// 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_package_main.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/packages/fail_package_main.carbon

// --- fail_main.carbon

// CHECK:STDERR: fail_main.carbon:[[@LINE+4]]:1: error: `Main//default` must omit `package` declaration [ExplicitMainPackage]
// CHECK:STDERR: package Main;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
package Main;

// --- fail_main_impl.carbon

// CHECK:STDERR: fail_main_impl.carbon:[[@LINE+4]]:6: error: `Main//default` must omit `package` declaration [ExplicitMainPackage]
// CHECK:STDERR: impl package Main;
// CHECK:STDERR:      ^~~~~~~
// CHECK:STDERR:
impl package Main;

// --- fail_raw_main.carbon

// `Main` isn't a keyword, so this fails the same way.
// CHECK:STDERR: fail_raw_main.carbon:[[@LINE+4]]:1: error: `Main//default` must omit `package` declaration [ExplicitMainPackage]
// CHECK:STDERR: package r#Main;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
package r#Main;

// --- fail_main_lib.carbon

// CHECK:STDERR: fail_main_lib.carbon:[[@LINE+3]]:1: error: use `library` declaration in `Main` package libraries [ExplicitMainLibrary]
// CHECK:STDERR: package Main library "main_lib";
// CHECK:STDERR: ^~~~~~~
package Main library "[[@TEST_NAME]]";

// 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_main_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:   %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_raw_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_main_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: