightly misleading diagnostic about same-element requirements, which are related but not quite the same. In the fullness of time, we should figure out this corner of the language. Until then, add a new diagnostic since this is really about same-type requirements between concrete types and packs. Fixes rdar://159790557.
87 lines
3.2 KiB
Swift
87 lines
3.2 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-typecheck-verify-swift -disable-availability-checking \
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// RUN: -enable-bare-slash-regex \
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// RUN: -enable-experimental-feature ParserASTGen \
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// RUN: -enable-experimental-feature DefaultIsolationPerFile
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// REQUIRES: swift_swift_parser
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// REQUIRES: swift_feature_ParserASTGen
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// REQUIRES: swift_feature_DefaultIsolationPerFile
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// rdar://116686158
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// UNSUPPORTED: asan
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func testRegexLiteral() {
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_ = (#/[*/#, #/+]/#, #/.]/#)
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// expected-error@-1:18 {{cannot parse regular expression: quantifier '+' must appear after expression}}
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// expected-error@-2:12 {{cannot parse regular expression: expected ']'}}
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}
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func testEditorPlaceholder() -> Int {
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func foo(_ x: String) {}
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foo(<#T##x: String##String#>) // expected-error {{editor placeholder in source file}})
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// Make sure we don't try to parse this as an editor placeholder.
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_ = `<#foo#>` // expected-error {{cannot find '<#foo#>' in scope}}
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return <#T##Int#> // expected-error {{editor placeholder in source file}}
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}
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_ = [(Int) -> async throws Int]()
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// expected-error@-1{{'async throws' must precede '->'}}
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// expected-note@-2{{move 'async throws' in front of '->'}}{{15-21=}} {{21-28=}} {{12-12=async }} {{12-12=throws }}
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@freestanding // expected-error {{expected arguments for 'freestanding' attribute}}
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func dummy() {}
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@_silgen_name("whatever", extra) // expected-error@:27 {{unexpected arguments in '_silgen_name' attribute}}
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func _whatever()
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struct S {
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subscript(x: Int) { _ = 1 } // expected-error@:23 {{expected '->' and return type in subscript}}
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// expected-note@-1:23 {{insert '->' and return type}}
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}
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struct ExpansionRequirementTest<each T> {}
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extension ExpansionRequirementTest where repeat each T == Int {} // expected-error {{same-type requirements between packs and concrete types are not yet supported}}
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#warning("this is a warning") // expected-warning {{this is a warning}}
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func testDiagnosticInFunc() {
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#error("this is an error") // expected-error {{this is an error}}
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}
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class TestDiagnosticInNominalTy {
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#error("this is an error member") // expected-error {{this is an error member}}
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}
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#if FLAG_NOT_ENABLED
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#error("error in inactive") // no diagnostis
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#endif
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func misisngExprTest() {
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func fn(x: Int, y: Int) {}
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fn(x: 1, y:) // expected-error {{expected value in function call}}
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// expected-note@-1 {{insert value}} {{14-14= <#expression#>}}
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}
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func misisngTypeTest() {
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func fn() -> {} // expected-error {{expected return type in function signature}}
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// expected-note@-1 {{insert return type}} {{16-16=<#type#> }}
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}
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func misisngPatternTest(arr: [Int]) {
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for {} // expected-error {{expected pattern, 'in', and expression in 'for' statement}}
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// expected-note@-1 {{insert pattern, 'in', and expression}} {{7-7=<#pattern#> }} {{7-7=in }} {{7-7=<#expression#> }}
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}
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using @MainActor // expected-note {{default isolation was previously declared here}}
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using nonisolated // expected-error {{invalid redeclaration of file-level default actor isolation}}
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using @Test
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// expected-error@-1 {{default isolation can only be set to '@MainActor' or 'nonisolated'}}
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using test
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// expected-error@-1 {{default isolation can only be set to '@MainActor' or 'nonisolated'}}
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