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
//
// 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.
  // CHECK:STDERR:   C.F();
  // CHECK:STDERR:   ^~~
  // CHECK:STDERR:
  C.F();
  // CHECK:STDERR: fail_alias_impl_not_found.carbon:[[@LINE+3]]:3: ERROR: Cannot access member of interface I in type C that does not implement that interface.
  // CHECK:STDERR:   c.F();
  // CHECK:STDERR:   ^~~
  c.F();
}

// CHECK:STDOUT: --- fail_alias_impl_not_found.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %.1: type = interface_type @I [template]
// CHECK:STDOUT:   %Self: %.1 = bind_symbolic_name Self 0 [symbolic]
// CHECK:STDOUT:   %F.type.1: type = fn_type @F.1 [template]
// CHECK:STDOUT:   %.2: type = tuple_type () [template]
// CHECK:STDOUT:   %F.1: %F.type.1 = struct_value () [template]
// CHECK:STDOUT:   %.3: type = assoc_entity_type @I, %F.type.1 [template]
// CHECK:STDOUT:   %.4: %.3 = assoc_entity element0, @I.%F.decl [template]
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %.5: type = struct_type {} [template]
// CHECK:STDOUT:   %F.type.2: type = fn_type @F.2 [template]
// CHECK:STDOUT:   %F.2: %F.type.2 = struct_value () [template]
// CHECK:STDOUT:   %.6: type = ptr_type %.5 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = %Core
// CHECK:STDOUT:     .I = %I.decl
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT:   %I.decl: type = interface_decl @I [template = constants.%.1] {}
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {}
// CHECK:STDOUT:   %F.decl: %F.type.2 = fn_decl @F.2 [template = constants.%F.2] {
// CHECK:STDOUT:     %C.ref: type = name_ref C, %C.decl [template = constants.%C]
// CHECK:STDOUT:     %c.loc19_6.1: %C = param c
// CHECK:STDOUT:     @F.2.%c: %C = bind_name c, %c.loc19_6.1
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT:   %Self: %.1 = bind_symbolic_name Self 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %F.decl: %F.type.1 = fn_decl @F.1 [template = constants.%F.1] {}
// CHECK:STDOUT:   %.loc12: %.3 = assoc_entity element0, %F.decl [template = constants.%.4]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %.loc12
// CHECK:STDOUT:   witness = (%F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT:   %I.ref: type = name_ref I, file.%I.decl [template = constants.%.1]
// CHECK:STDOUT:   %F.ref: %.3 = name_ref F, @I.%.loc12 [template = constants.%.4]
// CHECK:STDOUT:   %F: %.3 = bind_alias F, @I.%.loc12 [template = constants.%.4]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT:   .F = %F
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.1()
// CHECK:STDOUT:     generic [@I.%Self: %.1];
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2(%c: %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:   %F.ref.loc24: %.3 = name_ref F, @C.%F [template = constants.%.4]
// CHECK:STDOUT:   %c.ref: %C = name_ref c, %c
// CHECK:STDOUT:   %F.ref.loc28: %.3 = name_ref F, @C.%F [template = constants.%.4]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: