public async Task AsyncLockWithValue_GetLockOrValueAsync_Canceled([Values(true, false)] bool async)
{
var alwv = new AsyncLockWithValue <int>();
var asyncLock = await alwv.GetLockOrValueAsync(async).ConfigureAwait(false);
var cts = new CancellationTokenSource();
var task = Task.Run(async() =>
{
using var secondLock = await alwv.GetLockOrValueAsync(async, cts.Token);
}, default);
public async Task AsyncLockWithValue_SetValueInCtor([Values(true, false)] bool async)
{
var alwv = new AsyncLockWithValue <int>(42);
Assert.IsTrue(alwv.HasValue);
Assert.IsTrue(alwv.TryGetValue(out var value));
Assert.AreEqual(42, value);
using var asyncLock = await alwv.GetLockOrValueAsync(async).ConfigureAwait(false);
Assert.IsTrue(asyncLock.HasValue);
Assert.AreEqual(42, asyncLock.Value);
}
public async Task AsyncLockWithValue_GetLockOrValueAsync([Values(true, false)] bool async)
{
var alwv = new AsyncLockWithValue <int>();
AsyncLockWithValue <int> .Lock asyncLock;
using (asyncLock = await alwv.GetLockOrValueAsync(async).ConfigureAwait(false))
{
Assert.IsFalse(asyncLock.HasValue);
asyncLock.SetValue(42);
}
using (asyncLock = await alwv.GetLockOrValueAsync(async).ConfigureAwait(false))
{
Assert.IsTrue(asyncLock.HasValue);
Assert.AreEqual(42, asyncLock.Value);
}
}
public async Task AsyncLockWithValue_ThrowOnValueOverride([Values(true, false)] bool async)
{
var alwv = new AsyncLockWithValue <int>();
AsyncLockWithValue <int> .LockOrValue asyncLock;
Assert.IsFalse(alwv.HasValue);
Assert.IsFalse(alwv.TryGetValue(out _));
using (asyncLock = await alwv.GetLockOrValueAsync(async).ConfigureAwait(false))
{
Assert.IsFalse(asyncLock.HasValue);
asyncLock.SetValue(42);
}
Assert.IsTrue(alwv.HasValue);
Assert.IsTrue(alwv.TryGetValue(out var value));
Assert.AreEqual(42, value);
using (asyncLock = await alwv.GetLockOrValueAsync(async).ConfigureAwait(false))
{
Assert.IsTrue(asyncLock.HasValue);
Assert.Throws <InvalidOperationException>(() => asyncLock.SetValue(6 * 9));
}
}
public LockOrValue(AsyncLockWithValue <T> owner, long index)
{
_owner = owner;
_index = index;
_value = default;
}
public LockOrValue(T value)
{
_owner = default;
_value = value;
_index = 0;
}
