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carbon-lang/toolchain/check/testdata/class/adapter/adapt.carbon
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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/int.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/class/adapter/adapt.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/adapter/adapt.carbon
// --- basic.carbon
library "[[@TEST_NAME]]";
class SomeClass {
var a: i32;
var b: i32;
}
class SomeClassAdapter {
adapt SomeClass;
}
class StructAdapter {
adapt {.a: i32, .b: i32};
}
// --- fail_not_extend.carbon
library "[[@TEST_NAME]]";
class Adapted {
fn F();
}
class AdaptNotExtend {
adapt Adapted;
}
fn F(a: AdaptNotExtend) {
// `Adapted` is not extended, so lookup for `F` finds nothing.
// CHECK:STDERR: fail_not_extend.carbon:[[@LINE+4]]:3: error: member name `F` not found in `AdaptNotExtend` [MemberNameNotFoundInInstScope]
// CHECK:STDERR: a.F();
// CHECK:STDERR: ^~~
// CHECK:STDERR:
a.F();
}
// --- fail_misplaced.carbon
library "[[@TEST_NAME]]";
fn F() {
// CHECK:STDERR: fail_misplaced.carbon:[[@LINE+4]]:3: error: `adapt` declaration outside class [ClassSpecificDeclOutsideClass]
// CHECK:STDERR: adapt i32;
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
adapt i32;
}
interface I {
// CHECK:STDERR: fail_misplaced.carbon:[[@LINE+4]]:3: error: `adapt` declaration outside class [ClassSpecificDeclOutsideClass]
// CHECK:STDERR: adapt i32;
// CHECK:STDERR: ^~~~~~~~~~
// CHECK:STDERR:
adapt i32;
}
// CHECK:STDOUT: --- basic.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %SomeClass: type = class_type @SomeClass [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %SomeClass.elem: type = unbound_element_type %SomeClass, %i32 [concrete]
// CHECK:STDOUT: %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete]
// CHECK:STDOUT: %complete_type.7b9: <witness> = complete_type_witness %struct_type.a.b [concrete]
// CHECK:STDOUT: %SomeClassAdapter: type = class_type @SomeClassAdapter [concrete]
// CHECK:STDOUT: %StructAdapter: type = class_type @StructAdapter [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .SomeClass = %SomeClass.decl
// CHECK:STDOUT: .SomeClassAdapter = %SomeClassAdapter.decl
// CHECK:STDOUT: .StructAdapter = %StructAdapter.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %SomeClass.decl: type = class_decl @SomeClass [concrete = constants.%SomeClass] {} {}
// CHECK:STDOUT: %SomeClassAdapter.decl: type = class_decl @SomeClassAdapter [concrete = constants.%SomeClassAdapter] {} {}
// CHECK:STDOUT: %StructAdapter.decl: type = class_decl @StructAdapter [concrete = constants.%StructAdapter] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @SomeClass {
// CHECK:STDOUT: %.loc5: %SomeClass.elem = field_decl a, element0 [concrete]
// CHECK:STDOUT: %.loc6: %SomeClass.elem = field_decl b, element1 [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.a.b [concrete = constants.%complete_type.7b9]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%SomeClass
// CHECK:STDOUT: .a = %.loc5
// CHECK:STDOUT: .b = %.loc6
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @SomeClassAdapter {
// CHECK:STDOUT: %SomeClass.ref: type = name_ref SomeClass, file.%SomeClass.decl [concrete = constants.%SomeClass]
// CHECK:STDOUT: adapt_decl %SomeClass.ref [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.a.b [concrete = constants.%complete_type.7b9]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%SomeClassAdapter
// CHECK:STDOUT: .SomeClass = <poisoned>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @StructAdapter {
// CHECK:STDOUT: %i32.loc14_14: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %i32.loc14_23: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete = constants.%struct_type.a.b]
// CHECK:STDOUT: adapt_decl %struct_type.a.b [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.a.b [concrete = constants.%complete_type.7b9]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%StructAdapter
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_not_extend.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Adapted: type = class_type @Adapted [concrete]
// CHECK:STDOUT: %Adapted.F.type: type = fn_type @Adapted.F [concrete]
// CHECK:STDOUT: %Adapted.F: %Adapted.F.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %AdaptNotExtend: type = class_type @AdaptNotExtend [concrete]
// CHECK:STDOUT: %pattern_type: type = pattern_type %AdaptNotExtend [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Adapted = %Adapted.decl
// CHECK:STDOUT: .AdaptNotExtend = %AdaptNotExtend.decl
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Adapted.decl: type = class_decl @Adapted [concrete = constants.%Adapted] {} {}
// CHECK:STDOUT: %AdaptNotExtend.decl: type = class_decl @AdaptNotExtend [concrete = constants.%AdaptNotExtend] {} {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %a.param_patt: %pattern_type = value_param_pattern [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type = at_binding_pattern a, %a.param_patt [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %a.param: %AdaptNotExtend = value_param call_param0
// CHECK:STDOUT: %AdaptNotExtend.ref: type = name_ref AdaptNotExtend, file.%AdaptNotExtend.decl [concrete = constants.%AdaptNotExtend]
// CHECK:STDOUT: %a: %AdaptNotExtend = value_binding a, %a.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Adapted {
// CHECK:STDOUT: %Adapted.F.decl: %Adapted.F.type = fn_decl @Adapted.F [concrete = constants.%Adapted.F] {} {}
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Adapted
// CHECK:STDOUT: .F = %Adapted.F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @AdaptNotExtend {
// CHECK:STDOUT: %Adapted.ref: type = name_ref Adapted, file.%Adapted.decl [concrete = constants.%Adapted]
// CHECK:STDOUT: adapt_decl %Adapted.ref [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%AdaptNotExtend
// CHECK:STDOUT: .Adapted = <poisoned>
// CHECK:STDOUT: .F = <poisoned>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Adapted.F();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%a.param: %AdaptNotExtend) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: %AdaptNotExtend = name_ref a, %a
// CHECK:STDOUT: %F.ref: <error> = name_ref F, <error> [concrete = <error>]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_misplaced.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: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: .I = %I.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT: %I.WithSelf.decl = interface_with_self_decl @I [concrete]
// CHECK:STDOUT:
// CHECK:STDOUT: !with Self:
// CHECK:STDOUT: %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT:
// CHECK:STDOUT: !requires:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %i32: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {}
// CHECK:STDOUT:
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