// 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/parse/testdata/basics/fail_invalid_designators.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/basics/fail_invalid_designators.carbon

// NOTE: Move to its own directory when more tests are added.
fn F() {
  // CHECK:STDERR: fail_invalid_designators.carbon:[[@LINE+4]]:5: error: expected identifier after `.` [ExpectedIdentifierAfterPeriodOrArrow]
  // CHECK:STDERR:   a.;
  // CHECK:STDERR:     ^
  // CHECK:STDERR:
  a.;
  // CHECK:STDERR: fail_invalid_designators.carbon:[[@LINE+4]]:5: error: expected identifier after `.`; prefix reserved word with `r#` to form a valid identifier [ExpectedIdentifierAfterPeriodOrArrow]
  // CHECK:STDERR:   a.fn;
  // CHECK:STDERR:     ^~
  // CHECK:STDERR:
  a.fn;
}

// CHECK:STDOUT: - filename: fail_invalid_designators.carbon
// CHECK:STDOUT:   ╭─FileStart ''
// CHECK:STDOUT:   │   ╭─FunctionIntroducer 'fn'
// CHECK:STDOUT:   │   ├─IdentifierNameMaybeBeforeSignature 'F'
// CHECK:STDOUT:   │   │ ╭─ExplicitParamListStart '('
// CHECK:STDOUT:   │   ├─ExplicitParamList ')'
// CHECK:STDOUT:   │ ╭─FunctionDefinitionStart '{'
// CHECK:STDOUT:   │ │   ╭─IdentifierNameExpr 'a'
// CHECK:STDOUT:   │ │   ├─IdentifierNameNotBeforeSignature ';' has_error
// CHECK:STDOUT:   │ │ ╭─MemberAccessExpr '.'
// CHECK:STDOUT:   │ ├─ExprStatement ';' has_error
// CHECK:STDOUT:   │ │   ╭─IdentifierNameExpr 'a'
// CHECK:STDOUT:   │ │   ├─IdentifierNameNotBeforeSignature 'fn'
// CHECK:STDOUT:   │ │ ╭─MemberAccessExpr '.'
// CHECK:STDOUT:   │ ├─ExprStatement ';'
// CHECK:STDOUT:   ├─FunctionDefinition '}'
// CHECK:STDOUT:   ├─FileEnd ''
// CHECK:STDOUT:   (root)