public static void SafeNCryptKeyHandle_ValidKey_ParentHandle_KeptAlive()
{
// NCryptFreeObject will check dwMagic values to determine what kind of object
// it was given. Since we don't really want to leak a key in this test we'll
// track a test-local buffer.
IntPtr fakeKeyPtr = Marshal.AllocHGlobal(512);
try
{
Marshal.WriteInt32(fakeKeyPtr, 0);
using (SafeHandle parentHandle = new StateInformingSafeHandle())
{
using (var keyHandle = new SafeNCryptKeyHandle(fakeKeyPtr, parentHandle))
{
Assert.False(parentHandle.IsInvalid, "After ctor, parentHandle.IsInvalid");
Assert.False(parentHandle.IsClosed, "After ctor, parentHandle.IsClosed");
parentHandle.Dispose();
Assert.False(parentHandle.IsInvalid, "After parentHandle.Dispose, parentHandle.IsInvalid");
Assert.False(parentHandle.IsClosed, "After parentHandle.Dispose, parentHandle.IsClosed");
}
Assert.True(parentHandle.IsInvalid, "After keyHandle.Dispose, parentHandle.IsInvalid");
Assert.True(parentHandle.IsClosed, "After keyHandle.Dispose, parentHandle.IsClosed");
}
}
finally
{
Marshal.FreeHGlobal(fakeKeyPtr);
}
}
public static void SafeNCryptKeyHandle_ParentHandle_Invalid()
{
Assert.Throws <ArgumentNullException>(() => new SafeNCryptKeyHandle(IntPtr.Zero, null));
using (SafeHandle openButInvalid = new StateInformingSafeHandle(false))
using (SafeHandle closedAndInvalid = new StateInformingSafeHandle())
using (SafeHandle closedButValid = new StateInformingSafeHandle(true, false))
{
closedAndInvalid.Dispose();
closedButValid.Dispose();
// Preconditions.
Assert.False(openButInvalid.IsClosed, "openButInvalid.IsClosed");
Assert.True(openButInvalid.IsInvalid, "openButInvalid.IsInvalid");
Assert.True(closedButValid.IsClosed, "closedButValid.IsClosed");
Assert.False(closedButValid.IsInvalid, "closedButValid.IsInvalid");
Assert.True(closedAndInvalid.IsClosed, "closedAndInvalid.IsClosed");
Assert.True(closedAndInvalid.IsInvalid, "closedAndInvalid.IsInvalid");
// Tests
AssertExtensions.Throws <ArgumentException>("parentHandle", () => new SafeNCryptKeyHandle(IntPtr.Zero, openButInvalid));
AssertExtensions.Throws <ArgumentException>("parentHandle", () => new SafeNCryptKeyHandle(IntPtr.Zero, closedButValid));
AssertExtensions.Throws <ArgumentException>("parentHandle", () => new SafeNCryptKeyHandle(IntPtr.Zero, closedAndInvalid));
}
}
public static void SafeNCryptKeyHandle_ParentHandle_Invalid()
{
Assert.Throws<ArgumentNullException>(() => new SafeNCryptKeyHandle(IntPtr.Zero, null));
using (SafeHandle openButInvalid = new StateInformingSafeHandle(false))
using (SafeHandle closedAndInvalid = new StateInformingSafeHandle())
using (SafeHandle closedButValid = new StateInformingSafeHandle(true, false))
{
closedAndInvalid.Dispose();
closedButValid.Dispose();
// Preconditions.
Assert.False(openButInvalid.IsClosed, "openButInvalid.IsClosed");
Assert.True(openButInvalid.IsInvalid, "openButInvalid.IsInvalid");
Assert.True(closedButValid.IsClosed, "closedButValid.IsClosed");
Assert.False(closedButValid.IsInvalid, "closedButValid.IsInvalid");
Assert.True(closedAndInvalid.IsClosed, "closedAndInvalid.IsClosed");
Assert.True(closedAndInvalid.IsInvalid, "closedAndInvalid.IsInvalid");
// Tests
Assert.Throws<ArgumentException>(() => new SafeNCryptKeyHandle(IntPtr.Zero, openButInvalid));
Assert.Throws<ArgumentException>(() => new SafeNCryptKeyHandle(IntPtr.Zero, closedButValid));
Assert.Throws<ArgumentException>(() => new SafeNCryptKeyHandle(IntPtr.Zero, closedAndInvalid));
}
}
public static void SafeNCryptKeyHandle_InvalidKey_ParentHandle_NotKeptAlive()
{
using (SafeHandle parentHandle = new StateInformingSafeHandle())
using (var keyHandle = new SafeNCryptKeyHandle(IntPtr.Zero, parentHandle))
{
Assert.False(parentHandle.IsInvalid, "After ctor, parentHandle.IsInvalid");
Assert.False(parentHandle.IsClosed, "After ctor, parentHandle.IsClosed");
parentHandle.Dispose();
Assert.True(parentHandle.IsInvalid, "After parentHandle.Dispose, parentHandle.IsInvalid");
Assert.True(parentHandle.IsClosed, "After parentHandle.Dispose, parentHandle.IsClosed");
}
}
public static void SafeNCryptKeyHandle_InvalidKey_ParentHandle_NotKeptAlive()
{
using (SafeHandle parentHandle = new StateInformingSafeHandle())
using (var keyHandle = new SafeNCryptKeyHandle(IntPtr.Zero, parentHandle))
{
Assert.False(parentHandle.IsInvalid, "After ctor, parentHandle.IsInvalid");
Assert.False(parentHandle.IsClosed, "After ctor, parentHandle.IsClosed");
parentHandle.Dispose();
Assert.True(parentHandle.IsInvalid, "After parentHandle.Dispose, parentHandle.IsInvalid");
Assert.True(parentHandle.IsClosed, "After parentHandle.Dispose, parentHandle.IsClosed");
}
}
public static void SafeNCryptKeyHandle_ValidKey_ParentHandle_KeptAlive()
{
// NCryptFreeObject will check dwMagic values to determine what kind of object
// it was given. Since we don't really want to leak a key in this test we'll
// track a test-local buffer.
IntPtr fakeKeyPtr = Marshal.AllocHGlobal(512);
try
{
Marshal.WriteInt32(fakeKeyPtr, 0);
using (SafeHandle parentHandle = new StateInformingSafeHandle())
{
using (var keyHandle = new SafeNCryptKeyHandle(fakeKeyPtr, parentHandle))
{
Assert.False(parentHandle.IsInvalid, "After ctor, parentHandle.IsInvalid");
Assert.False(parentHandle.IsClosed, "After ctor, parentHandle.IsClosed");
parentHandle.Dispose();
Assert.False(parentHandle.IsInvalid, "After parentHandle.Dispose, parentHandle.IsInvalid");
Assert.False(parentHandle.IsClosed, "After parentHandle.Dispose, parentHandle.IsClosed");
}
Assert.True(parentHandle.IsInvalid, "After keyHandle.Dispose, parentHandle.IsInvalid");
Assert.True(parentHandle.IsClosed, "After keyHandle.Dispose, parentHandle.IsClosed");
}
}
finally
{
Marshal.FreeHGlobal(fakeKeyPtr);
}
}
