{"version":3,"file":"testing.mjs","sources":["../../../../../../../src/material/legacy-list/testing/list-item-harness-base.ts","../../../../../../../src/material/legacy-list/testing/list-harness-base.ts","../../../../../../../src/material/legacy-list/testing/action-list-harness.ts","../../../../../../../src/material/legacy-list/testing/list-harness.ts","../../../../../../../src/material/legacy-list/testing/nav-list-harness.ts","../../../../../../../src/material/legacy-list/testing/selection-list-harness.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {\n  ComponentHarness,\n  ComponentHarnessConstructor,\n  HarnessPredicate,\n  ContentContainerComponentHarness,\n  parallel,\n} from '@angular/cdk/testing';\nimport {\n  LegacyBaseListItemHarnessFilters,\n  LegacySubheaderHarnessFilters,\n} from './list-harness-filters';\n\nconst iconSelector = '.mat-list-icon';\nconst avatarSelector = '.mat-list-avatar';\n\n/**\n * Gets a `HarnessPredicate` that applies the given `BaseListItemHarnessFilters` to the given\n * list item harness.\n * @template H The type of list item harness to create a predicate for.\n * @param harnessType A constructor for a list item harness.\n * @param options An instance of `BaseListItemHarnessFilters` to apply.\n * @return A `HarnessPredicate` for the given harness type with the given options applied.\n * @deprecated Use `getListItemPredicate` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport function getListItemPredicate<H extends MatLegacyListItemHarnessBase>(\n  harnessType: ComponentHarnessConstructor<H>,\n  options: LegacyBaseListItemHarnessFilters,\n): HarnessPredicate<H> {\n  return new HarnessPredicate(harnessType, options).addOption(\n    'text',\n    options.text,\n    (harness, text) => HarnessPredicate.stringMatches(harness.getText(), text),\n  );\n}\n\n/**\n * Harness for interacting with a list subheader.\n * @deprecated Use `MatSubheaderHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacySubheaderHarness extends ComponentHarness {\n  static hostSelector = '.mat-subheader';\n\n  static with(\n    options: LegacySubheaderHarnessFilters = {},\n  ): HarnessPredicate<MatLegacySubheaderHarness> {\n    return new HarnessPredicate(MatLegacySubheaderHarness, options).addOption(\n      'text',\n      options.text,\n      (harness, text) => HarnessPredicate.stringMatches(harness.getText(), text),\n    );\n  }\n\n  /** Gets the full text content of the list item (including text from any font icons). */\n  async getText(): Promise<string> {\n    return (await this.host()).text();\n  }\n}\n\n/**\n * Selectors for the various list item sections that may contain user content.\n * @deprecated Use `enum` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport const enum MatLegacyListItemSection {\n  CONTENT = '.mat-list-item-content',\n  // TODO(mmalerba): consider adding sections for leading/trailing icons.\n}\n\n/**\n * Shared behavior among the harnesses for the various `MatListItem` flavors.\n * @docs-private\n * @deprecated Use `class` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport abstract class MatLegacyListItemHarnessBase extends ContentContainerComponentHarness<MatLegacyListItemSection> {\n  private _lines = this.locatorForAll('.mat-line');\n  private _avatar = this.locatorForOptional(avatarSelector);\n  private _icon = this.locatorForOptional(iconSelector);\n\n  /** Gets the full text content of the list item. */\n  async getText(): Promise<string> {\n    return (await this.host()).text({exclude: `${iconSelector}, ${avatarSelector}`});\n  }\n\n  /** Gets the lines of text (`mat-line` elements) in this nav list item. */\n  async getLinesText(): Promise<string[]> {\n    const lines = await this._lines();\n    return parallel(() => lines.map(l => l.text()));\n  }\n\n  /** Whether this list item has an avatar. */\n  async hasAvatar(): Promise<boolean> {\n    return !!(await this._avatar());\n  }\n\n  /** Whether this list item has an icon. */\n  async hasIcon(): Promise<boolean> {\n    return !!(await this._icon());\n  }\n\n  /** Whether this list option is disabled. */\n  async isDisabled(): Promise<boolean> {\n    return (await this.host()).hasClass('mat-list-item-disabled');\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {\n  ComponentHarness,\n  ComponentHarnessConstructor,\n  HarnessPredicate,\n  parallel,\n} from '@angular/cdk/testing';\nimport {DividerHarnessFilters, MatDividerHarness} from '@angular/material/divider/testing';\nimport {\n  LegacyBaseListItemHarnessFilters,\n  LegacySubheaderHarnessFilters,\n} from './list-harness-filters';\nimport {MatLegacySubheaderHarness} from './list-item-harness-base';\n\n/**\n * Represents a section of a list falling under a specific header.\n * @deprecated Use `ListSection` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport interface ListSection<I> {\n  /** The heading for this list section. `undefined` if there is no heading. */\n  heading?: string;\n\n  /** The items in this list section. */\n  items: I[];\n}\n\n/**\n * Shared behavior among the harnesses for the various `MatList` flavors.\n * @template T A constructor type for a list item harness type used by this list harness.\n * @template C The list item harness type that `T` constructs.\n * @template F The filter type used filter list item harness of type `C`.\n * @docs-private\n * @deprecated Use `class` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport abstract class MatLegacyListHarnessBase<\n  T extends ComponentHarnessConstructor<C> & {with: (options?: F) => HarnessPredicate<C>},\n  C extends ComponentHarness,\n  F extends LegacyBaseListItemHarnessFilters,\n> extends ComponentHarness {\n  protected _itemHarness: T;\n\n  /**\n   * Gets a list of harnesses representing the items in this list.\n   * @param filters Optional filters used to narrow which harnesses are included\n   * @return The list of items matching the given filters.\n   */\n  async getItems(filters?: F): Promise<C[]> {\n    return this.locatorForAll(this._itemHarness.with(filters))();\n  }\n\n  /**\n   * Gets a list of `ListSection` representing the list items grouped by subheaders. If the list has\n   * no subheaders it is represented as a single `ListSection` with an undefined `heading` property.\n   * @param filters Optional filters used to narrow which list item harnesses are included\n   * @return The list of items matching the given filters, grouped into sections by subheader.\n   */\n  async getItemsGroupedBySubheader(filters?: F): Promise<ListSection<C>[]> {\n    type Section = {items: C[]; heading?: Promise<string>};\n    const listSections: Section[] = [];\n    let currentSection: Section = {items: []};\n    const itemsAndSubheaders = await this.getItemsWithSubheadersAndDividers({\n      item: filters,\n      divider: false,\n    });\n    for (const itemOrSubheader of itemsAndSubheaders) {\n      if (itemOrSubheader instanceof MatLegacySubheaderHarness) {\n        if (currentSection.heading !== undefined || currentSection.items.length) {\n          listSections.push(currentSection);\n        }\n        currentSection = {heading: itemOrSubheader.getText(), items: []};\n      } else {\n        currentSection.items.push(itemOrSubheader);\n      }\n    }\n    if (\n      currentSection.heading !== undefined ||\n      currentSection.items.length ||\n      !listSections.length\n    ) {\n      listSections.push(currentSection);\n    }\n\n    // Concurrently wait for all sections to resolve their heading if present.\n    return parallel(() =>\n      listSections.map(async s => ({items: s.items, heading: await s.heading})),\n    );\n  }\n\n  /**\n   * Gets a list of sub-lists representing the list items grouped by dividers. If the list has no\n   * dividers it is represented as a list with a single sub-list.\n   * @param filters Optional filters used to narrow which list item harnesses are included\n   * @return The list of items matching the given filters, grouped into sub-lists by divider.\n   */\n  async getItemsGroupedByDividers(filters?: F): Promise<C[][]> {\n    const listSections: C[][] = [[]];\n    const itemsAndDividers = await this.getItemsWithSubheadersAndDividers({\n      item: filters,\n      subheader: false,\n    });\n    for (const itemOrDivider of itemsAndDividers) {\n      if (itemOrDivider instanceof MatDividerHarness) {\n        listSections.push([]);\n      } else {\n        listSections[listSections.length - 1].push(itemOrDivider);\n      }\n    }\n    return listSections;\n  }\n\n  /**\n   * Gets a list of harnesses representing all of the items, subheaders, and dividers\n   * (in the order they appear in the list). Use `instanceof` to check which type of harness a given\n   * item is.\n   * @param filters Optional filters used to narrow which list items, subheaders, and dividers are\n   *     included. A value of `false` for the `item`, `subheader`, or `divider` properties indicates\n   *     that the respective harness type should be omitted completely.\n   * @return The list of harnesses representing the items, subheaders, and dividers matching the\n   *     given filters.\n   */\n  getItemsWithSubheadersAndDividers(filters: {\n    item: false;\n    subheader: false;\n    divider: false;\n  }): Promise<[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item?: F | false;\n    subheader: false;\n    divider: false;\n  }): Promise<C[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item: false;\n    subheader?: LegacySubheaderHarnessFilters | false;\n    divider: false;\n  }): Promise<MatLegacySubheaderHarness[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item: false;\n    subheader: false;\n    divider?: DividerHarnessFilters | false;\n  }): Promise<MatDividerHarness[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item?: F | false;\n    subheader?: LegacySubheaderHarnessFilters | false;\n    divider: false;\n  }): Promise<(C | MatLegacySubheaderHarness)[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item?: F | false;\n    subheader: false;\n    divider?: false | DividerHarnessFilters;\n  }): Promise<(C | MatDividerHarness)[]>;\n  getItemsWithSubheadersAndDividers(filters: {\n    item: false;\n    subheader?: false | LegacySubheaderHarnessFilters;\n    divider?: false | DividerHarnessFilters;\n  }): Promise<(MatLegacySubheaderHarness | MatDividerHarness)[]>;\n  getItemsWithSubheadersAndDividers(filters?: {\n    item?: F | false;\n    subheader?: LegacySubheaderHarnessFilters | false;\n    divider?: DividerHarnessFilters | false;\n  }): Promise<(C | MatLegacySubheaderHarness | MatDividerHarness)[]>;\n  async getItemsWithSubheadersAndDividers(\n    filters: {\n      item?: F | false;\n      subheader?: LegacySubheaderHarnessFilters | false;\n      divider?: DividerHarnessFilters | false;\n    } = {},\n  ): Promise<(C | MatLegacySubheaderHarness | MatDividerHarness)[]> {\n    const query = [];\n    if (filters.item !== false) {\n      query.push(this._itemHarness.with(filters.item || ({} as F)));\n    }\n    if (filters.subheader !== false) {\n      query.push(MatLegacySubheaderHarness.with(filters.subheader));\n    }\n    if (filters.divider !== false) {\n      query.push(MatDividerHarness.with(filters.divider));\n    }\n    return this.locatorForAll(...query)();\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {HarnessPredicate} from '@angular/cdk/testing';\nimport {MatLegacyListHarnessBase} from './list-harness-base';\nimport {\n  LegacyActionListHarnessFilters,\n  LegacyActionListItemHarnessFilters,\n} from './list-harness-filters';\nimport {getListItemPredicate, MatLegacyListItemHarnessBase} from './list-item-harness-base';\n\n/**\n * Harness for interacting with a standard mat-action-list in tests.\n * @deprecated Use `MatActionListHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacyActionListHarness extends MatLegacyListHarnessBase<\n  typeof MatLegacyActionListItemHarness,\n  MatLegacyActionListItemHarness,\n  LegacyActionListItemHarnessFilters\n> {\n  /** The selector for the host element of a `MatActionList` instance. */\n  static hostSelector = 'mat-action-list.mat-list';\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatActionListHarness` that meets\n   * certain criteria.\n   * @param options Options for filtering which action list instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(\n    options: LegacyActionListHarnessFilters = {},\n  ): HarnessPredicate<MatLegacyActionListHarness> {\n    return new HarnessPredicate(MatLegacyActionListHarness, options);\n  }\n\n  override _itemHarness = MatLegacyActionListItemHarness;\n}\n\n/**\n * Harness for interacting with an action list item.\n * @deprecated Use `MatActionListItemHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacyActionListItemHarness extends MatLegacyListItemHarnessBase {\n  /** The selector for the host element of a `MatListItem` instance. */\n  static hostSelector = `${MatLegacyActionListHarness.hostSelector} .mat-list-item`;\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatActionListItemHarness` that\n   * meets certain criteria.\n   * @param options Options for filtering which action list item instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(\n    options: LegacyActionListItemHarnessFilters = {},\n  ): HarnessPredicate<MatLegacyActionListItemHarness> {\n    return getListItemPredicate(MatLegacyActionListItemHarness, options);\n  }\n\n  /** Clicks on the action list item. */\n  async click(): Promise<void> {\n    return (await this.host()).click();\n  }\n\n  /** Focuses the action list item. */\n  async focus(): Promise<void> {\n    return (await this.host()).focus();\n  }\n\n  /** Blurs the action list item. */\n  async blur(): Promise<void> {\n    return (await this.host()).blur();\n  }\n\n  /** Whether the action list item is focused. */\n  async isFocused(): Promise<boolean> {\n    return (await this.host()).isFocused();\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {HarnessPredicate} from '@angular/cdk/testing';\nimport {MatLegacyListHarnessBase} from './list-harness-base';\nimport {LegacyListHarnessFilters, LegacyListItemHarnessFilters} from './list-harness-filters';\nimport {getListItemPredicate, MatLegacyListItemHarnessBase} from './list-item-harness-base';\n\n/**\n * Harness for interacting with a standard mat-list in tests.\n * @deprecated Use `MatListHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacyListHarness extends MatLegacyListHarnessBase<\n  typeof MatLegacyListItemHarness,\n  MatLegacyListItemHarness,\n  LegacyListItemHarnessFilters\n> {\n  /** The selector for the host element of a `MatList` instance. */\n  static hostSelector = '.mat-list:not(mat-action-list)';\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatListHarness` that meets certain\n   * criteria.\n   * @param options Options for filtering which list instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(options: LegacyListHarnessFilters = {}): HarnessPredicate<MatLegacyListHarness> {\n    return new HarnessPredicate(MatLegacyListHarness, options);\n  }\n\n  override _itemHarness = MatLegacyListItemHarness;\n}\n\n/**\n * Harness for interacting with a list item.\n * @deprecated Use `MatListItemHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacyListItemHarness extends MatLegacyListItemHarnessBase {\n  /** The selector for the host element of a `MatListItem` instance. */\n  static hostSelector = `${MatLegacyListHarness.hostSelector} .mat-list-item`;\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatListItemHarness` that meets\n   * certain criteria.\n   * @param options Options for filtering which list item instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(\n    options: LegacyListItemHarnessFilters = {},\n  ): HarnessPredicate<MatLegacyListItemHarness> {\n    return getListItemPredicate(MatLegacyListItemHarness, options);\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {HarnessPredicate} from '@angular/cdk/testing';\nimport {MatLegacyListHarnessBase} from './list-harness-base';\nimport {LegacyNavListHarnessFilters, LegacyNavListItemHarnessFilters} from './list-harness-filters';\nimport {getListItemPredicate, MatLegacyListItemHarnessBase} from './list-item-harness-base';\n\n/**\n * Harness for interacting with a standard mat-nav-list in tests.\n * @deprecated Use `MatNavListHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacyNavListHarness extends MatLegacyListHarnessBase<\n  typeof MatLegacyNavListItemHarness,\n  MatLegacyNavListItemHarness,\n  LegacyNavListItemHarnessFilters\n> {\n  /** The selector for the host element of a `MatNavList` instance. */\n  static hostSelector = '.mat-nav-list';\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatNavListHarness` that meets\n   * certain criteria.\n   * @param options Options for filtering which nav list instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(\n    options: LegacyNavListHarnessFilters = {},\n  ): HarnessPredicate<MatLegacyNavListHarness> {\n    return new HarnessPredicate(MatLegacyNavListHarness, options);\n  }\n\n  override _itemHarness = MatLegacyNavListItemHarness;\n}\n\n/**\n * Harness for interacting with a nav list item.\n * @deprecated Use `MatNavListItemHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacyNavListItemHarness extends MatLegacyListItemHarnessBase {\n  /** The selector for the host element of a `MatListItem` instance. */\n  static hostSelector = `${MatLegacyNavListHarness.hostSelector} .mat-list-item`;\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatNavListItemHarness` that\n   * meets certain criteria.\n   * @param options Options for filtering which nav list item instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(\n    options: LegacyNavListItemHarnessFilters = {},\n  ): HarnessPredicate<MatLegacyNavListItemHarness> {\n    return getListItemPredicate(MatLegacyNavListItemHarness, options).addOption(\n      'href',\n      options.href,\n      async (harness, href) => HarnessPredicate.stringMatches(harness.getHref(), href),\n    );\n  }\n\n  /** Gets the href for this nav list item. */\n  async getHref(): Promise<string | null> {\n    return (await this.host()).getAttribute('href');\n  }\n\n  /** Clicks on the nav list item. */\n  async click(): Promise<void> {\n    return (await this.host()).click();\n  }\n\n  /** Focuses the nav list item. */\n  async focus(): Promise<void> {\n    return (await this.host()).focus();\n  }\n\n  /** Blurs the nav list item. */\n  async blur(): Promise<void> {\n    return (await this.host()).blur();\n  }\n\n  /** Whether the nav list item is focused. */\n  async isFocused(): Promise<boolean> {\n    return (await this.host()).isFocused();\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {HarnessPredicate, parallel} from '@angular/cdk/testing';\nimport {MatLegacyListOptionCheckboxPosition} from '@angular/material/legacy-list';\nimport {MatLegacyListHarnessBase} from './list-harness-base';\nimport {\n  LegacyListItemHarnessFilters,\n  LegacyListOptionHarnessFilters,\n  LegacySelectionListHarnessFilters,\n} from './list-harness-filters';\nimport {getListItemPredicate, MatLegacyListItemHarnessBase} from './list-item-harness-base';\n\n/**\n * Harness for interacting with a standard mat-selection-list in tests.