carbon-lang/explorer/testdata/basic_syntax/fail_choice_no_parens.carbon

// 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
//
// RUN: %{not} %{explorer} %s 2>&1 | \
// RUN:   %{FileCheck} --match-full-lines --allow-unused-prefixes=false %s
// RUN: %{not} %{explorer} --parser_debug --trace_file=- %s 2>&1 | \
// RUN:   %{FileCheck} --match-full-lines --allow-unused-prefixes %s
// AUTOUPDATE: %{explorer} %s

package ExplorerTest api;

choice Ints {
  None,
  One(i32),
  Two(i32, i32)
}

fn Main() -> i32 {
  match (Ints.None()) {
    case Ints.None => return 0;
    // CHECK: COMPILATION ERROR: {{.*}}/explorer/testdata/basic_syntax/fail_choice_no_parens.carbon:[[@LINE+3]]: type error in `match` pattern type
    // CHECK: expected: fn () -> choice Ints
    // CHECK: actual: choice Ints
    default => return 1;
  }
}