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Tests: Verify MemberImportVisibility honors -public-module-name #81701

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Merged
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May 23, 2025
Merged

Tests: Verify MemberImportVisibility honors -public-module-name #81701

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32 changes: 32 additions & 0 deletions test/NameLookup/members_transitive_public_module_name.swift
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// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %target-swift-frontend -emit-module -o %t %t/LibCore.swift -public-module-name Lib
// RUN: %target-swift-frontend -emit-module -I %t -o %t %t/Lib.swift
// RUN: %target-swift-frontend -typecheck -primary-file %t/main.swift %t/other.swift -I %t -verify -swift-version 5 -enable-upcoming-feature MemberImportVisibility

// REQUIRES: swift_feature_MemberImportVisibility

//--- main.swift

import Swift
// expected-note {{add import of module 'Lib'}}

func foo(_ x: Int) -> Int {
x.bar // expected-error {{property 'bar' is not available due to missing import of defining module 'Lib'}}
}

//--- other.swift

import Lib

//--- Lib.swift

@_exported import LibCore

//--- LibCore.swift

extension Int {
public var bar: Int {
return self < 0 ? -self : self
}
}