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carbon-lang/toolchain/check/testdata/interface/fail_member_lookup.carbon
T
Richard Smith cefa0397bb More fixes to package and library fingerprinting. (#7297) 
Fix import logic to make all imported packages be children of the
`NameScopeId::Package` scope. Previously, indirectly-imported packages
would end up as children of their importing package's scope, which
resulted in them not being treated as packages at all, and in particular
not being fingerprinted as packages.

Fixing that caused a failure in the fingerprinting logic as we started
to encounter packages with no correspoding import scopes. Instead of
looking for import scopes, use a simpler mechanism to map packages to
their package names, and clean up.

Unfortunately the latter change churns all the fingerprints again :(
Hopefully this is the last time for a while.
2026-06-04 17:41:46 +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
// 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/interface/fail_member_lookup.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/fail_member_lookup.carbon
// --- fail_member_lookup.carbon
library "[[@TEST_NAME]]";
interface Interface {
fn F();
let T:! type;
}
fn F() {
// CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+4]]:3: error: value of type `<associated entity in Interface>` is not callable [CallToNonCallable]
// CHECK:STDERR: Interface.F();
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR:
Interface.F();
// CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+7]]:17: error: cannot implicitly convert non-type value of type `<associated entity in Interface>` to `type` [ConversionFailureNonTypeToFacet]
// CHECK:STDERR: var unused v: Interface.T;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+4]]:17: note: type `<associated entity in Interface>` does not implement interface `Core.ImplicitAs(type)` [MissingImplInMemberAccessInContext]
// CHECK:STDERR: var unused v: Interface.T;
// CHECK:STDERR: ^~~~~~~~~~~
// CHECK:STDERR:
var unused v: Interface.T;
}
interface Different {}
// CHECK:STDERR: fail_member_lookup.carbon:[[@LINE+4]]:24: error: cannot convert type `U` that implements `Different` into type implementing `Interface` [ConversionFailureFacetToFacet]
// CHECK:STDERR: fn G(U:! Different) -> U.(Interface.T);
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR:
fn G(U:! Different) -> U.(Interface.T);
// CHECK:STDOUT: --- fail_member_lookup.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Interface.type: type = facet_type <@Interface> [concrete]
// CHECK:STDOUT: %Self.3ce: %Interface.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.WithSelf.F.type: type = fn_type @Interface.WithSelf.F, @Interface.WithSelf(%Self.3ce) [symbolic]
// CHECK:STDOUT: %Interface.WithSelf.F: %Interface.WithSelf.F.type = struct_value () [symbolic]
// CHECK:STDOUT: %Interface.assoc_type: type = assoc_entity_type @Interface [concrete]
// CHECK:STDOUT: %assoc0.baa: %Interface.assoc_type = assoc_entity element0, @Interface.WithSelf.%Interface.WithSelf.F.decl [concrete]
// CHECK:STDOUT: %assoc1: %Interface.assoc_type = assoc_entity element1, @Interface.WithSelf.%T [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.type.0ff: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT: %ImplicitAs.generic: %ImplicitAs.type.0ff = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Different.type: type = facet_type <@Different> [concrete]
// CHECK:STDOUT: %Self.8ba: %Different.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %.Self: %type = symbolic_binding .Self [symbolic_self]
// CHECK:STDOUT: %pattern_type.776: type = pattern_type %Different.type [concrete]
// CHECK:STDOUT: %U: %Different.type = symbolic_binding U, 0 [symbolic]
// CHECK:STDOUT: %U.as_type: type = facet_access_type %U [symbolic]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.ImplicitAs: %ImplicitAs.type.0ff = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Interface = %Interface.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: .Different = %Different.decl
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Interface.decl: type = interface_decl @Interface [concrete = constants.%Interface.type] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: %Different.decl: type = interface_decl @Different [concrete = constants.%Different.type] {} {}
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {
// CHECK:STDOUT: %U.patt: %pattern_type.776 = symbolic_binding_pattern U, 0 [concrete]
// CHECK:STDOUT: %return.patt: <error> = return_slot_pattern <error>, <error> [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %U.ref: %Different.type = name_ref U, %U.loc32_7.2 [symbolic = %U.loc32_7.1 (constants.%U)]
// CHECK:STDOUT: %Interface.ref: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
// CHECK:STDOUT: %T.ref: %Interface.assoc_type = name_ref T, @T.%assoc1 [concrete = constants.%assoc1]
// CHECK:STDOUT: %U.as_type.loc32_25.2: type = facet_access_type %U.ref [symbolic = %U.as_type.loc32_25.1 (constants.%U.as_type)]
// CHECK:STDOUT: %.loc32: type = splice_block %Different.ref [concrete = constants.%Different.type] {
// CHECK:STDOUT: %.Self: %type = symbolic_binding .Self [symbolic_self = constants.%.Self]
// CHECK:STDOUT: %Different.ref: type = name_ref Different, file.%Different.decl [concrete = constants.%Different.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %U.loc32_7.2: %Different.type = symbolic_binding U, 0 [symbolic = %U.loc32_7.1 (constants.%U)]
// CHECK:STDOUT: %return: <error> = return_slot <error>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface {
// CHECK:STDOUT: %Self: %Interface.type = symbolic_binding Self, 0 [symbolic = constants.%Self.3ce]
// CHECK:STDOUT: %Interface.WithSelf.decl = interface_with_self_decl @Interface [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %Interface.WithSelf.F.decl: @Interface.WithSelf.%Interface.WithSelf.F.type (%Interface.WithSelf.F.type) = fn_decl @Interface.WithSelf.F [symbolic = @Interface.WithSelf.%Interface.WithSelf.F (constants.%Interface.WithSelf.F)] {} {}
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, %Interface.WithSelf.F.decl [concrete = constants.%assoc0.baa]
// CHECK:STDOUT: %T: type = assoc_const_decl @T [concrete] {
// CHECK:STDOUT: %assoc1: %Interface.assoc_type = assoc_entity element1, @Interface.WithSelf.%T [concrete = constants.%assoc1]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = @Interface.WithSelf.%assoc0
// CHECK:STDOUT: .T = @T.%assoc1
// CHECK:STDOUT: witness = (@Interface.WithSelf.%Interface.WithSelf.F.decl, @Interface.WithSelf.%T)
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Different {
// CHECK:STDOUT: %Self: %Different.type = symbolic_binding Self, 0 [symbolic = constants.%Self.8ba]
// CHECK:STDOUT: %Different.WithSelf.decl = interface_with_self_decl @Different [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Interface.WithSelf.F(@Interface.%Self: %Interface.type) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Interface.ref.loc14: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
// CHECK:STDOUT: %F.ref: %Interface.assoc_type = name_ref F, @Interface.WithSelf.%assoc0 [concrete = constants.%assoc0.baa]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v.patt: <error> = ref_binding_pattern v [concrete]
// CHECK:STDOUT: %v.var_patt: <error> = var_pattern %v.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v.var: ref <error> = var %v.var_patt [concrete = <error>]
// CHECK:STDOUT: assign %v.var, <error>
// CHECK:STDOUT: %.1: <error> = splice_block <error> [concrete = <error>] {
// CHECK:STDOUT: %Interface.ref.loc23: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
// CHECK:STDOUT: %T.ref: %Interface.assoc_type = name_ref T, @T.%assoc1 [concrete = constants.%assoc1]
// CHECK:STDOUT: %.loc23: type = converted %T.ref, <error> [concrete = <error>]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v: ref <error> = ref_binding v, <error> [concrete = <error>]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @G(%U.loc32_7.2: %Different.type) {
// CHECK:STDOUT: %U.loc32_7.1: %Different.type = symbolic_binding U, 0 [symbolic = %U.loc32_7.1 (constants.%U)]
// CHECK:STDOUT: %U.as_type.loc32_25.1: type = facet_access_type %U.loc32_7.1 [symbolic = %U.as_type.loc32_25.1 (constants.%U.as_type)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn() -> <error>;
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.WithSelf(constants.%Self.3ce) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Self => constants.%Self.3ce
// CHECK:STDOUT: %Interface.WithSelf.F.type => constants.%Interface.WithSelf.F.type
// CHECK:STDOUT: %Interface.WithSelf.F => constants.%Interface.WithSelf.F
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.WithSelf.F(constants.%Self.3ce) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Different.WithSelf(constants.%Self.8ba) {
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%U) {
// CHECK:STDOUT: %U.loc32_7.1 => constants.%U
// CHECK:STDOUT: %U.as_type.loc32_25.1 => constants.%U.as_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
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