// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/packages/fail_import_invalid.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/packages/fail_import_invalid.carbon

// --- fail_main.carbon

// CHECK:STDERR: fail_main.carbon:[[@LINE+4]]:1: error: imports from the current package must omit the package name [ImportCurrentPackageByName]
// CHECK:STDERR: import Main;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Main;

// CHECK:STDERR: fail_main.carbon:[[@LINE+4]]:1: error: imports from the current package must omit the package name [ImportCurrentPackageByName]
// CHECK:STDERR: import Main library "lib";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Main library "lib";

// --- fail_not_main.carbon

package NotMain;

// CHECK:STDERR: fail_not_main.carbon:[[@LINE+4]]:1: error: cannot import `Main` from other packages [ImportMainPackage]
// CHECK:STDERR: import Main;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Main;

// CHECK:STDERR: fail_not_main.carbon:[[@LINE+4]]:1: error: cannot import `Main` from other packages [ImportMainPackage]
// CHECK:STDERR: import Main library "lib";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Main library "lib";

// --- fail_this.carbon

package This;

// CHECK:STDERR: fail_this.carbon:[[@LINE+4]]:1: error: file cannot import itself [ImportSelf]
// CHECK:STDERR: import This;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import This;

// --- fail_this_lib.carbon

package This library "[[@TEST_NAME]]";

// CHECK:STDERR: fail_this_lib.carbon:[[@LINE+4]]:1: error: file cannot import itself [ImportSelf]
// CHECK:STDERR: import library "this_lib";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import library "this_lib";

// --- implicit.carbon

package Implicit;

// --- fail_implicit.impl.carbon

impl package Implicit;

// CHECK:STDERR: fail_implicit.impl.carbon:[[@LINE+4]]:1: error: explicit import of `api` from `impl` file is redundant with implicit import [ExplicitImportApi]
// CHECK:STDERR: import Implicit;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Implicit;

// --- implicit_lib.carbon

package Implicit library "[[@TEST_NAME]]";

// --- fail_implicit_lib.impl.carbon

impl package Implicit library "[[@TEST_NAME]]";

// CHECK:STDERR: fail_implicit_lib.impl.carbon:[[@LINE+4]]:1: error: explicit import of `api` from `impl` file is redundant with implicit import [ExplicitImportApi]
// CHECK:STDERR: import Implicit library "implicit_lib";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Implicit library "implicit_lib";

// --- fail_not_found.carbon
package NotFound;

// CHECK:STDERR: fail_not_found.carbon:[[@LINE+4]]:1: error: imported API 'ImportNotFound' not found [ImportNotFound]
// CHECK:STDERR: import ImportNotFound;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import ImportNotFound;

// CHECK:STDOUT: --- fail_main.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_not_main.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_this.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_this_lib.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- implicit.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_implicit.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Implicit.import = import Implicit
// CHECK:STDOUT:   %default.import = import <none>
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- implicit_lib.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_implicit_lib.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Implicit.import = import Implicit
// CHECK:STDOUT:   %default.import = import <none>
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_not_found.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %ImportNotFound: <namespace> = namespace file.%ImportNotFound.import, [template] {
// CHECK:STDOUT:     has_error
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .ImportNotFound = imports.%ImportNotFound
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %ImportNotFound.import = import ImportNotFound
// CHECK:STDOUT: }
// CHECK:STDOUT: