Files
carbon-lang/toolchain/check/testdata/interop/cpp/enum/copy.carbon
T
Jon Ross-Perkins 64e3fab43a Skip C++ types when generating Destroy witnesses (#6732)
This TODO had been written before C++ types were generating destroy
implementations, which is resolved now.

Assisted-by: Google Antigravity with Gemini 3 Flash
2026-02-14 00:43:11 +00:00

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// 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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/enum/copy.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/enum/copy.carbon
// --- enum.h
enum Enum : short { a, b, c };
// --- fail_todo_copy_enum.carbon
library "[[@TEST_NAME]]";
import Cpp library "enum.h";
//@dump-sem-ir-begin
fn F() {
// CHECK:STDERR: fail_todo_copy_enum.carbon:[[@LINE+4]]:3: error: cannot access member of interface `Core.Destroy` in type `Cpp.Enum` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: var a: Cpp.Enum = Cpp.Enum.a;
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR:
var a: Cpp.Enum = Cpp.Enum.a;
a = Cpp.Enum.b;
}
//@dump-sem-ir-end
// CHECK:STDOUT: --- fail_todo_copy_enum.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %Enum: type = class_type @Enum [concrete]
// CHECK:STDOUT: %pattern_type.ebf: type = pattern_type %Enum [concrete]
// CHECK:STDOUT: %int_0: %Enum = int_value 0 [concrete]
// CHECK:STDOUT: %int_1: %Enum = int_value 1 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .Enum = %Enum.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Enum.decl: type = class_decl @Enum [concrete = constants.%Enum] {} {}
// CHECK:STDOUT: %int_0: %Enum = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT: %int_1: %Enum = int_value 1 [concrete = constants.%int_1]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.ebf = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.ebf = var_pattern %a.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %Enum = var %a.var_patt
// CHECK:STDOUT: %Cpp.ref.loc12_21: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Enum.ref.loc12_24: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
// CHECK:STDOUT: %a.ref.loc12: %Enum = name_ref a, imports.%int_0 [concrete = constants.%int_0]
// CHECK:STDOUT: assign %a.var, %a.ref.loc12
// CHECK:STDOUT: %.loc12: type = splice_block %Enum.ref.loc12_13 [concrete = constants.%Enum] {
// CHECK:STDOUT: %Cpp.ref.loc12_10: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Enum.ref.loc12_13: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %Enum = ref_binding a, %a.var
// CHECK:STDOUT: %a.ref.loc14: ref %Enum = name_ref a, %a
// CHECK:STDOUT: %Cpp.ref.loc14: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %Enum.ref.loc14: type = name_ref Enum, imports.%Enum.decl [concrete = constants.%Enum]
// CHECK:STDOUT: %b.ref: %Enum = name_ref b, imports.%int_1 [concrete = constants.%int_1]
// CHECK:STDOUT: assign %a.ref.loc14, %b.ref
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: