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//
// Microsoft.CSharp.* Test Cases
//
// Authors:
// Erik LeBel (eriklebel@yahoo.ca)
//
// (c) 2003 Erik LeBel
//
using System;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Globalization;
using System.IO;
using System.Text;
using NUnit.Framework;
namespace MonoTests.Microsoft.CSharp
{
/// <summary>
/// Test ICodeGenerator's GenerateCodeFromCompileUnit, along with a
/// minimal set CodeDom components.
/// </summary>
[TestFixture]
public class CodeGeneratorFromCompileUnitTest : CodeGeneratorTestBase
{
private string codeUnitHeader = "";
private CodeCompileUnit codeUnit = null;
public CodeGeneratorFromCompileUnitTest ()
{
Init();
codeUnitHeader = Generate ();
}
[SetUp]
public void Init ()
{
InitBase ();
codeUnit = new CodeCompileUnit ();
}
protected override string Generate (CodeGeneratorOptions options)
{
StringWriter writer = new StringWriter ();
writer.NewLine = NewLine;
generator.GenerateCodeFromCompileUnit (codeUnit, writer, options);
writer.Close ();
return writer.ToString ().Substring (codeUnitHeader.Length);
}
[Test]
public void DefaultCodeUnitTest ()
{
Assert.AreEqual ("", Generate ());
}
[Test]
[ExpectedException (typeof (NullReferenceException))]
public void NullCodeUnitTest ()
{
codeUnit = null;
Generate ();
}
[Test]
public void ReferencedTest ()
{
codeUnit.ReferencedAssemblies.Add ("System.dll");
Assertion.AssertEquals ("", Generate ());
}
[Test]
public void SimpleNamespaceTest ()
{
string code = null;
CodeNamespace ns = new CodeNamespace ("A");
codeUnit.Namespaces.Add (ns);
code = Generate ();
Assert.AreEqual ("namespace A {\n \n}\n", code, "#1");
CodeGeneratorOptions options = new CodeGeneratorOptions ();
options.BracingStyle = "C";
code = Generate (options);
Assert.AreEqual ("namespace A\n{\n \n}\n", code, "#2");
}
[Test]
public void ReferenceAndSimpleNamespaceTest()
{
CodeNamespace ns = new CodeNamespace ("A");
codeUnit.Namespaces.Add (ns);
codeUnit.ReferencedAssemblies.Add ("using System;");
Assert.AreEqual ("namespace A {\n \n}\n", Generate ());
}
[Test]
public void SimpleAttributeTest ()
{
CodeAttributeDeclaration attrDec = new CodeAttributeDeclaration ();
attrDec.Name = "A";
codeUnit.AssemblyCustomAttributes.Add (attrDec);
Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
"[assembly: A()]{0}{0}", NewLine), Generate ());
}
[Test]
public void AttributeWithValueTest ()
{
CodeAttributeDeclaration attrDec = new CodeAttributeDeclaration ();
attrDec.Name = "A";
attrDec.Arguments.Add (new CodeAttributeArgument ("A1",
new CodePrimitiveExpression (false)));
attrDec.Arguments.Add (new CodeAttributeArgument ("A2",
new CodePrimitiveExpression (true)));
// null name should not be output
attrDec.Arguments.Add (new CodeAttributeArgument (null,
new CodePrimitiveExpression (true)));
// zero length name should not be output
attrDec.Arguments.Add (new CodeAttributeArgument (string.Empty,
new CodePrimitiveExpression (false)));
codeUnit.AssemblyCustomAttributes.Add (attrDec);
Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
"[assembly: A(A1=false, A2=true, true, false)]{0}{0}", NewLine),
Generate ());
}
[Test]
public void MultipleAttributeTest ()
{
CodeAttributeDeclaration attrDec = new CodeAttributeDeclaration ();
attrDec.Name = "A";
codeUnit.AssemblyCustomAttributes.Add (attrDec);
attrDec = new CodeAttributeDeclaration ();
attrDec.Name = "B";
codeUnit.AssemblyCustomAttributes.Add (attrDec);
Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
"[assembly: A()]{0}[assembly: B()]{0}{0}", NewLine),
Generate ());
}
[Test]
public void AttributeAndSimpleNamespaceTest ()
{
CodeNamespace ns = new CodeNamespace ("A");
codeUnit.Namespaces.Add (ns);
CodeAttributeDeclaration attrDec = new CodeAttributeDeclaration ();
attrDec.Name = "A";
codeUnit.AssemblyCustomAttributes.Add (attrDec);
attrDec = new CodeAttributeDeclaration ();
attrDec.Name = "B";
codeUnit.AssemblyCustomAttributes.Add (attrDec);
Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
"[assembly: A()]{0}[assembly: B()]{0}{0}namespace A {{{0} {0}"
+ "}}{0}", NewLine), Generate ());
}
[Test]
public void CodeSnippetTest ()
{
StringWriter writer = new StringWriter ();
writer.NewLine = NewLine;
codeUnit = new CodeSnippetCompileUnit ("public class Test1 {}");
generator.GenerateCodeFromCompileUnit (codeUnit, writer, options);
writer.Close ();
Assert.AreEqual ("public class Test1 {}" + writer.NewLine, writer.ToString ());
}
}
}
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