How to use Locator class of Microsoft.Playwright.Core package

...92        public bool IsDetached { get; internal set; }93        internal List<Frame> ChildFramesList { get; } = new();94        public async Task<IElementHandle> FrameElementAsync()95            => (await _channel.FrameElementAsync().ConfigureAwait(false)).Object;96        public IFrameLocator FrameLocator(string selector)97            => new FrameLocator(this, selector);98        public Task<string> TitleAsync() => _channel.TitleAsync();99        public Task WaitForTimeoutAsync(float timeout)100            => _channel.WaitForTimeoutAsync(timeout);101        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, string values, FrameSelectOptionOptions options = default)102            => SelectOptionAsync(selector, new[] { values }, options);103        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, IEnumerable<string> values, FrameSelectOptionOptions options = default)104            => SelectOptionAsync(selector, values.Select(x => new SelectOptionValue() { Value = x }), options);105        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, IElementHandle values, FrameSelectOptionOptions options = default)106            => SelectOptionAsync(selector, new[] { values }, options);107        public async Task<IReadOnlyList<string>> SelectOptionAsync(string selector, IEnumerable<IElementHandle> values, FrameSelectOptionOptions options = default)108            => (await _channel.SelectOptionAsync(109                selector,110                values.Select(x => x as ElementHandle),111                noWaitAfter: options?.NoWaitAfter,112                strict: options?.Strict,113                force: options?.Force,114                timeout: options?.Timeout).ConfigureAwait(false)).ToList().AsReadOnly();115        public Task<IReadOnlyList<string>> SelectOptionAsync(string selector, SelectOptionValue values, FrameSelectOptionOptions options = default)116            => SelectOptionAsync(selector, new[] { values }, options);117        public async Task<IReadOnlyList<string>> SelectOptionAsync(string selector, IEnumerable<SelectOptionValue> values, FrameSelectOptionOptions options = default)118            => (await _channel.SelectOptionAsync(119                selector,120                values,121                noWaitAfter: options?.NoWaitAfter,122                strict: options?.Strict,123                force: options?.Force,124                timeout: options?.Timeout).ConfigureAwait(false)).ToList().AsReadOnly();125        public async Task WaitForLoadStateAsync(LoadState? state = default, FrameWaitForLoadStateOptions options = default)126        {127            Task<WaitUntilState> task;128            Waiter waiter = null;129            WaitUntilState loadState = Microsoft.Playwright.WaitUntilState.Load;130            switch (state)131            {132                case Microsoft.Playwright.LoadState.Load:133                    loadState = Microsoft.Playwright.WaitUntilState.Load;134                    break;135                case Microsoft.Playwright.LoadState.DOMContentLoaded:136                    loadState = Microsoft.Playwright.WaitUntilState.DOMContentLoaded;137                    break;138                case Microsoft.Playwright.LoadState.NetworkIdle:139                    loadState = Microsoft.Playwright.WaitUntilState.NetworkIdle;140                    break;141            }142            try143            {144                lock (_loadStates)145                {146                    if (_loadStates.Contains(loadState))147                    {148                        return;149                    }150                    waiter = SetupNavigationWaiter("frame.WaitForLoadStateAsync", options?.Timeout);151                    task = waiter.WaitForEventAsync<WaitUntilState>(this, "LoadState", s =>152                    {153                        waiter.Log($"  \"{s}\" event fired");154                        return s == loadState;155                    });156                }157                await task.ConfigureAwait(false);158            }159            finally160            {161                waiter?.Dispose();162            }163        }164        public async Task<IResponse> WaitForNavigationAsync(FrameWaitForNavigationOptions options = default)165        {166            WaitUntilState waitUntil2 = options?.WaitUntil ?? WaitUntilState.Load;167            using var waiter = SetupNavigationWaiter("frame.WaitForNavigationAsync", options?.Timeout);168            string toUrl = !string.IsNullOrEmpty(options?.UrlString) ? $" to \"{options?.UrlString}\"" : string.Empty;169            waiter.Log($"waiting for navigation{toUrl} until \"{waitUntil2}\"");170            var navigatedEventTask = waiter.WaitForEventAsync<FrameNavigatedEventArgs>(171                this,172                "Navigated",173                e =>174                {175                    // Any failed navigation results in a rejection.176                    if (e.Error != null)177                    {178                        return true;179                    }180                    waiter.Log($"  navigated to \"{e.Url}\"");181                    return UrlMatches(e.Url, options?.UrlString, options?.UrlRegex, options?.UrlFunc);182                });183            var navigatedEvent = await navigatedEventTask.ConfigureAwait(false);184            if (navigatedEvent.Error != null)185            {186                var ex = new PlaywrightException(navigatedEvent.Error);187                await waiter.WaitForPromiseAsync(Task.FromException<object>(ex)).ConfigureAwait(false);188            }189            if (!_loadStates.Select(s => s.ToValueString()).Contains(waitUntil2.ToValueString()))190            {191                await waiter.WaitForEventAsync<WaitUntilState>(192                    this,193                    "LoadState",194                    e =>195                    {196                        waiter.Log($"  \"{e}\" event fired");197                        return e.ToValueString() == waitUntil2.ToValueString();198                    }).ConfigureAwait(false);199            }200            var request = navigatedEvent.NewDocument?.Request?.Object;201            var response = request != null202                ? await waiter.WaitForPromiseAsync(request.FinalRequest.ResponseAsync()).ConfigureAwait(false)203                : null;204            return response;205        }206        public async Task<IResponse> RunAndWaitForNavigationAsync(Func<Task> action, FrameRunAndWaitForNavigationOptions options = default)207        {208            var result = WaitForNavigationAsync(new()209            {210                UrlString = options?.UrlString,211                UrlRegex = options?.UrlRegex,212                UrlFunc = options?.UrlFunc,213                WaitUntil = options?.WaitUntil,214                Timeout = options?.Timeout,215            });216            if (action != null)217            {218                await WrapApiBoundaryAsync(() => Task.WhenAll(result, action())).ConfigureAwait(false);219            }220            return await result.ConfigureAwait(false);221        }222        public Task TapAsync(string selector, FrameTapOptions options = default)223            => _channel.TapAsync(224                selector,225                modifiers: options?.Modifiers,226                position: options?.Position,227                timeout: options?.Timeout,228                force: options?.Force,229                noWaitAfter: options?.NoWaitAfter,230                trial: options?.Trial,231                strict: options?.Strict);232        internal Task<int> QueryCountAsync(string selector)233            => _channel.QueryCountAsync(selector);234        public Task<string> ContentAsync() => _channel.ContentAsync();235        public Task FocusAsync(string selector, FrameFocusOptions options = default)236            => _channel.FocusAsync(selector, options?.Timeout, options?.Strict);237        public Task TypeAsync(string selector, string text, FrameTypeOptions options = default)238            => _channel.TypeAsync(239                selector,240                text,241                delay: options?.Delay,242                timeout: options?.Timeout,243                noWaitAfter: options?.NoWaitAfter,244                strict: options?.Strict);245        public Task<string> GetAttributeAsync(string selector, string name, FrameGetAttributeOptions options = default)246            => _channel.GetAttributeAsync(selector, name, options?.Timeout, options?.Strict);247        public Task<string> InnerHTMLAsync(string selector, FrameInnerHTMLOptions options = default)248            => _channel.InnerHTMLAsync(selector, options?.Timeout, options?.Strict);249        public Task<string> InnerTextAsync(string selector, FrameInnerTextOptions options = default)250            => _channel.InnerTextAsync(selector, options?.Timeout, options?.Strict);251        public Task<string> TextContentAsync(string selector, FrameTextContentOptions options = default)252            => _channel.TextContentAsync(selector, options?.Timeout, options?.Strict);253        public Task HoverAsync(string selector, FrameHoverOptions options = default)254            => _channel.HoverAsync(255                selector,256                position: options?.Position,257                modifiers: options?.Modifiers,258                force: options?.Force,259                timeout: options?.Timeout,260                trial: options?.Trial,261                strict: options?.Strict);262        public Task PressAsync(string selector, string key, FramePressOptions options = default)263            => _channel.PressAsync(264                selector,265                key,266                delay: options?.Delay,267                timeout: options?.Timeout,268                noWaitAfter: options?.NoWaitAfter,269                strict: options?.Strict);270        public Task DispatchEventAsync(string selector, string type, object eventInit = default, FrameDispatchEventOptions options = default)271            => _channel.DispatchEventAsync(272                    selector,273                    type,274                    ScriptsHelper.SerializedArgument(eventInit),275                    options?.Timeout,276                    options?.Strict);277        public Task FillAsync(string selector, string value, FrameFillOptions options = default)278            => _channel.FillAsync(selector, value, force: options?.Force, timeout: options?.Timeout, noWaitAfter: options?.NoWaitAfter, options?.Strict);279        public async Task<IElementHandle> AddScriptTagAsync(FrameAddScriptTagOptions options = default)280        {281            var content = options?.Content;282            if (!string.IsNullOrEmpty(options?.Path))283            {284                content = File.ReadAllText(options.Path);285                content += "//# sourceURL=" + options.Path.Replace("\n", string.Empty);286            }287            return (await _channel.AddScriptTagAsync(options?.Url, options?.Path, content, options?.Type).ConfigureAwait(false)).Object;288        }289        public async Task<IElementHandle> AddStyleTagAsync(FrameAddStyleTagOptions options = default)290        {291            var content = options?.Content;292            if (!string.IsNullOrEmpty(options?.Path))293            {294                content = File.ReadAllText(options.Path);295                content += "//# sourceURL=" + options.Path.Replace("\n", string.Empty);296            }297            return (await _channel.AddStyleTagAsync(options?.Url, options?.Path, content).ConfigureAwait(false)).Object;298        }299        public Task SetInputFilesAsync(string selector, string files, FrameSetInputFilesOptions options = default)300            => SetInputFilesAsync(selector, new[] { files }, options);301        public async Task SetInputFilesAsync(string selector, IEnumerable<string> files, FrameSetInputFilesOptions options = default)302        {303            var converted = await SetInputFilesHelpers.ConvertInputFilesAsync(files, (BrowserContext)Page.Context).ConfigureAwait(false);304            if (converted.Files != null)305            {306                await _channel.SetInputFilesAsync(selector, converted.Files, options?.NoWaitAfter, options?.Timeout, options?.Strict).ConfigureAwait(false);307            }308            else309            {310                await _channel.SetInputFilePathsAsync(selector, converted?.LocalPaths, converted?.Streams, options?.NoWaitAfter, options?.Timeout, options?.Strict).ConfigureAwait(false);311            }312        }313        public Task SetInputFilesAsync(string selector, FilePayload files, FrameSetInputFilesOptions options = default)314            => SetInputFilesAsync(selector, new[] { files }, options);315        public async Task SetInputFilesAsync(string selector, IEnumerable<FilePayload> files, FrameSetInputFilesOptions options = default)316        {317            var converted = SetInputFilesHelpers.ConvertInputFiles(files);318            await _channel.SetInputFilesAsync(selector, converted.Files, noWaitAfter: options?.NoWaitAfter, timeout: options?.Timeout, options?.Strict).ConfigureAwait(false);319        }320        public Task ClickAsync(string selector, FrameClickOptions options = default)321            => _channel.ClickAsync(322                selector,323                delay: options?.Delay,324                button: options?.Button,325                clickCount: options?.ClickCount,326                modifiers: options?.Modifiers,327                position: options?.Position,328                timeout: options?.Timeout,329                force: options?.Force,330                noWaitAfter: options?.NoWaitAfter,331                trial: options?.Trial,332                strict: options?.Strict);333        public Task DblClickAsync(string selector, FrameDblClickOptions options = default)334            => _channel.DblClickAsync(335                selector,336                delay: options?.Delay,337                button: options?.Button,338                position: options?.Position,339                modifiers: options?.Modifiers,340                timeout: options?.Timeout,341                force: options?.Force,342                noWaitAfter: options?.NoWaitAfter,343                trial: options?.Trial,344                strict: options?.Strict);345        public Task CheckAsync(string selector, FrameCheckOptions options = default)346            => _channel.CheckAsync(347                selector,348                position: options?.Position,349                timeout: options?.Timeout,350                force: options?.Force,351                noWaitAfter: options?.NoWaitAfter,352                trial: options?.Trial,353                strict: options?.Strict);354        public Task UncheckAsync(string selector, FrameUncheckOptions options = default)355            => _channel.UncheckAsync(356                selector,357                position: options?.Position,358                timeout: options?.Timeout,359                force: options?.Force,360                noWaitAfter: options?.NoWaitAfter,361                trial: options?.Trial,362                strict: options?.Strict);363        public Task SetCheckedAsync(string selector, bool checkedState, FrameSetCheckedOptions options = null)364            => checkedState ?365            _channel.CheckAsync(366                selector,367                position: options?.Position,368                timeout: options?.Timeout,369                force: options?.Force,370                noWaitAfter: options?.NoWaitAfter,371                trial: options?.Trial,372                strict: options?.Strict)373            : _channel.UncheckAsync(374                selector,375                position: options?.Position,376                timeout: options?.Timeout,377                force: options?.Force,378                noWaitAfter: options?.NoWaitAfter,379                trial: options?.Trial,380                strict: options?.Strict);381        public Task SetContentAsync(string html, FrameSetContentOptions options = default)382            => _channel.SetContentAsync(html, timeout: options?.Timeout, waitUntil: options?.WaitUntil);383        public Task<string> InputValueAsync(string selector, FrameInputValueOptions options = null)384            => _channel.InputValueAsync(selector, options?.Timeout, options?.Strict);385        public async Task<IElementHandle> QuerySelectorAsync(string selector)386            => (await _channel.QuerySelectorAsync(selector).ConfigureAwait(false))?.Object;387        public async Task<IReadOnlyList<IElementHandle>> QuerySelectorAllAsync(string selector)388            => (await _channel.QuerySelectorAllAsync(selector).ConfigureAwait(false)).Select(c => ((ElementHandleChannel)c).Object).ToList().AsReadOnly();389        public async Task<IJSHandle> WaitForFunctionAsync(string expression, object arg = default, FrameWaitForFunctionOptions options = default)390             => (await _channel.WaitForFunctionAsync(391                expression: expression,392                arg: ScriptsHelper.SerializedArgument(arg),393                timeout: options?.Timeout,394                polling: options?.PollingInterval).ConfigureAwait(false)).Object;395        public async Task<IElementHandle> WaitForSelectorAsync(string selector, FrameWaitForSelectorOptions options = default)396            => (await _channel.WaitForSelectorAsync(397                selector: selector,398                state: options?.State,399                timeout: options?.Timeout,400                strict: options?.Strict,401                omitReturnValue: false).ConfigureAwait(false))?.Object;402        public async Task<IElementHandle> LocatorWaitForAsync(string selector, LocatorWaitForOptions options = default)403            => (await _channel.WaitForSelectorAsync(404                selector: selector,405                state: options?.State,406                timeout: options?.Timeout,407                strict: true,408                omitReturnValue: true).ConfigureAwait(false))?.Object;409        public async Task<IJSHandle> EvaluateHandleAsync(string script, object args = null)410            => (await _channel.EvaluateExpressionHandleAsync(411                script,412                arg: ScriptsHelper.SerializedArgument(args)).ConfigureAwait(false))?.Object;413        public async Task<JsonElement?> EvaluateAsync(string script, object arg = null)414            => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvaluateExpressionAsync(415                script,416                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));417        public async Task<T> EvaluateAsync<T>(string script, object arg = null)418            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvaluateExpressionAsync(419                script,420                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));421        public async Task<JsonElement?> EvalOnSelectorAsync(string selector, string script, object arg = null)422            => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvalOnSelectorAsync(423                selector: selector,424                script,425                arg: ScriptsHelper.SerializedArgument(arg),426                strict: null).ConfigureAwait(false));427        public async Task<T> EvalOnSelectorAsync<T>(string selector, string script, object arg = null)428            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvalOnSelectorAsync(429                selector: selector,430                script,431                arg: ScriptsHelper.SerializedArgument(arg),432                strict: null).ConfigureAwait(false));433        public async Task<T> EvalOnSelectorAsync<T>(string selector, string expression, object arg = null, FrameEvalOnSelectorOptions options = null)434            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvalOnSelectorAsync(435                selector: selector,436                expression,437                arg: ScriptsHelper.SerializedArgument(arg),438                strict: options?.Strict).ConfigureAwait(false));439        public async Task<JsonElement?> EvalOnSelectorAllAsync(string selector, string script, object arg = null)440            => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvalOnSelectorAllAsync(441                selector: selector,442                script,443                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));444        public async Task<T> EvalOnSelectorAllAsync<T>(string selector, string script, object arg = null)445            => ScriptsHelper.ParseEvaluateResult<T>(await _channel.EvalOnSelectorAllAsync(446                selector: selector,447                script,448                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));449        public ILocator Locator(string selector, FrameLocatorOptions options = null) => new Locator(this, selector, new() { HasTextRegex = options?.HasTextRegex, HasTextString = options?.HasTextString, Has = options?.Has });450        public async Task<IElementHandle> QuerySelectorAsync(string selector, FrameQuerySelectorOptions options = null)451            => (await _channel.QuerySelectorAsync(selector, options?.Strict).ConfigureAwait(false))?.Object;452        public async Task<IResponse> GotoAsync(string url, FrameGotoOptions options = default)453            => (await _channel.GotoAsync(454                url,455                timeout: options?.Timeout,456                waitUntil: options?.WaitUntil,457                referer: options?.Referer).ConfigureAwait(false))?.Object;458        public Task<bool> IsCheckedAsync(string selector, FrameIsCheckedOptions options = default)459            => _channel.IsCheckedAsync(selector, timeout: options?.Timeout, options?.Strict);460        public Task<bool> IsDisabledAsync(string selector, FrameIsDisabledOptions options = default)461            => _channel.IsDisabledAsync(selector, timeout: options?.Timeout, options?.Strict);462        public Task<bool> IsEditableAsync(string selector, FrameIsEditableOptions options = default)463            => _channel.IsEditableAsync(selector, timeout: options?.Timeout, options?.Strict);...

...30using Microsoft.Playwright.Helpers;31using Microsoft.Playwright.Transport.Protocol;32namespace Microsoft.Playwright.Core33{34    internal class Locator : ILocator35    {36        internal readonly Frame _frame;37        internal readonly string _selector;38        private readonly LocatorLocatorOptions _options;39        public Locator(Frame parent, string selector, LocatorLocatorOptions options = null)40        {41            _frame = parent;42            _selector = selector;43            _options = options;44            if (options?.HasTextRegex != null)45            {46                _selector += $" >> :scope:text-matches({options.HasTextRegex.ToString().EscapeWithQuotes("\"")}, {options.HasTextRegex.Options.GetInlineFlags().EscapeWithQuotes("\"")})";47            }48            if (options?.HasTextString != null)49            {50                _selector += $" >> :scope:has-text({options.HasTextString.EscapeWithQuotes("\"")})";51            }52            if (options?.Has != null)53            {54                var has = (Locator)options.Has;55                if (has._frame != _frame)56                {57                    throw new ArgumentException("Inner \"has\" locator must belong to the same frame.");58                }59                _selector += " >> has=" + JsonSerializer.Serialize(has._selector);60            }61        }62        public ILocator First => new Locator(_frame, $"{_selector} >> nth=0");63        public ILocator Last => new Locator(_frame, $"{_selector} >> nth=-1");64        IPage ILocator.Page => _frame.Page;65        public async Task<IReadOnlyList<string>> AllInnerTextsAsync()66            => await EvaluateAllAsync<string[]>("ee => ee.map(e => e.innerText)").ConfigureAwait(false);67        public async Task<IReadOnlyList<string>> AllTextContentsAsync()68            => await EvaluateAllAsync<string[]>("ee => ee.map(e => e.textContent || '')").ConfigureAwait(false);69        public async Task<LocatorBoundingBoxResult> BoundingBoxAsync(LocatorBoundingBoxOptions options = null)70            => await WithElementAsync(71                async (h, _) =>72                {73                    var bb = await h.BoundingBoxAsync().ConfigureAwait(false);74                    if (bb == null)75                    {76                        return null;77                    }78                    return new LocatorBoundingBoxResult()79                    {80                        Height = bb.Height,81                        Width = bb.Width,82                        X = bb.X,83                        Y = bb.Y,84                    };85                },86                options).ConfigureAwait(false);87        public Task CheckAsync(LocatorCheckOptions options = null)88            => _frame.CheckAsync(89                _selector,90                ConvertOptions<FrameCheckOptions>(options));91        public Task ClickAsync(LocatorClickOptions options = null)92            => _frame.ClickAsync(93                _selector,94                ConvertOptions<FrameClickOptions>(options));95        public Task SetCheckedAsync(bool checkedState, LocatorSetCheckedOptions options = null)96            => checkedState ?97                CheckAsync(ConvertOptions<LocatorCheckOptions>(options))98                : UncheckAsync(ConvertOptions<LocatorUncheckOptions>(options));99        public Task<int> CountAsync()100            => _frame.QueryCountAsync(_selector);101        public Task DblClickAsync(LocatorDblClickOptions options = null)102            => _frame.DblClickAsync(_selector, ConvertOptions<FrameDblClickOptions>(options));103        public Task DispatchEventAsync(string type, object eventInit = null, LocatorDispatchEventOptions options = null)104            => _frame.DispatchEventAsync(_selector, type, eventInit, ConvertOptions<FrameDispatchEventOptions>(options));105        public Task DragToAsync(ILocator target, LocatorDragToOptions options = null)106            => _frame.DragAndDropAsync(_selector, ((Locator)target)._selector, ConvertOptions<FrameDragAndDropOptions>(options));107        public async Task<IElementHandle> ElementHandleAsync(LocatorElementHandleOptions options = null)108            => await _frame.WaitForSelectorAsync(109                _selector,110                ConvertOptions<FrameWaitForSelectorOptions>(options)).ConfigureAwait(false);111        public Task<IReadOnlyList<IElementHandle>> ElementHandlesAsync()112            => _frame.QuerySelectorAllAsync(_selector);113        public Task<T> EvaluateAllAsync<T>(string expression, object arg = null)114            => _frame.EvalOnSelectorAllAsync<T>(_selector, expression, arg);115        public Task<JsonElement?> EvaluateAsync(string expression, object arg = null, LocatorEvaluateOptions options = null)116            => EvaluateAsync<JsonElement?>(expression, arg, options);117        public Task<T> EvaluateAsync<T>(string expression, object arg = null, LocatorEvaluateOptions options = null)118            => _frame.EvalOnSelectorAsync<T>(_selector, expression, arg, ConvertOptions<FrameEvalOnSelectorOptions>(options));119        public async Task<IJSHandle> EvaluateHandleAsync(string expression, object arg = null, LocatorEvaluateHandleOptions options = null)120            => await WithElementAsync(async (e, _) => await e.EvaluateHandleAsync(expression, arg).ConfigureAwait(false), options).ConfigureAwait(false);121        public async Task FillAsync(string value, LocatorFillOptions options = null)122            => await _frame.FillAsync(_selector, value, ConvertOptions<FrameFillOptions>(options)).ConfigureAwait(false);123        public Task FocusAsync(LocatorFocusOptions options = null)124            => _frame.FocusAsync(_selector, ConvertOptions<FrameFocusOptions>(options));125        IFrameLocator ILocator.FrameLocator(string selector) =>126            new FrameLocator(_frame, $"{_selector} >> {selector}");127        public Task<string> GetAttributeAsync(string name, LocatorGetAttributeOptions options = null)128            => _frame.GetAttributeAsync(_selector, name, ConvertOptions<FrameGetAttributeOptions>(options));129        public Task HoverAsync(LocatorHoverOptions options = null)130            => _frame.HoverAsync(_selector, ConvertOptions<FrameHoverOptions>(options));131        public Task<string> InnerHTMLAsync(LocatorInnerHTMLOptions options = null)132            => _frame.InnerHTMLAsync(_selector, ConvertOptions<FrameInnerHTMLOptions>(options));133        public Task<string> InnerTextAsync(LocatorInnerTextOptions options = null)134            => _frame.InnerTextAsync(_selector, ConvertOptions<FrameInnerTextOptions>(options));135        public Task<string> InputValueAsync(LocatorInputValueOptions options = null)136            => _frame.InputValueAsync(_selector, ConvertOptions<FrameInputValueOptions>(options));137        public Task<bool> IsCheckedAsync(LocatorIsCheckedOptions options = null)138            => _frame.IsCheckedAsync(_selector, ConvertOptions<FrameIsCheckedOptions>(options));139        public Task<bool> IsDisabledAsync(LocatorIsDisabledOptions options = null)140            => _frame.IsDisabledAsync(_selector, ConvertOptions<FrameIsDisabledOptions>(options));141        public Task<bool> IsEditableAsync(LocatorIsEditableOptions options = null)142            => _frame.IsEditableAsync(_selector, ConvertOptions<FrameIsEditableOptions>(options));143        public Task<bool> IsEnabledAsync(LocatorIsEnabledOptions options = null)144            => _frame.IsEnabledAsync(_selector, ConvertOptions<FrameIsEnabledOptions>(options));145        public Task<bool> IsHiddenAsync(LocatorIsHiddenOptions options = null)146            => _frame.IsHiddenAsync(_selector, ConvertOptions<FrameIsHiddenOptions>(options));147        public Task<bool> IsVisibleAsync(LocatorIsVisibleOptions options = null)148            => _frame.IsVisibleAsync(_selector, ConvertOptions<FrameIsVisibleOptions>(options));149        public ILocator Nth(int index)150            => new Locator(_frame, $"{_selector} >> nth={index}");151        public Task PressAsync(string key, LocatorPressOptions options = null)152            => _frame.PressAsync(_selector, key, ConvertOptions<FramePressOptions>(options));153        public Task<byte[]> ScreenshotAsync(LocatorScreenshotOptions options = null)154            => WithElementAsync(async (h, o) => await h.ScreenshotAsync(ConvertOptions<ElementHandleScreenshotOptions>(o)).ConfigureAwait(false), options);155        public Task ScrollIntoViewIfNeededAsync(LocatorScrollIntoViewIfNeededOptions options = null)156            => WithElementAsync(async (h, o) => await h.ScrollIntoViewIfNeededAsync(ConvertOptions<ElementHandleScrollIntoViewIfNeededOptions>(o)).ConfigureAwait(false), options);157        public Task<IReadOnlyList<string>> SelectOptionAsync(string values, LocatorSelectOptionOptions options = null)158            => _frame.SelectOptionAsync(_selector, values, ConvertOptions<FrameSelectOptionOptions>(options));159        public Task<IReadOnlyList<string>> SelectOptionAsync(IElementHandle values, LocatorSelectOptionOptions options = null)160            => _frame.SelectOptionAsync(_selector, values, ConvertOptions<FrameSelectOptionOptions>(options));161        public Task<IReadOnlyList<string>> SelectOptionAsync(IEnumerable<string> values, LocatorSelectOptionOptions options = null)162            => _frame.SelectOptionAsync(_selector, values, ConvertOptions<FrameSelectOptionOptions>(options));163        public Task<IReadOnlyList<string>> SelectOptionAsync(SelectOptionValue values, LocatorSelectOptionOptions options = null)164            => _frame.SelectOptionAsync(_selector, values, ConvertOptions<FrameSelectOptionOptions>(options));165        public Task<IReadOnlyList<string>> SelectOptionAsync(IEnumerable<IElementHandle> values, LocatorSelectOptionOptions options = null)166            => _frame.SelectOptionAsync(_selector, values, ConvertOptions<FrameSelectOptionOptions>(options));167        public Task<IReadOnlyList<string>> SelectOptionAsync(IEnumerable<SelectOptionValue> values, LocatorSelectOptionOptions options = null)168            => _frame.SelectOptionAsync(_selector, values, ConvertOptions<FrameSelectOptionOptions>(options));169        public Task SelectTextAsync(LocatorSelectTextOptions options = null)170            => WithElementAsync((h, o) => h.SelectTextAsync(ConvertOptions<ElementHandleSelectTextOptions>(o)), options);171        public Task SetInputFilesAsync(string files, LocatorSetInputFilesOptions options = null)172            => _frame.SetInputFilesAsync(_selector, files, ConvertOptions<FrameSetInputFilesOptions>(options));173        public Task SetInputFilesAsync(IEnumerable<string> files, LocatorSetInputFilesOptions options = null)174            => _frame.SetInputFilesAsync(_selector, files, ConvertOptions<FrameSetInputFilesOptions>(options));175        public Task SetInputFilesAsync(FilePayload files, LocatorSetInputFilesOptions options = null)176            => _frame.SetInputFilesAsync(_selector, files, ConvertOptions<FrameSetInputFilesOptions>(options));177        public Task SetInputFilesAsync(IEnumerable<FilePayload> files, LocatorSetInputFilesOptions options = null)178            => _frame.SetInputFilesAsync(_selector, files, ConvertOptions<FrameSetInputFilesOptions>(options));179        public Task TapAsync(LocatorTapOptions options = null)180            => _frame.TapAsync(_selector, ConvertOptions<FrameTapOptions>(options));181        public Task<string> TextContentAsync(LocatorTextContentOptions options = null)182            => _frame.TextContentAsync(_selector, ConvertOptions<FrameTextContentOptions>(options));183        public Task TypeAsync(string text, LocatorTypeOptions options = null)184            => _frame.TypeAsync(_selector, text, ConvertOptions<FrameTypeOptions>(options));185        public Task UncheckAsync(LocatorUncheckOptions options = null)186            => _frame.UncheckAsync(_selector, ConvertOptions<FrameUncheckOptions>(options));187        ILocator ILocator.Locator(string selector, LocatorLocatorOptions options)188            => new Locator(_frame, $"{_selector} >> {selector}", options);189        public Task WaitForAsync(LocatorWaitForOptions options = null)190            => _frame.LocatorWaitForAsync(_selector, ConvertOptions<LocatorWaitForOptions>(options));191        internal Task<FrameExpectResult> ExpectAsync(string expression, FrameExpectOptions options = null)192            => _frame.ExpectAsync(193                _selector,194                expression,195                options);196        public override string ToString() => "Locator@" + _selector;197        private T ConvertOptions<T>(object source)198            where T : class, new()199        {200            T target = new();201            var targetType = target.GetType();202            if (source != null)203            {204                var sourceType = source.GetType();205                foreach (var sourceProperty in sourceType.GetProperties())206                {207                    var targetProperty = targetType.GetProperty(sourceProperty.Name);208                    if (targetProperty != null)209                    {210                        targetProperty.SetValue(target, sourceProperty.GetValue(source));211                    }212                }213            }214            var strictProperty = targetType.GetProperty("Strict");215            if (strictProperty != null && strictProperty.GetValue(target) == null)216            {217                strictProperty.SetValue(target, true);218            }219            return target;220        }221        private async Task<TResult> WithElementAsync<TOptions, TResult>(Func<IElementHandle, TOptions, Task<TResult>> callback, TOptions options)222            where TOptions : class223            where TResult : class224        {225            IElementHandle handle = await ElementHandleAsync(ConvertOptions<LocatorElementHandleOptions>(options)).ConfigureAwait(false);226            try227            {228                return await callback(handle, options).ConfigureAwait(false);229            }230            finally231            {232                await handle.DisposeAsync().ConfigureAwait(false);233            }234        }235        private async Task WithElementAsync<TOptions>(Func<IElementHandle, TOptions, Task> callback, TOptions options)236            where TOptions : class237        {238            IElementHandle handle = await ElementHandleAsync(ConvertOptions<LocatorElementHandleOptions>(options)).ConfigureAwait(false);239            try240            {241                await callback(handle, options).ConfigureAwait(false);242            }243            finally244            {245                await handle.DisposeAsync().ConfigureAwait(false);246            }247        }248        public Task HighlightAsync() => _frame.HighlightAsync(_selector);249    }250}...

...31namespace Microsoft.Playwright.Core32{33    internal class AssertionsBase34    {35        public AssertionsBase(ILocator actual, bool isNot)36        {37            ActualLocator = (Locator)actual;38            IsNot = isNot;39        }40        protected bool IsNot { get; private set; }41        internal Locator ActualLocator { get; private set; }42        internal async Task ExpectImplAsync(string expression, ExpectedTextValue textValue, object expected, string message, FrameExpectOptions options)43        {44            await ExpectImplAsync(expression, new ExpectedTextValue[] { textValue }, expected, message, options).ConfigureAwait(false);45        }46        internal async Task ExpectImplAsync(string expression, ExpectedTextValue[] expectedText, object expected, string message, FrameExpectOptions options)47        {48            options = options ?? new();49            options.ExpectedText = expectedText;50            options.IsNot = IsNot;51            await ExpectImplAsync(expression, options, expected, message).ConfigureAwait(false);52        }53        internal async Task ExpectImplAsync(string expression, FrameExpectOptions expectOptions, object expected, string message)54        {55            if (expectOptions.Timeout == null)56            {57                expectOptions.Timeout = 5_000;58            }59            if (expectOptions.IsNot)60            {61                message = message.Replace("expected to", "expected not to");62            }63            var result = await ActualLocator.ExpectAsync(expression, expectOptions).ConfigureAwait(false);64            if (result.Matches == IsNot)65            {66                var actual = result.Received;67                var log = string.Join("\n", result.Log);68                if (!string.IsNullOrEmpty(log))69                {70                    log = "\nCall log:\n" + log;71                }72                if (expected == null)73                {74                    throw new PlaywrightException($"{message} {log}");75                }76                throw new PlaywrightException($"{message} '{FormatValue(expected)}'\nBut was: '{FormatValue(actual)}' {log}");77            }...

...29{30    internal class PageAssertions : AssertionsBase, IPageAssertions31    {32        private readonly Page _page;33        public PageAssertions(IPage page, bool isNot) : base(PassThroughNonNull(page).Locator(":root"), isNot)34        {35            _page = (Page)page;36        }37        public IPageAssertions Not => new PageAssertions(_page, !IsNot);38        private static T PassThroughNonNull<T>(T value)39        {40            if (value == null)41            {42                throw new ArgumentNullException(nameof(value));43            }44            return value;45        }46        public Task ToHaveTitleAsync(string titleOrRegExp, PageAssertionsToHaveTitleOptions options = null) =>47            ExpectImplAsync("to.have.title", new ExpectedTextValue() { String = titleOrRegExp, NormalizeWhiteSpace = true }, titleOrRegExp, "Page title expected to be", ConvertToFrameExpectOptions(options));...

...21        var context = await browser.NewContextAsync(playwright.Devices["iPhone 11 Pro"]); // Complete list of devices - https://github.com/microsoft/playwright/blob/main/packages/playwright-core/src/server/deviceDescriptorsSource.json22        var page = await context.NewPageAsync();23        try {24          await page.GotoAsync("https://www.google.co.in/");25          await page.Locator("[aria-label='Search']").ClickAsync();26          await page.FillAsync("[aria-label='Search']", "BrowserStack");27          await page.Keyboard.PressAsync("Enter");28          await page.Locator("[aria-current='page']").WaitForAsync();29          var title = await page.TitleAsync();30          if (title == "BrowserStack - Google Search")31          {32            // following line of code is responsible for marking the status of the test on BrowserStack as 'passed'. You can use this code in your after hook after each test33            await MarkTestStatus("passed", "Title matched", page);34          } else {35            await MarkTestStatus("failed", "Title did not match", page);36          }37        }38        catch (Exception err) {39          await MarkTestStatus("failed", err.Message, page);40        }41        await browser.CloseAsync();42    }...

...21        var context = await browser.NewContextAsync(playwright.Devices["Pixel 5"]);  // Complete list of devices - https://github.com/microsoft/playwright/blob/main/packages/playwright-core/src/server/deviceDescriptorsSource.json22        var page = await context.NewPageAsync();23        try {24          await page.GotoAsync("https://www.google.co.in/");25          await page.Locator("[aria-label='Search']").ClickAsync();26          await page.FillAsync("[aria-label='Search']", "BrowserStack");27          await page.Keyboard.PressAsync("Enter");28          await page.Locator("[aria-current='page']").WaitForAsync();29          var title = await page.TitleAsync();30          if (title == "BrowserStack - Google Search")31          {32            // following line of code is responsible for marking the status of the test on BrowserStack as 'passed'. You can use this code in your after hook after each test33            await MarkTestStatus("passed", "Title matched", page);34          } else {35            await MarkTestStatus("failed", "Title did not match", page);36          }37        }38        catch (Exception err) {39          await MarkTestStatus("failed", err.Message, page);40        }41        await browser.CloseAsync();42    }...

...30using System.Threading.Tasks;31using Microsoft.Playwright.Helpers;32namespace Microsoft.Playwright.Core33{34    internal class FrameLocator : IFrameLocator35    {36        private readonly Frame _frame;37        private readonly string _frameSelector;38        public FrameLocator(Frame parent, string selector)39        {40            _frame = parent;41            _frameSelector = selector;42        }43        IFrameLocator IFrameLocator.First => new FrameLocator(_frame, $"{_frameSelector} >> nth=0");44        IFrameLocator IFrameLocator.Last => new FrameLocator(_frame, $"{_frameSelector} >> nth=-1");45        IFrameLocator IFrameLocator.FrameLocator(string selector) => new FrameLocator(_frame, $"{_frameSelector} >> control=enter-frame >> {selector}");46        ILocator IFrameLocator.Locator(string selector, FrameLocatorLocatorOptions options) => new Locator(_frame, $"{_frameSelector} >> control=enter-frame >> {selector}", new() { HasTextRegex = options?.HasTextRegex, HasTextString = options?.HasTextString });47        IFrameLocator IFrameLocator.Nth(int index) => new FrameLocator(_frame, $"{_frameSelector} >> nth={index}");48    }49}...

2namespace Microsoft.Playwright3{4    public static class Assertions5    {6        public static ILocatorAssertions Expect(ILocator locator) => new LocatorAssertions(locator, false);7        public static IPageAssertions Expect(IPage page) => new PageAssertions(page, false);8    }9}...

1using Microsoft.Playwright.Core;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            await page.ScreenshotAsync("google.png");12            await browser.CloseAsync();13        }14    }15}

1using Microsoft.Playwright.Core;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            await using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            var locator = page.Locator("input[name=q]");12            await locator.TypeAsync("Hello World");13            await locator.PressAsync("Enter");14        }15    }16}17using Microsoft.Playwright;18using System;19using System.Threading.Tasks;20{21    {22        static async Task Main(string[] args)23        {24            await using var playwright = await Playwright.CreateAsync();25            await using var browser = await playwright.Chromium.LaunchAsync();26            var page = await browser.NewPageAsync();27            var locator = page.Locator("input[name=q]");28            await locator.TypeAsync("Hello World");29            await locator.PressAsync("Enter");30        }31    }32}33using Microsoft.Playwright.NUnit;34using NUnit.Framework;35using System.Threading.Tasks;36{37    {38        public async Task LocatorTest()39        {40            await using var playwright = await Playwright.CreateAsync();41            await using var browser = await playwright.Chromium.LaunchAsync();42            var page = await browser.NewPageAsync();43            var locator = page.Locator("input[name=q]");44            await locator.TypeAsync("Hello World");45            await locator.PressAsync("Enter");46        }47    }48}49using Microsoft.Playwright.Xunit;50using System.Threading.Tasks;51using Xunit;52using Xunit.Abstractions;53{

1using Microsoft.Playwright.Core;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main()7        {8            var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            await page.ClickAsync("text=Google apps");12            await page.ClickAsync("text=YouTube");13            var locator = new Locator(page, "text=YouTube");14            var element = await locator.GetElementAsync();15            var text = await element.TextContentAsync();16            Console.WriteLine(text);17            await browser.CloseAsync();18        }19    }20}21using Microsoft.Playwright;22using System;23using System.Threading.Tasks;24{25    {26        static async Task Main()27        {28            var playwright = await Playwright.CreateAsync();29            var browser = await playwright.Chromium.LaunchAsync();30            var page = await browser.NewPageAsync();31            await page.ClickAsync("text=Google apps");32            await page.ClickAsync("text=YouTube");33            var locator = new Locator(page, "text=YouTube");34            var element = await locator.GetElementAsync();35            var text = await element.TextContentAsync();36            Console.WriteLine(text);37            await browser.CloseAsync();38        }39    }40}41using Microsoft.Playwright;42using System;43using System.Threading.Tasks;44{45    {46        static async Task Main()47        {48            var playwright = await Playwright.CreateAsync();49            var browser = await playwright.Chromium.LaunchAsync();50            var page = await browser.NewPageAsync();51            await page.ClickAsync("text=Google apps");52            await page.ClickAsync("text=YouTube");53            var locator = new Locator(page, "text=YouTube");54            var element = await locator.GetElementAsync();55            var text = await element.TextContentAsync();56            Console.WriteLine(text);57            await browser.CloseAsync();58        }59    }60}

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            Console.WriteLine("Hello World!");9            await Playwright.InstallAsync();10            var playwright = await Playwright.CreateAsync();11            await using var browser = await playwright.Chromium.LaunchAsync();12            var page = await browser.NewPageAsync();13            var locator = page.Locator("input[name=q]");14            await locator.FillAsync("Playwright");15            await page.Keyboard.PressAsync("Enter");

1using Microsoft.Playwright.Core;2using PlaywrightSharp;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var browserPath = Locator.FindExecutable();10            using var playwright = await Playwright.CreateAsync();11            var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions12            {13            });14            var page = await browser.NewPageAsync();15            var title = page.Title;16            Console.WriteLine(title);17            await browser.CloseAsync();18        }19    }20}

1{2  public Locator(IElementHandle elementHandle)3  {4    this.elementHandle = elementHandle;5  }6  public IElementHandle elementHandle;7  public Locator ElementHandle { get; set; }8  public Locator ElementHandle2 { get; set; }9}10{11  public Locator(IElementHandle elementHandle)12  {13    this.elementHandle = elementHandle;14  }15  public IElementHandle elementHandle;16  public Locator ElementHandle { get; set; }17  public Locator ElementHandle2 { get; set; }18}19{20  public Locator(IElementHandle elementHandle)21  {22    this.elementHandle = elementHandle;23  }24  public IElementHandle elementHandle;25  public Locator ElementHandle { get; set; }26  public Locator ElementHandle2 { get; set; }27}28{29  public Locator(IElementHandle elementHandle)30  {31    this.elementHandle = elementHandle;32  }33  public IElementHandle elementHandle;34  public Locator ElementHandle { get; set; }35  public Locator ElementHandle2 { get; set; }36}37{38  public Locator(IElementHandle elementHandle)39  {40    this.elementHandle = elementHandle;41  }42  public IElementHandle elementHandle;43  public Locator ElementHandle { get; set; }44  public Locator ElementHandle2 { get; set; }45}46{47  public Locator(IElementHandle elementHandle)48  {49    this.elementHandle = elementHandle;50  }51  public IElementHandle elementHandle;52  public Locator ElementHandle { get; set; }53  public Locator ElementHandle2 { get; set; }54}55{56  public Locator(IElementHandle elementHandle)57  {58    this.elementHandle = elementHandle;59  }60  public IElementHandle elementHandle;