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RegistryKey_CreateSubKey_str_rkpc.cs
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RegistryKey_CreateSubKey_str_rkpc.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.IO;
using System.Linq;
using System.Security.AccessControl;
using Xunit;
namespace Microsoft.Win32.RegistryTests
{
public class RegistryKey_CreateSubKey_str_rkpc : RegistryKeyCreateSubKeyTestsBase
{
[Fact]
public void CreateWriteableSubkeyAndWrite()
{
// [] Vanilla; create a new subkey in read/write mode and write to it
const string testValueName = "TestValue";
const string testStringValueName = "TestString";
const string testStringValue = "Hello World!\u2020\u00FE";
const int testValue = 42;
using (var rk = TestRegistryKey.CreateSubKey(TestRegistryKeyName, writable: true))
{
Assert.NotNull(rk);
rk.SetValue(testValueName, testValue);
Assert.Equal(1, rk.ValueCount);
rk.SetValue(testStringValueName, testStringValue);
Assert.Equal(2, rk.ValueCount);
Assert.Equal(testValue, rk.GetValue(testValueName));
Assert.Equal(testStringValue, rk.GetValue(testStringValueName).ToString());
}
}
[Fact]
public void CreateReadWritePermissionCheckSubKeyAndWrite()
{
// [] Vanilla; create a new subkey in read/write mode and write to it
const string testValueName = "TestValue";
const string testStringValueName = "TestString";
const string testStringValue = "Hello World!\u2020\u00FE";
const int testValue = 42;
using (var rk = TestRegistryKey.CreateSubKey(TestRegistryKeyName, RegistryKeyPermissionCheck.ReadWriteSubTree))
{
Assert.NotNull(rk);
rk.SetValue(testValueName, testValue);
Assert.Equal(1, rk.ValueCount);
rk.SetValue(testStringValueName, testStringValue);
Assert.Equal(2, rk.ValueCount);
Assert.Equal(testValue, rk.GetValue(testValueName));
Assert.Equal(testStringValue, rk.GetValue(testStringValueName).ToString());
}
}
[Fact]
public void NegativeTests()
{
// Should throw if passed subkey name is null
Assert.Throws<ArgumentNullException>(() => TestRegistryKey.CreateSubKey(null, true));
Assert.Throws<ArgumentNullException>(() => TestRegistryKey.CreateSubKey(null, RegistryKeyPermissionCheck.ReadWriteSubTree));
Assert.Throws<ArgumentNullException>(() => TestRegistryKey.CreateSubKey(null, RegistryKeyPermissionCheck.ReadWriteSubTree, new RegistrySecurity()));
Assert.Throws<ArgumentNullException>(() => TestRegistryKey.CreateSubKey(null, RegistryKeyPermissionCheck.ReadWriteSubTree, new RegistryOptions()));
Assert.Throws<ArgumentNullException>(() => TestRegistryKey.CreateSubKey(null, RegistryKeyPermissionCheck.ReadWriteSubTree, new RegistryOptions(), new RegistrySecurity()));
// Should throw if passed option is invalid
AssertExtensions.Throws<ArgumentException>("options", () => TestRegistryKey.CreateSubKey(TestRegistryKeyName, true, options: (RegistryOptions)(-1)));
AssertExtensions.Throws<ArgumentException>("options", () => TestRegistryKey.CreateSubKey(TestRegistryKeyName, true, options: (RegistryOptions)3));
AssertExtensions.Throws<ArgumentException>("options", () => TestRegistryKey.CreateSubKey(TestRegistryKeyName, RegistryKeyPermissionCheck.ReadWriteSubTree, (RegistryOptions)(-1)));
AssertExtensions.Throws<ArgumentException>("options", () => TestRegistryKey.CreateSubKey(TestRegistryKeyName, RegistryKeyPermissionCheck.ReadWriteSubTree, (RegistryOptions)3));
AssertExtensions.Throws<ArgumentException>("options", () => TestRegistryKey.CreateSubKey(TestRegistryKeyName, RegistryKeyPermissionCheck.ReadWriteSubTree, (RegistryOptions)(-1), new RegistrySecurity()));
AssertExtensions.Throws<ArgumentException>("options", () => TestRegistryKey.CreateSubKey(TestRegistryKeyName, RegistryKeyPermissionCheck.ReadWriteSubTree, (RegistryOptions)3, new RegistrySecurity()));
// Should throw if key length above 255 characters
const int maxValueNameLength = 255;
AssertExtensions.Throws<ArgumentException>("name", null, () => TestRegistryKey.CreateSubKey(new string('a', maxValueNameLength + 1)));
// Should throw if RegistryKey is readonly
const string name = "FooBar";
TestRegistryKey.SetValue(name, 42);
using (var rk = Registry.CurrentUser.CreateSubKey(TestRegistryKeyName, writable: false, options: RegistryOptions.None))
{
Assert.Throws<UnauthorizedAccessException>(() => rk.CreateSubKey(name));
Assert.Throws<UnauthorizedAccessException>(() => rk.SetValue(name, "String"));
Assert.Throws<UnauthorizedAccessException>(() => rk.DeleteValue(name));
Assert.Throws<UnauthorizedAccessException>(() => rk.DeleteSubKey(name));
Assert.Throws<UnauthorizedAccessException>(() => rk.DeleteSubKeyTree(name));
}
using (var rk = Registry.CurrentUser.CreateSubKey(TestRegistryKeyName, RegistryKeyPermissionCheck.ReadSubTree, RegistryOptions.None))
{
Assert.Throws<UnauthorizedAccessException>(() => rk.CreateSubKey(name));
Assert.Throws<UnauthorizedAccessException>(() => rk.SetValue(name, "String"));
Assert.Throws<UnauthorizedAccessException>(() => rk.DeleteValue(name));
Assert.Throws<UnauthorizedAccessException>(() => rk.DeleteSubKey(name));
Assert.Throws<UnauthorizedAccessException>(() => rk.DeleteSubKeyTree(name));
}
// Should throw if RegistryKey closed
Assert.Throws<ObjectDisposedException>(() =>
{
TestRegistryKey.Dispose();
TestRegistryKey.CreateSubKey(TestRegistryKeyName, true);
});
}
[Fact]
public void CreateWritableSubkeyWithEmptyName()
{
// [] Let the name of the created subkey be empty
string expectedName = TestRegistryKey.Name + @"\";
using (var rk = TestRegistryKey.CreateSubKey(string.Empty, true))
{
Assert.NotNull(rk);
Assert.Equal(expectedName, rk.Name);
}
}
[Fact]
public void CreateReadWritePermissionCheckSubkeyWithEmptyName()
{
// [] Let the name of the created subkey be empty
string expectedName = TestRegistryKey.Name + @"\";
using (var rk = TestRegistryKey.CreateSubKey(string.Empty, RegistryKeyPermissionCheck.ReadWriteSubTree))
{
Assert.NotNull(rk);
Assert.Equal(expectedName, rk.Name);
}
}
[Theory]
[InlineData(false, RegistryOptions.Volatile)]
[InlineData(true, RegistryOptions.Volatile)]
[InlineData(false, RegistryOptions.None)]
[InlineData(true, RegistryOptions.None)]
public void RegistryOptionsTestsValid(bool alreadyExists, RegistryOptions options)
{
string subkey = "TEST_" + options.ToString();
if (alreadyExists)
{
TestRegistryKey.CreateSubKey(subkey, true, options).Dispose();
}
using RegistryKey created = TestRegistryKey.CreateSubKey(subkey, true, options);
Assert.NotNull(created);
}
[Theory]
[InlineData(false, RegistryOptions.Volatile)]
[InlineData(true, RegistryOptions.Volatile)]
[InlineData(false, RegistryOptions.None)]
[InlineData(true, RegistryOptions.None)]
public void ReadWritePermissionCheckWithRegistryOptionsTestsValid(bool alreadyExists, RegistryOptions options)
{
string subkey = "TEST_" + options.ToString();
if (alreadyExists)
{
TestRegistryKey.CreateSubKey(subkey, RegistryKeyPermissionCheck.ReadWriteSubTree, options).Dispose();
}
using RegistryKey created = TestRegistryKey.CreateSubKey(subkey, RegistryKeyPermissionCheck.ReadWriteSubTree, options);
Assert.NotNull(created);
}
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_Writable_KeyExists_OpensKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyExists_OpensKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, writable: true));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_ReadWritePermissionCheck_KeyExists_OpensKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyExists_OpensKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, RegistryKeyPermissionCheck.ReadWriteSubTree));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_NonWritable_KeyExists_OpensKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyExists_OpensKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, writable: false));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_DefaultPermissionCheck_KeyExists_OpensKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyExists_OpensKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, RegistryKeyPermissionCheck.Default));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_ReadPermissionCheck_KeyExists_OpensKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyExists_OpensKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, RegistryKeyPermissionCheck.ReadSubTree));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_Writable_KeyDoesNotExist_CreatesKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyDoesNotExist_CreatesKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, writable: true));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_ReadWritePermissionCheck_KeyDoesNotExist_CreatesKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyDoesNotExist_CreatesKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, RegistryKeyPermissionCheck.ReadWriteSubTree));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_NonWritable_KeyDoesNotExist_CreatesKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyDoesNotExist_CreatesKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, writable: false));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_DefaultPermissionCheck_KeyDoesNotExist_CreatesKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyDoesNotExist_CreatesKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, RegistryKeyPermissionCheck.Default));
[Theory]
[MemberData(nameof(TestRegistrySubKeyNames))]
public void CreateSubKey_ReadPermissionCheck_KeyDoesNotExist_CreatesKeyWithFixedUpName(string expected, string subKeyName) =>
Verify_CreateSubKey_KeyDoesNotExist_CreatesKeyWithFixedUpName(expected, () => TestRegistryKey.CreateSubKey(subKeyName, RegistryKeyPermissionCheck.ReadSubTree));
}
}