// 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/alias/no_prelude/export_name.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/alias/no_prelude/export_name.carbon

// ============================================================================
// Setup files
// ============================================================================

// --- base.carbon

library "[[@TEST_NAME]]";

class C {}
alias D = C;

// --- export.carbon

library "[[@TEST_NAME]]";

import library "base";

export D;

// --- export_orig.carbon

library "[[@TEST_NAME]]";

import library "base";

export C;

// ============================================================================
// Test files
// ============================================================================

// --- use_export.carbon

library "[[@TEST_NAME]]";

import library "export";

var d: D = {};

// --- fail_orig_name_not_in_export.carbon

library "[[@TEST_NAME]]";

import library "export";

// CHECK:STDERR: fail_orig_name_not_in_export.carbon:[[@LINE+4]]:8: error: name `C` not found [NameNotFound]
// CHECK:STDERR: var c: C = {};
// CHECK:STDERR:        ^
// CHECK:STDERR:
var c: C = {};

// --- indirect_compat.carbon

library "[[@TEST_NAME]]";

import library "export";
import library "export_orig";

var c: C = {};
var d: D* = &c;

// CHECK:STDOUT: --- base.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .D = %D
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {} {}
// CHECK:STDOUT:   %C.ref: type = name_ref C, %C.decl [template = constants.%C]
// CHECK:STDOUT:   %D: type = bind_alias D, %C.decl [template = constants.%C]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template = constants.%complete_type]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- export.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.C = import_ref Main//base, C, unloaded
// CHECK:STDOUT:   %Main.D: type = import_ref Main//base, D, loaded [template = constants.%C]
// CHECK:STDOUT:   %Main.import_ref.8f2: <witness> = import_ref Main//base, loc4_10, loaded [template = constants.%complete_type]
// CHECK:STDOUT:   %Main.import_ref.2c4 = import_ref Main//base, inst14 [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = imports.%Main.C
// CHECK:STDOUT:     .D = %D
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %default.import = import <none>
// CHECK:STDOUT:   %D: type = export D, imports.%Main.D [template = constants.%C]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "base.carbon"] {
// CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = imports.%Main.import_ref.2c4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- export_orig.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.C: type = import_ref Main//base, C, loaded [template = constants.%C]
// CHECK:STDOUT:   %Main.D = import_ref Main//base, D, unloaded
// CHECK:STDOUT:   %Main.import_ref.8f2: <witness> = import_ref Main//base, loc4_10, loaded [template = constants.%complete_type]
// CHECK:STDOUT:   %Main.import_ref.2c4 = import_ref Main//base, inst14 [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C
// CHECK:STDOUT:     .D = imports.%Main.D
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %default.import = import <none>
// CHECK:STDOUT:   %C: type = export C, imports.%Main.C [template = constants.%C]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "base.carbon"] {
// CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = imports.%Main.import_ref.2c4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- use_export.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
// CHECK:STDOUT:   %C.val: %C = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.D: type = import_ref Main//export, D, loaded [template = constants.%C]
// CHECK:STDOUT:   %Main.import_ref.8db: <witness> = import_ref Main//export, inst20 [indirect], loaded [template = constants.%complete_type]
// CHECK:STDOUT:   %Main.import_ref.6a9 = import_ref Main//export, inst21 [indirect], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .D = imports.%Main.D
// CHECK:STDOUT:     .d = %d
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %default.import = import <none>
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %d.patt: %C = binding_pattern d
// CHECK:STDOUT:     %.loc6: %C = var_pattern %d.patt
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %d.var: ref %C = var d
// CHECK:STDOUT:   %D.ref: type = name_ref D, imports.%Main.D [template = constants.%C]
// CHECK:STDOUT:   %d: ref %C = bind_name d, %d.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "export.carbon"] {
// CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.8db
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = imports.%Main.import_ref.6a9
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc6_13.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:   %.loc6_13.2: init %C = class_init (), file.%d.var [template = constants.%C.val]
// CHECK:STDOUT:   %.loc6_1: init %C = converted %.loc6_13.1, %.loc6_13.2 [template = constants.%C.val]
// CHECK:STDOUT:   assign file.%d.var, %.loc6_1
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_orig_name_not_in_export.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.D = import_ref Main//export, D, unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .D = imports.%Main.D
// CHECK:STDOUT:     .c = %c
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %default.import = import <none>
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %c.patt: <error> = binding_pattern c
// CHECK:STDOUT:     %.loc10: <error> = var_pattern %c.patt
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %c.var: ref <error> = var c
// CHECK:STDOUT:   %C.ref: <error> = name_ref C, <error> [template = <error>]
// CHECK:STDOUT:   %c: <error> = bind_name c, <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc10: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:   assign file.%c.var, <error>
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- indirect_compat.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
// CHECK:STDOUT:   %C.val: %C = struct_value () [template]
// CHECK:STDOUT:   %ptr.019: type = ptr_type %C [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Main.D: type = import_ref Main//export, D, loaded [template = constants.%C]
// CHECK:STDOUT:   %Main.C: type = import_ref Main//export_orig, C, loaded [template = constants.%C]
// CHECK:STDOUT:   %Main.import_ref.8db: <witness> = import_ref Main//export_orig, inst20 [indirect], loaded [template = constants.%complete_type]
// CHECK:STDOUT:   %Main.import_ref.6a9 = import_ref Main//export_orig, inst21 [indirect], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .D = imports.%Main.D
// CHECK:STDOUT:     .C = imports.%Main.C
// CHECK:STDOUT:     .c = %c
// CHECK:STDOUT:     .d = %d
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %default.import = import <none>
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %c.patt: %C = binding_pattern c
// CHECK:STDOUT:     %.loc7: %C = var_pattern %c.patt
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %c.var: ref %C = var c
// CHECK:STDOUT:   %C.ref: type = name_ref C, imports.%Main.C [template = constants.%C]
// CHECK:STDOUT:   %c: ref %C = bind_name c, %c.var
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %d.patt: %ptr.019 = binding_pattern d
// CHECK:STDOUT:     %.loc8_1: %ptr.019 = var_pattern %d.patt
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %d.var: ref %ptr.019 = var d
// CHECK:STDOUT:   %.loc8_9: type = splice_block %ptr [template = constants.%ptr.019] {
// CHECK:STDOUT:     %D.ref: type = name_ref D, imports.%Main.D [template = constants.%C]
// CHECK:STDOUT:     %ptr: type = ptr_type %C [template = constants.%ptr.019]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %d: ref %ptr.019 = bind_name d, %d.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "export_orig.carbon"] {
// CHECK:STDOUT:   complete_type_witness = imports.%Main.import_ref.8db
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = imports.%Main.import_ref.6a9
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc7_13.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:   %.loc7_13.2: init %C = class_init (), file.%c.var [template = constants.%C.val]
// CHECK:STDOUT:   %.loc7_1: init %C = converted %.loc7_13.1, %.loc7_13.2 [template = constants.%C.val]
// CHECK:STDOUT:   assign file.%c.var, %.loc7_1
// CHECK:STDOUT:   %c.ref: ref %C = name_ref c, file.%c
// CHECK:STDOUT:   %addr: %ptr.019 = addr_of %c.ref
// CHECK:STDOUT:   assign file.%d.var, %addr
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: