public async Task Throw_ArgumentEx_When_File_DoesNot_Exist()
{
// Arrange
var test = new TestContainer();
const string FilePath = @"some\file\path.vhd";
test.FileSystem.Setup(m => m.FileExists(It.IsAny <string>())).Returns(true);
test.FileSystem.Setup(m => m.FileExists(FilePath)).Returns(false);
IDiskUuidGetter getter = test.RegisterAll().Resolve <DiskUuidGetter>();
// Act
var ex = await TestAssistant.CatchExceptionAsync(getter.GetDiskUuidAsync(FilePath));
// Assert
Assert.IsNotNull(ex);
Assert.IsTrue(ex is ArgumentException);
}
