// 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
//
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/index/fail_invalid_base.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/index/fail_invalid_base.carbon

namespace N;
// CHECK:STDERR: fail_invalid_base.carbon:[[@LINE+4]]:14: error: expression cannot be used as a value [UseOfNonExprAsValue]
// CHECK:STDERR: var a: i32 = N[0];
// CHECK:STDERR:              ^
// CHECK:STDERR:
var a: i32 = N[0];

fn F();
// CHECK:STDERR: fail_invalid_base.carbon:[[@LINE+4]]:14: error: expression cannot be used as a value [UseOfNonExprAsValue]
// CHECK:STDERR: var b: i32 = F[1];
// CHECK:STDERR:              ^
// CHECK:STDERR:
var b: i32 = F[1];

// CHECK:STDERR: fail_invalid_base.carbon:[[@LINE+4]]:14: error: cannot access member of interface `Core.IndexWith(Core.IntLiteral)` in type `{.a: Core.IntLiteral, .b: Core.IntLiteral}` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: var c: i32 = {.a = 1, .b = 2}[0];
// CHECK:STDERR:              ^~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var c: i32 = {.a = 1, .b = 2}[0];

// CHECK:STDERR: fail_invalid_base.carbon:[[@LINE+4]]:14: error: cannot access member of interface `Core.IndexWith(Core.IntLiteral)` in type `type` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: var d: i32 = {.a: i32, .b: i32}[0];
// CHECK:STDERR:              ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var d: i32 = {.a: i32, .b: i32}[0];

// CHECK:STDOUT: --- fail_invalid_base.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// 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:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT:   %struct_type.a.b.cfd: type = struct_type {.a: Core.IntLiteral, .b: Core.IntLiteral} [concrete]
// CHECK:STDOUT:   %struct: %struct_type.a.b.cfd = struct_value (%int_1, %int_2) [concrete]
// CHECK:STDOUT:   %IndexWith.type.504: type = generic_interface_type @IndexWith [concrete]
// CHECK:STDOUT:   %IndexWith.generic: %IndexWith.type.504 = struct_value () [concrete]
// CHECK:STDOUT:   %struct_type.a.b.501: type = struct_type {.a: %i32, .b: %i32} [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .IndexWith = %Core.IndexWith
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT:   %Core.IndexWith: %IndexWith.type.504 = import_ref Core//prelude/operators/index, IndexWith, loaded [concrete = constants.%IndexWith.generic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .N = %N
// CHECK:STDOUT:     .a = %a
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:     .b = %b
// CHECK:STDOUT:     .c = %c
// CHECK:STDOUT:     .d = %d
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %N: <namespace> = namespace [concrete] {}
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %a.patt: %pattern_type.7ce = ref_binding_pattern a [concrete]
// CHECK:STDOUT:     %a.var_patt: %pattern_type.7ce = var_pattern %a.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %a.var: ref %i32 = var %a.var_patt [concrete]
// CHECK:STDOUT:   %.loc21: type = splice_block %i32.loc21 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32.loc21: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32.loc21: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %a: ref %i32 = ref_binding a, %a.var [concrete = %a.var]
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %b.patt: %pattern_type.7ce = ref_binding_pattern b [concrete]
// CHECK:STDOUT:     %b.var_patt: %pattern_type.7ce = var_pattern %b.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %b.var: ref %i32 = var %b.var_patt [concrete]
// CHECK:STDOUT:   %.loc28: type = splice_block %i32.loc28 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32.loc28: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32.loc28: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %b: ref %i32 = ref_binding b, %b.var [concrete = %b.var]
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %c.patt: %pattern_type.7ce = ref_binding_pattern c [concrete]
// CHECK:STDOUT:     %c.var_patt: %pattern_type.7ce = var_pattern %c.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %c.var: ref %i32 = var %c.var_patt [concrete]
// CHECK:STDOUT:   %.loc34: type = splice_block %i32.loc34 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32.loc34: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32.loc34: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %c: ref %i32 = ref_binding c, %c.var [concrete = %c.var]
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %d.patt: %pattern_type.7ce = ref_binding_pattern d [concrete]
// CHECK:STDOUT:     %d.var_patt: %pattern_type.7ce = var_pattern %d.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %d.var: ref %i32 = var %d.var_patt [concrete]
// CHECK:STDOUT:   %.loc40: type = splice_block %i32.loc40 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32.loc40: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32.loc40: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %d: ref %i32 = ref_binding d, %d.var [concrete = %d.var]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %N.ref: <namespace> = name_ref N, file.%N [concrete = file.%N]
// CHECK:STDOUT:   %int_0.loc21: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT:   assign file.%a.var, <error>
// CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT:   %int_1.loc28: Core.IntLiteral = int_value 1 [concrete = constants.%int_1]
// CHECK:STDOUT:   assign file.%b.var, <error>
// CHECK:STDOUT:   %int_1.loc34: Core.IntLiteral = int_value 1 [concrete = constants.%int_1]
// CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2]
// CHECK:STDOUT:   %.loc34_29.1: %struct_type.a.b.cfd = struct_literal (%int_1.loc34, %int_2) [concrete = constants.%struct]
// CHECK:STDOUT:   %int_0.loc34: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT:   %struct: %struct_type.a.b.cfd = struct_value (%int_1.loc34, %int_2) [concrete = constants.%struct]
// CHECK:STDOUT:   %.loc34_29.2: %struct_type.a.b.cfd = converted %.loc34_29.1, %struct [concrete = constants.%struct]
// CHECK:STDOUT:   assign file.%c.var, <error>
// CHECK:STDOUT:   %int_32.loc40_19: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32.loc40_19: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %int_32.loc40_28: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:   %i32.loc40_28: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete = constants.%struct_type.a.b.501]
// CHECK:STDOUT:   %int_0.loc40: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT:   assign file.%d.var, <error>
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: