public void TestNameHashing()
{
var key = new PostgresAdvisoryLockKey(new string('漢', 2 * PostgresAdvisoryLockKey.MaxAsciiLength), allowHashing: true);
Assert.IsTrue(key.HasSingleKey);
Assert.AreEqual(-5707277204051710361, key.Key);
AssertEquality(key, new PostgresAdvisoryLockKey(key.ToString()));
}
public void TestInt32PairConstruction()
{
var key = new PostgresAdvisoryLockKey(3, -1);
Assert.IsFalse(key.HasSingleKey);
Assert.AreEqual((3, -1), key.Keys);
Assert.AreEqual("00000003,ffffffff", key.ToString());
AssertEquality(key, new PostgresAdvisoryLockKey(key.ToString()));
}
public void TestInt64Construction()
{
var key = new PostgresAdvisoryLockKey(1);
Assert.IsTrue(key.HasSingleKey);
Assert.AreEqual(1L, key.Key);
Assert.AreEqual("0000000000000001", key.ToString());
AssertEquality(key, new PostgresAdvisoryLockKey(key.ToString()));
}
private static PostgresAdvisoryLockKey AssertRoundTrips(string name)
{
var key1 = new PostgresAdvisoryLockKey(name);
var key2 = new PostgresAdvisoryLockKey(key1.ToString());
var key3 = new PostgresAdvisoryLockKey(name, allowHashing: true);
AssertEquality(key1, key2);
AssertEquality(key1, key3);
Assert.AreEqual(key1.ToString(), key2.ToString());
Assert.AreEqual(key1.ToString(), key3.ToString());
return(key1);
}
private static void AssertEquality(PostgresAdvisoryLockKey a, PostgresAdvisoryLockKey b)
{
Assert.AreEqual(a, b);
Assert.IsTrue(a == b);
Assert.IsFalse(a != b);
Assert.AreEqual(a.GetHashCode(), b.GetHashCode());
if (a.HasSingleKey)
{
Assert.AreEqual(a.Key, b.Key);
}
else
{
Assert.AreEqual(a.Keys, b.Keys);
}
}
public async Task TestInt64AndInt32PairKeyNamespacesAreDifferent()
{
var connectionString = TestingPostgresDb.ConnectionString;
var key1 = new PostgresAdvisoryLockKey(0);
var key2 = new PostgresAdvisoryLockKey(0, 0);
var @lock1 = new PostgresDistributedLock(key1, connectionString);
var @lock2 = new PostgresDistributedLock(key2, connectionString);
using var handle1 = await lock1.TryAcquireAsync();
Assert.IsNotNull(handle1);
using var handle2 = await lock2.TryAcquireAsync();
Assert.IsNotNull(handle2);
}
