public void WebViewDisposeDoesNotBlockWhenHasPendingJSCalls()
{
const string DotNetObject = "DotNetObject";
var functionCalled = false;
var disposeCalled = false;
Func <int> functionToCall = () => {
functionCalled = true;
TargetView.Dispose();
Assert.IsFalse(disposeCalled); // dispose should have been scheduled
return(1);
};
TargetView.RegisterJavascriptObject(DotNetObject, functionToCall, executeCallsInUI: true);
LoadAndWaitReady($"<html><script>function test() {{ {DotNetObject}.invoke(); return 1; }}</script><body></body></html>");
TargetView.Disposed += () => disposeCalled = true;
var result = TargetView.EvaluateScriptFunction <int>("test");
WaitFor(() => functionCalled, DefaultTimeout);
WaitFor(() => disposeCalled, DefaultTimeout);
Assert.IsTrue(disposeCalled);
}
public async Task WebViewDisposeDoesNotBlockWhenHasPendingJSCalls()
{
await Run(async() => {
const string DotNetObject = "DotNetObject";
var taskCompletionSourceFunction = new TaskCompletionSource <bool>(TaskCreationOptions.RunContinuationsAsynchronously);
var taskCompletionSourceDispose = new TaskCompletionSource <bool>(TaskCreationOptions.RunContinuationsAsynchronously);
Func <int> functionToCall = () => {
TargetView.Dispose();
var disposeRan = taskCompletionSourceDispose.Task.IsCompleted;
taskCompletionSourceFunction.SetResult(disposeRan);
return(1);
};
TargetView.RegisterJavascriptObject(DotNetObject, functionToCall);
await Load($"<html><script>function test() {{ {DotNetObject}.invoke(); while(true); return 1; }}</script><body></body></html>");
TargetView.Disposed += () => taskCompletionSourceDispose.SetResult(true);
var result = await TargetView.EvaluateScriptFunction <int>("test");
Assert.AreEqual(0, result, "Script evaluation should be cancelled and default value returned");
var disposed = await taskCompletionSourceFunction.Task;
Assert.IsFalse(disposed, "Dispose should have been scheduled");
disposed = await taskCompletionSourceDispose.Task;
Assert.IsTrue(disposed);
});
}
public async Task WebViewDisposeDoesNotBlockWhenHasPendingJSCalls()
{
await Run(async() => {
const string DotNetObject = "DotNetObject";
var taskCompletionSourceFunction = new TaskCompletionSource <bool>();
var taskCompletionSourceDispose = new TaskCompletionSource <bool>();
Func <int> functionToCall = () => {
TargetView.Dispose();
var disposeRan = taskCompletionSourceDispose.Task.IsCompleted;
taskCompletionSourceFunction.SetResult(disposeRan);
return(1);
};
TargetView.RegisterJavascriptObject(DotNetObject, functionToCall, executeCallsInUI: true);
await Load($"<html><script>function test() {{ {DotNetObject}.invoke(); return 1; }}</script><body></body></html>");
TargetView.Disposed += () => taskCompletionSourceDispose.SetResult(true);
TargetView.EvaluateScriptFunction <int>("test");
var disposed = await taskCompletionSourceFunction.Task;
Assert.IsFalse(disposed, "Dispose should have been scheduled");
disposed = await taskCompletionSourceDispose.Task;
Assert.IsTrue(disposed);
});
}
public void JsEvaluationReturnsDefaultValuesAfterWebViewDispose()
{
var disposeCalled = false;
LoadAndWaitReady("<html><script>function test() { return 1; }</script><body></body></html>");
TargetView.Disposed += () => disposeCalled = true;
TargetView.Dispose();
WaitFor(() => disposeCalled, DefaultTimeout);
var result = TargetView.EvaluateScriptFunction <int>("test");
Assert.IsTrue(disposeCalled);
Assert.AreEqual(result, 0);
}
public void DisposeDoesNotHang()
{
var disposed = false;
TargetView.Event += (args) => {
TargetView.Dispatcher.Invoke((() => {
TargetView.Dispose();
disposed = true;
}));
};
TargetView.ExecuteMethodOnRoot("callEvent");
WaitFor(() => disposed, TimeSpan.FromSeconds(10), "view disposed");
}
public async Task DisposeDoesNotHang()
{
await Run(async() => {
var taskCompletionSource = new TaskCompletionSource <bool>();
TargetView.Event += delegate {
Dispatcher.UIThread.InvokeAsync(() => {
TargetView.Dispose();
taskCompletionSource.SetResult(true);
}).Wait();
};
TargetView.ExecuteMethod("callEvent");
var eventCalled = await taskCompletionSource.Task;
Assert.IsTrue(eventCalled, "View was not disposed!");
});
}
public async Task JsEvaluationReturnsDefaultValuesAfterWebViewDispose()
{
await Run(async() => {
var taskCompletionSource = new TaskCompletionSource <bool>();
await Load("<html><script>function test() { return 1; }</script><body></body></html>");
TargetView.Disposed += () => {
taskCompletionSource.SetResult(true);
};
TargetView.Dispose();
var disposeCalled = await taskCompletionSource.Task;
var result = await TargetView.EvaluateScriptFunction <int>("test");
Assert.IsTrue(disposeCalled);
Assert.AreEqual(result, 0);
});
}
