// RUN: rm -rf %t && mkdir -p %t
// RUN: not %target-swift-frontend -typecheck %s -I %S/Inputs/broken-modules/ -enable-source-import -show-diagnostics-after-fatal 2> %t/err.txt
// RUN: %FileCheck -check-prefix CHECK -check-prefix CLANG-CHECK %s < %t/err.txt

// RUN: not %target-swift-frontend -typecheck %s -import-objc-header %S/Inputs/broken-modules/BrokenClangModule.h -enable-source-import 2> %t/err.bridging-header.txt 
// RUN: %FileCheck -check-prefix CHECK-BRIDGING-HEADER -check-prefix CLANG-CHECK %s < %t/err.bridging-header.txt

// RUN: not %target-swift-frontend -typecheck %s -import-objc-header %S/../../Inputs/empty.swift 2>&1 | %FileCheck -check-prefix=EMPTY-HEADER %s

// REQUIRES: objc_interop
// REQUIRES: rdar30287833

// EMPTY-HEADER-NOT: header

import Nonexistent
// CHECK-NOT: not found
// CHECK: broken-modules.swift:[[@LINE-2]]:8: error: no such module 'Nonexistent'

import MissingDependencyFromSwift
// CHECK-NOT: not found
// CHECK: MissingDependencyFromSwift.swift:1:8: error: no such module 'Dependency'
// CHECK-NOT: no such module 'MissingDependencyFromSwift'

import MissingDependencyFromClang
// CHECK: {{.+}}/Inputs/broken-modules/MissingDependencyFromClang.h:1:9: error: module 'Dependency' not found
// CHECK: broken-modules.swift:[[@LINE-2]]:8: error: could not build Objective-C module 'MissingDependencyFromClang'
// CHECK: error: no such module 'MissingDependencyFromClang'

import BrokenClangModule
// CLANG-CHECK: {{.+}}/Inputs/broken-modules/BrokenClangModule.h:2:13: error: redefinition of 'conflict' as different kind of symbol
// CLANG-CHECK: {{.+}}/Inputs/broken-modules/BrokenClangModule.h:1:5: note: previous definition is here
// CLANG-CHECK: a-fake-file.h:43:13: error: redefinition of 'conflict2' as different kind of symbol
// CLANG-CHECK: a-fake-file.h:42:5: note: previous definition is here
// CLANG-CHECK: a-fake-file.h:46:5: error: expected identifier or '('
// CLANG-CHECK: a-fake-file.h:45:11: note: expanded from macro 'I'
// CLANG-CHECK: {{.+}}/Inputs/broken-modules/BrokenClangModule.h:11:35: error: expected ';' after top level declarator

// CHECK: broken-modules.swift:[[@LINE-9]]:8: error: could not build Objective-C module 'BrokenClangModule'
// CHECK: error: no such module 'BrokenClangModule'
// CHECK-BRIDGING-HEADER: error: failed to import bridging header '{{.*}}/BrokenClangModule.h'


_ = BrokenClangModule.x
// CHECK: broken-modules.swift:[[@LINE-1]]:5: error: use of unresolved identifier 'BrokenClangModule'