public void FromResult_ReturnsCompletedOperation()
{
// Arrange
var result = 25;
// Act
var op = AsyncResult.FromResult(result);
// Assert
AssertCompletedWithResult(op, result);
Assert.True(op.CompletedSynchronously);
}
/// <summary>
/// Asynchronously loads a scene with the specified name.
/// </summary>
/// <param name="sceneName">Name of the scene to load.</param>
/// <param name="loadMode">The scene load mode.</param>
/// <returns>A <see cref="IAsyncOperation{TResult}"/> that can be used to track the operation progress.</returns>
public static IAsyncOperation <Scene> LoadSceneAsync(string sceneName, LoadSceneMode loadMode)
{
var scene = SceneManager.GetSceneByName(sceneName);
if (scene.isLoaded)
{
return(AsyncResult.FromResult(scene));
}
var result = new Helpers.SceneRequestResult(sceneName, loadMode);
result.Start();
return(result);
}
public async Task Unwrap_ReturnsInnerResult()
{
// Arrange
var op1 = AsyncResult.FromResult(1);
var op2 = AsyncResult.FromResult(op1);
// Act
var op = op2.Unwrap();
await op;
// Assert
Assert.True(op.IsCompletedSuccessfully);
Assert.Equal(1, op.Result);
}
public async Task Unwrap_SucceedsIfBothOperationsSucceed()
{
// Arrange
var op1 = AsyncResult.Delay(1);
var op2 = AsyncResult.FromResult(op1);
// Act
var op = op2.Unwrap();
await op;
// Assert
Assert.True(op.IsCompletedSuccessfully);
Assert.True(op1.IsCompleted);
Assert.True(op2.IsCompleted);
}
public async Task Unwrap_FailsIfInnerOperationFails()
{
// Arrange
var expectedException = new Exception();
var actualException = default(Exception);
var op1 = AsyncResult.FromException(expectedException);
var op2 = AsyncResult.FromResult(op1);
var op = op2.Unwrap();
// Act
try
{
await op;
}
catch (Exception e)
{
actualException = e;
}
// Assert
Assert.True(op.IsFaulted);
Assert.Equal(expectedException, actualException);
}
