carbon-lang/toolchain/check/testdata/impl/lookup/fail_alias_impl_not_found.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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/lookup/fail_alias_impl_not_found.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/lookup/fail_alias_impl_not_found.carbon

interface I {
  fn F();
}

class C {
  alias F = I.F;
}

fn F(c: C) {
  // CHECK:STDERR: fail_alias_impl_not_found.carbon:[[@LINE+4]]:3: error: cannot access member of interface `I` in type `C` that does not implement that interface [MissingImplInMemberAccess]
  // CHECK:STDERR:   C.F();
  // CHECK:STDERR:   ^~~
  // CHECK:STDERR:
  C.F();
  // CHECK:STDERR: fail_alias_impl_not_found.carbon:[[@LINE+4]]:3: error: cannot access member of interface `I` in type `C` that does not implement that interface [MissingImplInMemberAccess]
  // CHECK:STDERR:   c.F();
  // CHECK:STDERR:   ^~~
  // CHECK:STDERR:
  c.F();
}

// CHECK:STDOUT: --- fail_alias_impl_not_found.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %F.type.cf0: type = fn_type @F.loc16 [concrete]
// CHECK:STDOUT:   %F.bc6: %F.type.cf0 = struct_value () [concrete]
// CHECK:STDOUT:   %I.assoc_type: type = assoc_entity_type @I [concrete]
// CHECK:STDOUT:   %assoc0: %I.assoc_type = assoc_entity element0, @I.%F.decl [concrete]
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %C [concrete]
// CHECK:STDOUT:   %F.type.b25: type = fn_type @F.loc23 [concrete]
// CHECK:STDOUT:   %F.c41: %F.type.b25 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .I = %I.decl
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
// CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT:   %F.decl: %F.type.b25 = fn_decl @F.loc23 [concrete = constants.%F.c41] {
// CHECK:STDOUT:     %c.patt: %pattern_type = binding_pattern c [concrete]
// CHECK:STDOUT:     %c.param_patt: %pattern_type = value_param_pattern %c.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %c.param: %C = value_param call_param0
// CHECK:STDOUT:     %C.ref.loc23: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:     %c: %C = bind_name c, %c.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %F.decl: %F.type.cf0 = fn_decl @F.loc16 [concrete = constants.%F.bc6] {} {}
// CHECK:STDOUT:   %assoc0: %I.assoc_type = assoc_entity element0, %F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %assoc0
// CHECK:STDOUT:   witness = (%F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT:   %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
// CHECK:STDOUT:   %F.ref: %I.assoc_type = name_ref F, @I.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT:   %F: %I.assoc_type = bind_alias F, @I.%assoc0 [concrete = constants.%assoc0]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT:   .I = <poisoned>
// CHECK:STDOUT:   .F = %F
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.loc16(@I.%Self: %I.type) {
// CHECK:STDOUT:   fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.loc23(%c.param: %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %C.ref.loc28: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %F.ref.loc28: %I.assoc_type = name_ref F, @C.%F [concrete = constants.%assoc0]
// CHECK:STDOUT:   %c.ref: %C = name_ref c, %c
// CHECK:STDOUT:   %F.ref.loc33: %I.assoc_type = name_ref F, @C.%F [concrete = constants.%assoc0]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.loc16(constants.%Self) {}
// CHECK:STDOUT: