/// <summary> Flag will be flipped to true if it was false, otherwise will return false </summary>
public static bool FlipToTrue(ref int flag)
{
AssertV2.IsTrue(flag == 0 || flag == 1, "int was not 0 or 1 but " + flag);
return(Interlocked.CompareExchange(ref flag, 1, 0) == 0);
}
private IEnumerator AssertNoVisualRegressionCoroutine(string id, StackTrace stacktrace)
{
id = EnvironmentV2.SanatizeToFileName(id);
if (id.IsNullOrEmpty())
{
throw new ArgumentNullException("Invalid ID passed");
}
var idFolder = GetFolderFor(id);
var oldImg = idFolder.GetChild(id + ".regression.jpg");
var newImg = idFolder.GetChild(id + ".jpg");
var backup = idFolder.GetChild(id + ".jpg.backup");
Config config = LoadConfigFor(id);
yield return(new WaitForEndOfFrame());
Texture2D screenShot = ScreenCapture.CaptureScreenshotAsTexture(config.screenshotUpscaleFactor);
// Texture2D screenShot = Camera.allCameras.CaptureScreenshot(); // Does not capture UI
if (newImg.Exists)
{
newImg.CopyToV2(backup, replaceExisting: false);
}
screenShot.SaveToJpgFile(newImg, config.screenshotQuality);
screenShot.Destroy();
var diffImg = CalculateDiffImage(oldImg, newImg, config.maxAllowedDiff, config.errorMetric);
if (diffImg != null)
{
var e = $"Visual diff to previous '{id}' detected! To approve an allowed visual change, delete '{oldImg.Name}'";
if (!config.customErrorMessage.IsNullOrEmpty())
{
e = config.customErrorMessage + "/n" + e;
}
var exeption = new Error(e, stacktrace);
if (config.throwAssertException)
{
throw exeption;
}
else if (config.logAsError)
{
Log.e(exeption);
}
else if (config.logAsWarning)
{
Log.w(e);
}
if (config.openExternallyOnAssertFail)
{
diffImg.Parent.OpenInExternalApp();
diffImg.OpenInExternalApp();
}
}
else // No difference between oldImg and newImg
// To prevent git from detecting invalid file changes:
{
if (backup.Exists) // If there is a backup of newImg..
{
newImg.DeleteV2(); // Remove the newly generated version ..
backup.Rename(newImg.Name, out FileEntry _); // and replace it with the backup
}
}
backup.DeleteV2(); // If a backup file was created during the process delete it
AssertV2.IsTrue(newImg.Exists, "newImg did not exist after AssertNoVisualChange done");
}