\n * @deprecated Use `MatSelectionListHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacySelectionListHarness extends MatLegacyListHarnessBase<\n  typeof MatLegacyListOptionHarness,\n  MatLegacyListOptionHarness,\n  LegacyListOptionHarnessFilters\n> {\n  /** The selector for the host element of a `MatSelectionList` instance. */\n  static hostSelector = '.mat-selection-list';\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatSelectionListHarness` that meets\n   * certain criteria.\n   * @param options Options for filtering which selection list instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(\n    options: LegacySelectionListHarnessFilters = {},\n  ): HarnessPredicate<MatLegacySelectionListHarness> {\n    return new HarnessPredicate(MatLegacySelectionListHarness, options);\n  }\n\n  override _itemHarness = MatLegacyListOptionHarness;\n\n  /** Whether the selection list is disabled. */\n  async isDisabled(): Promise<boolean> {\n    return (await (await this.host()).getAttribute('aria-disabled')) === 'true';\n  }\n\n  /**\n   * Selects all items matching any of the given filters.\n   * @param filters Filters that specify which items should be selected.\n   */\n  async selectItems(...filters: LegacyListOptionHarnessFilters[]): Promise<void> {\n    const items = await this._getItems(filters);\n    await parallel(() => items.map(item => item.select()));\n  }\n\n  /**\n   * Deselects all items matching any of the given filters.\n   * @param filters Filters that specify which items should be deselected.\n   */\n  async deselectItems(...filters: LegacyListItemHarnessFilters[]): Promise<void> {\n    const items = await this._getItems(filters);\n    await parallel(() => items.map(item => item.deselect()));\n  }\n\n  /** Gets all items matching the given list of filters. */\n  private async _getItems(\n    filters: LegacyListOptionHarnessFilters[],\n  ): Promise<MatLegacyListOptionHarness[]> {\n    if (!filters.length) {\n      return this.getItems();\n    }\n    const matches = await parallel(() => {\n      return filters.map(filter => this.locatorForAll(MatLegacyListOptionHarness.with(filter))());\n    });\n    return matches.reduce((result, current) => [...result, ...current], []);\n  }\n}\n\n/**\n * Harness for interacting with a list option.\n * @deprecated Use `MatListOptionHarness` from `@angular/material/list/testing` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.\n * @breaking-change 17.0.0\n */\nexport class MatLegacyListOptionHarness extends MatLegacyListItemHarnessBase {\n  /** The selector for the host element of a `MatListOption` instance. */\n  static hostSelector = '.mat-list-option';\n\n  /**\n   * Gets a `HarnessPredicate` that can be used to search for a `MatListOptionHarness` that\n   * meets certain criteria.\n   * @param options Options for filtering which list option instances are considered a match.\n   * @return a `HarnessPredicate` configured with the given options.\n   */\n  static with(\n    options: LegacyListOptionHarnessFilters = {},\n  ): HarnessPredicate<MatLegacyListOptionHarness> {\n    return getListItemPredicate(MatLegacyListOptionHarness, options).addOption(\n      'is selected',\n      options.selected,\n      async (harness, selected) => (await harness.isSelected()) === selected,\n    );\n  }\n\n  private _itemContent = this.locatorFor('.mat-list-item-content');\n\n  /** Gets the position of the checkbox relative to the list option content. */\n  async getCheckboxPosition(): Promise<MatLegacyListOptionCheckboxPosition> {\n    return (await (await this._itemContent()).hasClass('mat-list-item-content-reverse'))\n      ? 'after'\n      : 'before';\n  }\n\n  /** Whether the list option is selected. */\n  async isSelected(): Promise<boolean> {\n    return (await (await this.host()).getAttribute('aria-selected')) === 'true';\n  }\n\n  /** Focuses the list option. */\n  async focus(): Promise<void> {\n    return (await this.host()).focus();\n  }\n\n  /** Blurs the list option. */\n  async blur(): Promise<void> {\n    return (await this.host()).blur();\n  }\n\n  /** Whether the list option is focused. */\n  async isFocused(): Promise<boolean> {\n    return (await this.host()).isFocused();\n  }\n\n  /** Toggles the checked state of the checkbox. */\n  async toggle() {\n    return (await this.host()).click();\n  }\n\n  /**\n   * Puts the list option in a checked state by toggling it if it is currently unchecked, or doing\n   * nothing if it is already checked.\n   */\n  async select() {\n    if (!(await this.isSelected())) {\n      return this.toggle();\n    }\n  }\n\n  /**\n   * Puts the list option in an unchecked state by toggling it if it is currently checked, or doing\n   * nothing if it is already unchecked.\n   */\n  async deselect() {\n    if (await this.isSelected()) {\n      return this.toggle();\n    }\n  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