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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.Collections;
using System.Text;
using System.Windows.Forms.TestUtilities;
namespace System.Resources.Tests;
public class ResXResourceReaderTests
{
[Fact]
public void ResXResourceReader_Deserialize_AxHost_FormatterEnabled_Throws()
{
using BinaryFormatterScope formatterScope = new(enable: true);
string resxPath = Path.GetFullPath(@".\Resources\AxHosts.resx");
using MemoryStream resourceStream = new();
// ResourceWriter Dispose calls Generate method which will throw.
Assert.Throws<PlatformNotSupportedException>(() =>
{
using ResourceWriter resourceWriter = new(resourceStream);
using ResXResourceReader resxReader = new(resxPath);
var enumerator = resxReader.GetEnumerator();
Assert.True(enumerator.MoveNext());
string key = enumerator.Key.ToString();
object value = enumerator.Value;
Assert.Equal("axWindowsMediaPlayer1.OcxState", key);
Assert.Equal(typeof(AxHost.State), value.GetType());
Assert.False(enumerator.MoveNext());
resourceWriter.AddResource(key, value);
// ResourceWriter no longer supports BinaryFormatter in core.
Assert.Throws<PlatformNotSupportedException>(resourceWriter.Generate);
});
}
[Fact]
public void ResXResourceReader_Deserialize_AxHost_FormatterDisabled_Throws()
{
using BinaryFormatterScope formatterScope = new(enable: false);
string resxPath = Path.GetFullPath(@".\Resources\AxHosts.resx");
using MemoryStream resourceStream = new();
using ResXResourceReader resxReader = new(resxPath);
Assert.Throws<ArgumentException>(resxReader.GetEnumerator);
}
[Fact]
public void ResXResourceReader_Constructor_FileName()
{
// Create a temp file and write the resx to it.
using TempFile tempFile = TempFile.Create(ResxHelper.CreateResx());
using ResXResourceReader resXReader = new(tempFile.Path);
IDictionaryEnumerator enumerator = resXReader.GetEnumerator();
Assert.NotNull(enumerator);
}
[Fact]
public void ResXResourceReader_Constructor_TextReader()
{
using TextReader textReader = new StringReader(ResxHelper.CreateResx());
using ResXResourceReader resXReader = new(textReader);
IDictionaryEnumerator enumerator = resXReader.GetEnumerator();
Assert.NotNull(enumerator);
}
[Fact]
public void ResXResourceReader_Constructor_Stream()
{
byte[] resxBytes = Encoding.UTF8.GetBytes(ResxHelper.CreateResx());
using Stream resxStream = new MemoryStream(resxBytes);
using ResXResourceReader resXReader = new(resxStream);
IDictionaryEnumerator enumerator = resXReader.GetEnumerator();
Assert.NotNull(enumerator);
}
[Fact]
public void ResXResourceReader_FromFileContents()
{
using var resXReader = ResXResourceReader.FromFileContents(ResxHelper.CreateResx());
IDictionaryEnumerator enumerator = resXReader.GetEnumerator();
Assert.NotNull(enumerator);
}
[Fact]
public void ResXResourceReader_GetEnumerator_String()
{
// Arrange
string keyName1 = "TestString";
string keyName2 = "TestString2";
string testValue1 = "TestValue1";
string testValue2 = "TestValue2";
IDictionary expectedData = new Hashtable { { keyName1, testValue1 }, { keyName2, testValue2 } };
string data = $"""
<data name="{keyName1}" xml:space="preserve">
<value>{testValue1}</value>
</data>
<data name="{keyName2}" xml:space="preserve">
<value>{testValue2}</value>
</data>
""";
// Act
using var resXReader = ResXResourceReader.FromFileContents(ResxHelper.CreateResx(data));
IDictionary actualData = new Hashtable();
IDictionaryEnumerator enumerator = resXReader.GetEnumerator();
while (enumerator.MoveNext())
{
actualData.Add(enumerator.Key, enumerator.Value);
}
// Assert
Assert.Equal(expectedData, actualData);
}
[Fact]
public void ResXResourceReader_GetEnumerator_Int()
{
// Arrange
string keyName = "TestNumber";
int testValue = 42;
IDictionary expectedData = new Hashtable { { keyName, testValue } };
string data = $"""
<data name="{keyName}" type="System.Int32">
<value>{testValue}</value>
</data>
""";
// Act
using var resXReader = ResXResourceReader.FromFileContents(ResxHelper.CreateResx(data));
IDictionary actualData = new Hashtable();
IDictionaryEnumerator enumerator = resXReader.GetEnumerator();
while (enumerator.MoveNext())
{
actualData.Add(enumerator.Key, enumerator.Value);
}
// Assert
Assert.Equal(expectedData, actualData);
}
[Fact]
public void GetMetadataEnumerator_ReturnsMetadataNodes()
{
// Arrange
string metadataName = "TestMetadata";
string sampleMetadataValue = "Sample metadata";
IDictionary expectedMetadata = new Hashtable { { metadataName, sampleMetadataValue } };
string metadata = $"""
<metadata name="{metadataName}" type="System.String">
<value>{sampleMetadataValue}</value>
</metadata>
""";
// Act
using ResXResourceReader resXReader = ResXResourceReader.FromFileContents(ResxHelper.CreateResx(metadata));
IDictionary actualMetadata = new Hashtable();
IDictionaryEnumerator metadataEnumerator = resXReader.GetMetadataEnumerator();
while (metadataEnumerator.MoveNext())
{
actualMetadata.Add(metadataEnumerator.Key, metadataEnumerator.Value);
}
// Assert
Assert.Equal(expectedMetadata, actualMetadata);
}
[Fact]
public void ResXResourceReader_GetEnumerator_UnknownType_ThowsException()
{
// Arrange
string unknownType = "System.XYZ";
string data = $"""
<data name="UnknownType" type="{unknownType}">
<value>UnknownValueType</value>
</data>
""";
// Act
using var resXReader = ResXResourceReader.FromFileContents(ResxHelper.CreateResx(data));
// Assert
ArgumentException exception = Assert.Throws<ArgumentException>(() => { IDictionaryEnumerator enumerator = resXReader.GetEnumerator(); });
Assert.Contains($"ResX file Type {unknownType} in the data", exception.Message);
}
[Fact]
public void ResXResourceReader_GetEnumerator_InvalidValue_ThowsException()
{
// Arrange
string keyName = "TestKey";
string testValue = "FortyTwo";
IDictionary expectedData = new Hashtable { { keyName, testValue } };
string data = $"""
<data name="{keyName}" type="System.Int32">
<value>{testValue}</value>
</data>
""";
// Act
using var resXReader = ResXResourceReader.FromFileContents(ResxHelper.CreateResx(data));
// Assert
ArgumentException exception = Assert.Throws<ArgumentException>(() =>
{
IDictionaryEnumerator enumerator = resXReader.GetEnumerator();
});
Assert.Contains($"ResX file {testValue} is not a valid value for Int32", exception.Message);
}
}
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