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Fixes #2013. Starting having MainLoopTests.InvokeLeakTest failure. (#2016)

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BDisp
2022-09-16 13:05:10 +00:00
committed by GitHub
parent d7e5996449
commit 7ce2109a46
1 changed files with 13 additions and 5 deletions
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18
UnitTests/MainLoopTests.cs
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@@ -527,14 +527,19 @@ namespace Terminal.Gui.Core {
// TODO: Add IMainLoop tests
volatile static int tbCounter = 0;
static ManualResetEventSlim _wakeUp = new ManualResetEventSlim (false);
private static void Launch (Random r, TextField tf)
private static void Launch (Random r, TextField tf, int target)
{
Task.Run (() => {
Thread.Sleep (r.Next (2, 4));
Application.MainLoop.Invoke (() => {
tf.Text = $"index{r.Next ()}";
Interlocked.Increment (ref tbCounter);
if (target == tbCounter) {
// On last increment wake up the check
_wakeUp.Set ();
}
});
});
}
@@ -542,16 +547,19 @@ namespace Terminal.Gui.Core {
private static void RunTest (Random r, TextField tf, int numPasses, int numIncrements, int pollMs)
{
for (int j = 0; j < numPasses; j++) {
_wakeUp.Reset ();
for (var i = 0; i < numIncrements; i++) {
Launch (r, tf);
Launch (r, tf, (j + 1) * numIncrements);
}
while (tbCounter != (j + 1) * numIncrements) // Wait for tbCounter to reach expected value
{
var tbNow = tbCounter;
Thread.Sleep (pollMs);
_wakeUp.Wait (pollMs);
if (tbCounter == tbNow) {
// No change after sleep: Idle handlers added via Application.MainLoop.Invoke have gone missing
// No change after wait: Idle handlers added via Application.MainLoop.Invoke have gone missing
Application.MainLoop.Invoke (() => Application.RequestStop ());
throw new TimeoutException (
$"Timeout: Increment lost. tbCounter ({tbCounter}) didn't " +
@@ -572,7 +580,7 @@ namespace Terminal.Gui.Core {
const int numPasses = 10;
const int numIncrements = 10000;
const int pollMs = 500;
const int pollMs = 20000;
var task = Task.Run (() => RunTest (r, tf, numPasses, numIncrements, pollMs));