public virtual void TestRenameNonexistentFile()
{
Describe("rename a file into a new file in the same directory");
Path missing = Path("testRenameNonexistentFileSrc");
Path target = Path("testRenameNonexistentFileDest");
bool renameReturnsFalseOnFailure = IsSupported(ContractOptions.RenameReturnsFalseIfSourceMissing
);
Mkdirs(missing.GetParent());
try
{
bool renamed = Rename(missing, target);
//expected an exception
if (!renameReturnsFalseOnFailure)
{
string destDirLS = GenerateAndLogErrorListing(missing, target);
NUnit.Framework.Assert.Fail("expected rename(" + missing + ", " + target + " ) to fail,"
+ " got a result of " + renamed + " and a destination directory of " + destDirLS
);
}
else
{
// at least one FS only returns false here, if that is the case
// warn but continue
GetLog().Warn("Rename returned {} renaming a nonexistent file", renamed);
NUnit.Framework.Assert.IsFalse("Renaming a missing file returned true", renamed);
}
}
catch (FileNotFoundException e)
{
if (renameReturnsFalseOnFailure)
{
ContractTestUtils.Fail("Renaming a missing file unexpectedly threw an exception",
e);
}
HandleExpectedException(e);
}
catch (IOException e)
{
HandleRelaxedException("rename nonexistent file", "FileNotFoundException", e);
}
AssertPathDoesNotExist("rename nonexistent file created a destination file", target
);
}
