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//
// Microsoft.VisualBasic.* Test Cases
//
// Authors:
// Gert Driesen (drieseng@users.sourceforge.net)
//
// (c) 2005 Novell
//
using System;
using System.Globalization;
using System.IO;
using System.Text;
using System.CodeDom;
using System.CodeDom.Compiler;
using NUnit.Framework;
namespace MonoTests.Microsoft.VisualBasic
{
[TestFixture]
public class CodeGeneratorFromCompileUnitTest : CodeGeneratorTestBase
{
string codeUnitHeader = "";
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");
Assert.AreEqual ("", Generate ());
}
[Test]
public void SimpleNamespaceTest ()
{
CodeNamespace ns = new CodeNamespace ("A");
codeUnit.Namespaces.Add (ns);
Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
"{0}Namespace A{0}End Namespace{0}", NewLine), Generate ());
}
[Test]
public void ReferenceAndSimpleNamespaceTest()
{
CodeNamespace ns = new CodeNamespace ("A");
codeUnit.Namespaces.Add (ns);
codeUnit.ReferencedAssemblies.Add ("using System;");
Assert.AreEqual (string.Format (CultureInfo.InvariantCulture,
"{0}Namespace A{0}End Namespace{0}", NewLine), 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}", 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 ("<Assembly: A(A1:=false, A2:=true, true, false)> " +
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}", 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}End "
+ "Namespace{0}", NewLine), Generate ());
}
[Test]
public void CodeSnippetTest ()
{
StringBuilder sb = new StringBuilder();
sb.Append ("Public Class Test1");
sb.Append (Environment.NewLine);
sb.Append ("End Class");
StringWriter writer = new StringWriter ();
writer.NewLine = NewLine;
codeUnit = new CodeSnippetCompileUnit (sb.ToString ());
generator.GenerateCodeFromCompileUnit (codeUnit, writer, options);
writer.Close ();
Assert.AreEqual (sb.ToString () + NewLine, writer.ToString());
}
[Test]
public void ExternalSourceTest ()
{
CodeSnippetCompileUnit snippet;
StringBuilder sb = new StringBuilder();
sb.Append ("\n");
sb.Append ("#ExternalSource(\"file.vb\",123)");
sb.Append ("\n");
sb.Append ("\n");
sb.Append ("\n");
sb.Append ("#End ExternalSource");
sb.Append ("\n");
StringWriter writer = new StringWriter ();
writer.NewLine = NewLine;
codeUnit = new CodeSnippetCompileUnit ("");
snippet = (CodeSnippetCompileUnit) codeUnit;
snippet.LinePragma = new CodeLinePragma ("file.vb", 123);
generator.GenerateCodeFromCompileUnit (codeUnit, writer, options);
writer.Close ();
Assert.AreEqual (sb.ToString (), writer.ToString());
}
}
}
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