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RegistryKey_DeleteSubKeyTree_str.cs
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RegistryKey_DeleteSubKeyTree_str.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Linq;
using Xunit;
namespace Microsoft.Win32.RegistryTests
{
public class RegistryKey_DeleteSubKeyTree_str : RegistryKeyDeleteSubKeyTreeTestsBase
{
[Fact]
public void NegativeTests()
{
const string name = "Test";
// Should throw if passed subkey name is null
Assert.Throws<ArgumentNullException>(() => TestRegistryKey.DeleteSubKeyTree(null));
// Should throw if target subkey is system subkey and name is empty
AssertExtensions.Throws<ArgumentException>(null, () => Registry.CurrentUser.DeleteSubKeyTree(string.Empty));
// Should throw because subkey doesn't exists
AssertExtensions.Throws<ArgumentException>(null, () => TestRegistryKey.DeleteSubKeyTree(name));
// Should throw because RegistryKey is readonly
using (var rk = TestRegistryKey.OpenSubKey(string.Empty, false))
{
Assert.Throws<UnauthorizedAccessException>(() => rk.DeleteSubKeyTree(name));
}
// Should throw if RegistryKey is closed
Assert.Throws<ObjectDisposedException>(() =>
{
TestRegistryKey.Dispose();
TestRegistryKey.DeleteSubKeyTree(name);
});
}
[Fact]
public void SelfDeleteTest()
{
using (var rk = TestRegistryKey.CreateSubKey(TestRegistryKeyName))
{
using RegistryKey created = rk.CreateSubKey(TestRegistryKeyName);
rk.DeleteSubKeyTree("");
}
Assert.Null(TestRegistryKey.OpenSubKey(TestRegistryKeyName));
}
[Fact]
public void SelfDeleteWithValuesTest()
{
using (var rk = TestRegistryKey.CreateSubKey(TestRegistryKeyName))
{
rk.SetValue("VAL", "Dummy", RegistryValueKind.String);
rk.SetDefaultValue("Default");
using RegistryKey created = rk.CreateSubKey(TestRegistryKeyName);
created.SetValue("Value", 42, RegistryValueKind.DWord);
rk.DeleteSubKeyTree("");
}
Assert.Null(TestRegistryKey.OpenSubKey(TestRegistryKeyName));
}
[Fact]
public void SelfDeleteWithValuesTest_AnotherHandlePresent()
{
using (var rk = TestRegistryKey.CreateSubKey(TestRegistryKeyName))
{
rk.SetValue("VAL", "Dummy", RegistryValueKind.String);
rk.SetDefaultValue("Default");
using RegistryKey created = rk.CreateSubKey(TestRegistryKeyName);
created.SetValue("Value", 42, RegistryValueKind.DWord);
using var rk2 = TestRegistryKey.OpenSubKey(TestRegistryKeyName);
rk.DeleteSubKeyTree("");
}
Assert.Null(TestRegistryKey.OpenSubKey(TestRegistryKeyName));
}
[Fact]
public void DeleteSubKeyTreeTest()
{
// Creating new SubKey and deleting it
using RegistryKey created = TestRegistryKey.CreateSubKey(TestRegistryKeyName);
using RegistryKey opened = TestRegistryKey.OpenSubKey(TestRegistryKeyName);
Assert.NotNull(opened);
TestRegistryKey.DeleteSubKeyTree(TestRegistryKeyName);
Assert.Null(TestRegistryKey.OpenSubKey(TestRegistryKeyName));
}
[Fact]
public void DeleteSubKeyTreeTest2()
{
// [] Add in multiple subkeys and then delete the root key
string[] subKeyNames = Enumerable.Range(1, 9).Select(x => "BLAH_" + x.ToString()).ToArray();
using (RegistryKey rk = TestRegistryKey.CreateSubKey(TestRegistryKeyName))
{
foreach (var subKeyName in subKeyNames)
{
using RegistryKey rk2 = rk.CreateSubKey(subKeyName);
Assert.NotNull(rk2);
using RegistryKey rk3 = rk2.CreateSubKey("Test");
Assert.NotNull(rk3);
}
Assert.Equal(subKeyNames, rk.GetSubKeyNames());
}
TestRegistryKey.DeleteSubKeyTree(TestRegistryKeyName);
Assert.Null(TestRegistryKey.OpenSubKey(TestRegistryKeyName));
}
[Fact]
public void DeleteSubKeyTreeTest3()
{
// [] Add in multiple subkeys and then delete the root key
string[] subKeyNames = Enumerable.Range(1, 9).Select(x => "BLAH_" + x.ToString()).ToArray();
using (RegistryKey rk = TestRegistryKey.CreateSubKey(TestRegistryKeyName))
{
foreach (var subKeyName in subKeyNames)
{
using RegistryKey rk2 = rk.CreateSubKey(subKeyName);
Assert.NotNull(rk2);
using RegistryKey rk3 = rk2.CreateSubKey("Test");
Assert.NotNull(rk3);
}
Assert.Equal(subKeyNames, rk.GetSubKeyNames());
// Add multiple values to the key being deleted
foreach (int i in Enumerable.Range(1, 9))
{
rk.SetValue("STRVAL_" + i, i.ToString(), RegistryValueKind.String);
rk.SetValue("INTVAL_" + i, i, RegistryValueKind.DWord);
}
}
TestRegistryKey.DeleteSubKeyTree(TestRegistryKeyName);
Assert.Null(TestRegistryKey.OpenSubKey(TestRegistryKeyName));
}
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void DeleteSubKeyTree_KeyExists_KeyDeleted(string expected, string subKeyName) =>
Verify_DeleteSubKeyTree_KeyExists_KeyDeleted(expected, () => TestRegistryKey.DeleteSubKeyTree(subKeyName));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void DeleteSubKeyTree_KeyDoesNotExists_Throws(string expected, string subKeyName) =>
Verify_DeleteSubKeyTree_KeyDoesNotExists_Throws(expected, () => TestRegistryKey.DeleteSubKeyTree(subKeyName));
}
}