// 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/parse/testdata/generics/interface/fail_associated_constants.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/parse/testdata/generics/interface/fail_associated_constants.carbon

// --- fail_tuple_pattern.carbon

library "[[@TEST_NAME]]";

interface I {
  // CHECK:STDERR: fail_tuple_pattern.carbon:[[@LINE+4]]:7: error: expected identifier in associated constant declaration [ExpectedAssociatedConstantIdentifier]
  // CHECK:STDERR:   let (T:! type, U:! type);
  // CHECK:STDERR:       ^
  // CHECK:STDERR:
  let (T:! type, U:! type);
}

// --- fail_tuple_pattern_with_default.carbon

library "[[@TEST_NAME]]";

interface I {
  // CHECK:STDERR: fail_tuple_pattern_with_default.carbon:[[@LINE+4]]:15: error: expected identifier in associated constant declaration [ExpectedAssociatedConstantIdentifier]
  // CHECK:STDERR:   default let (T:! type, U:! type) = ({}, {});
  // CHECK:STDERR:               ^
  // CHECK:STDERR:
  default let (T:! type, U:! type) = ({}, {});
}

// --- fail_var_pattern.carbon

library "[[@TEST_NAME]]";

interface I {
  // CHECK:STDERR: fail_var_pattern.carbon:[[@LINE+4]]:7: error: expected identifier in associated constant declaration [ExpectedAssociatedConstantIdentifier]
  // CHECK:STDERR:   let var T:! type;
  // CHECK:STDERR:       ^~~
  // CHECK:STDERR:
  let var T:! type;
}

// --- fail_var_pattern_with_default.carbon

library "[[@TEST_NAME]]";

interface I {
  // CHECK:STDERR: fail_var_pattern_with_default.carbon:[[@LINE+4]]:15: error: expected identifier in associated constant declaration [ExpectedAssociatedConstantIdentifier]
  // CHECK:STDERR:   default let var T:! type = {};
  // CHECK:STDERR:               ^~~
  // CHECK:STDERR:
  default let var T:! type = {};
}

// --- fail_not_constant.carbon

library "[[@TEST_NAME]]";

interface I {
  // CHECK:STDERR: fail_not_constant.carbon:[[@LINE+4]]:8: error: found runtime binding pattern in associated constant declaration; expected a `:!` binding [ExpectedAssociatedConstantColonExclaim]
  // CHECK:STDERR:   let a: {.b: ()};
  // CHECK:STDERR:        ^
  // CHECK:STDERR:
  let a: {.b: ()};
}

// --- fail_template.carbon

library "[[@TEST_NAME]]";

interface I {
  // CHECK:STDERR: fail_template.carbon:[[@LINE+4]]:7: error: expected identifier in associated constant declaration [ExpectedAssociatedConstantIdentifier]
  // CHECK:STDERR:   let template T:! type;
  // CHECK:STDERR:       ^~~~~~~~
  // CHECK:STDERR:
  let template T:! type;
}


// --- fail_underscore.carbon

library "[[@TEST_NAME]]";

interface I {
  // CHECK:STDERR: fail_underscore.carbon:[[@LINE+4]]:7: error: expected identifier in associated constant declaration [ExpectedAssociatedConstantIdentifier]
  // CHECK:STDERR:   let _:! {};
  // CHECK:STDERR:       ^
  // CHECK:STDERR:
  let _:! {};
}


// CHECK:STDOUT: - filename: fail_tuple_pattern.carbon
// CHECK:STDOUT:   parse_tree: [
// CHECK:STDOUT:     {kind: 'FileStart', text: ''},
// CHECK:STDOUT:       {kind: 'LibraryIntroducer', text: 'library'},
// CHECK:STDOUT:       {kind: 'LibraryName', text: '"tuple_pattern"'},
// CHECK:STDOUT:     {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT:         {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT:       {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT:       {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
// CHECK:STDOUT:     {kind: 'InterfaceDefinition', text: '}', subtree_size: 6},
// CHECK:STDOUT:     {kind: 'FileEnd', text: ''},
// CHECK:STDOUT:   ]
// CHECK:STDOUT: - filename: fail_tuple_pattern_with_default.carbon
// CHECK:STDOUT:   parse_tree: [
// CHECK:STDOUT:     {kind: 'FileStart', text: ''},
// CHECK:STDOUT:       {kind: 'LibraryIntroducer', text: 'library'},
// CHECK:STDOUT:       {kind: 'LibraryName', text: '"tuple_pattern_with_default"'},
// CHECK:STDOUT:     {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT:         {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT:       {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT:         {kind: 'DefaultModifier', text: 'default'},
// CHECK:STDOUT:       {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT:     {kind: 'InterfaceDefinition', text: '}', subtree_size: 7},
// CHECK:STDOUT:     {kind: 'FileEnd', text: ''},
// CHECK:STDOUT:   ]
// CHECK:STDOUT: - filename: fail_var_pattern.carbon
// CHECK:STDOUT:   parse_tree: [
// CHECK:STDOUT:     {kind: 'FileStart', text: ''},
// CHECK:STDOUT:       {kind: 'LibraryIntroducer', text: 'library'},
// CHECK:STDOUT:       {kind: 'LibraryName', text: '"var_pattern"'},
// CHECK:STDOUT:     {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT:         {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT:       {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT:       {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
// CHECK:STDOUT:     {kind: 'InterfaceDefinition', text: '}', subtree_size: 6},
// CHECK:STDOUT:     {kind: 'FileEnd', text: ''},
// CHECK:STDOUT:   ]
// CHECK:STDOUT: - filename: fail_var_pattern_with_default.carbon
// CHECK:STDOUT:   parse_tree: [
// CHECK:STDOUT:     {kind: 'FileStart', text: ''},
// CHECK:STDOUT:       {kind: 'LibraryIntroducer', text: 'library'},
// CHECK:STDOUT:       {kind: 'LibraryName', text: '"var_pattern_with_default"'},
// CHECK:STDOUT:     {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT:         {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT:       {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT:         {kind: 'DefaultModifier', text: 'default'},
// CHECK:STDOUT:       {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT:     {kind: 'InterfaceDefinition', text: '}', subtree_size: 7},
// CHECK:STDOUT:     {kind: 'FileEnd', text: ''},
// CHECK:STDOUT:   ]
// CHECK:STDOUT: - filename: fail_not_constant.carbon
// CHECK:STDOUT:   parse_tree: [
// CHECK:STDOUT:     {kind: 'FileStart', text: ''},
// CHECK:STDOUT:       {kind: 'LibraryIntroducer', text: 'library'},
// CHECK:STDOUT:       {kind: 'LibraryName', text: '"not_constant"'},
// CHECK:STDOUT:     {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT:         {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT:       {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT:       {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
// CHECK:STDOUT:     {kind: 'InterfaceDefinition', text: '}', subtree_size: 6},
// CHECK:STDOUT:     {kind: 'FileEnd', text: ''},
// CHECK:STDOUT:   ]
// CHECK:STDOUT: - filename: fail_template.carbon
// CHECK:STDOUT:   parse_tree: [
// CHECK:STDOUT:     {kind: 'FileStart', text: ''},
// CHECK:STDOUT:       {kind: 'LibraryIntroducer', text: 'library'},
// CHECK:STDOUT:       {kind: 'LibraryName', text: '"template"'},
// CHECK:STDOUT:     {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT:         {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT:       {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT:       {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
// CHECK:STDOUT:     {kind: 'InterfaceDefinition', text: '}', subtree_size: 6},
// CHECK:STDOUT:     {kind: 'FileEnd', text: ''},
// CHECK:STDOUT:   ]
// CHECK:STDOUT: - filename: fail_underscore.carbon
// CHECK:STDOUT:   parse_tree: [
// CHECK:STDOUT:     {kind: 'FileStart', text: ''},
// CHECK:STDOUT:       {kind: 'LibraryIntroducer', text: 'library'},
// CHECK:STDOUT:       {kind: 'LibraryName', text: '"underscore"'},
// CHECK:STDOUT:     {kind: 'LibraryDecl', text: ';', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'InterfaceIntroducer', text: 'interface'},
// CHECK:STDOUT:         {kind: 'IdentifierNameNotBeforeParams', text: 'I'},
// CHECK:STDOUT:       {kind: 'InterfaceDefinitionStart', text: '{', subtree_size: 3},
// CHECK:STDOUT:         {kind: 'AssociatedConstantIntroducer', text: 'let'},
// CHECK:STDOUT:       {kind: 'AssociatedConstantDecl', text: ';', has_error: yes, subtree_size: 2},
// CHECK:STDOUT:     {kind: 'InterfaceDefinition', text: '}', subtree_size: 6},
// CHECK:STDOUT:     {kind: 'FileEnd', text: ''},
// CHECK:STDOUT:   ]