544 lines
19 KiB
C#
544 lines
19 KiB
C#
//
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// Microsoft.CSharp.* Test Cases
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//
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// Authors:
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// Erik LeBel (eriklebel@yahoo.ca)
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//
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// (c) 2003 Erik LeBel
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//
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using System;
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using System.CodeDom;
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using System.CodeDom.Compiler;
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using System.Globalization;
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using System.IO;
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using System.Text;
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using Microsoft.CSharp;
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using NUnit.Framework;
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namespace MonoTests.Microsoft.CSharp
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{
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/// <summary>
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/// Test ICodeGenerator's GenerateCodeFromExpression, along with a
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/// minimal set CodeDom components.
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/// </summary>
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[TestFixture]
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public class CodeGeneratorFromExpressionTest
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{
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private CSharpCodeProvider provider;
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private ICodeGenerator generator;
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private CodeGeneratorOptions options;
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[SetUp]
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public void SetUp ()
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{
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provider = new CSharpCodeProvider ();
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generator = provider.CreateGenerator ();
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options = new CodeGeneratorOptions ();
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}
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[Test]
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public void DefaultExpressionTest ()
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{
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using (StringWriter sw = new StringWriter ()) {
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try {
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Generate (new CodeExpression (), sw);
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Assert.Fail ("#1");
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} catch (ArgumentException ex) {
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// Element type System.CodeDom.CodeExpression is not supported
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Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#2");
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Assert.IsNull (ex.InnerException, "#3");
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Assert.IsNotNull (ex.Message, "#4");
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Assert.AreEqual ("e", ex.ParamName, "#5");
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}
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}
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}
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[Test]
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public void NullExpressionTest ()
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{
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using (StringWriter sw = new StringWriter ()) {
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try {
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Generate (null, sw);
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Assert.Fail ("#1");
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} catch (ArgumentNullException ex) {
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Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
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Assert.IsNull (ex.InnerException, "#3");
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Assert.IsNotNull (ex.Message, "#4");
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Assert.AreEqual ("e", ex.ParamName, "#5");
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}
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}
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}
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[Test]
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public void TypeReferenceExpressionTest ()
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{
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("bool", Generate (new CodeTypeReferenceExpression (typeof (bool)), sw), "#1");
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sb.Length = 0;
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Assert.AreEqual ("char", Generate (new CodeTypeReferenceExpression (typeof (char)), sw), "#2");
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sb.Length = 0;
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Assert.AreEqual (typeof(DateTime).FullName, Generate (new CodeTypeReferenceExpression (typeof (DateTime)), sw), "#3");
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sb.Length = 0;
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Assert.AreEqual ("short", Generate (new CodeTypeReferenceExpression (typeof (short)), sw), "#4");
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sb.Length = 0;
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Assert.AreEqual ("int", Generate (new CodeTypeReferenceExpression (typeof (int)), sw), "#5");
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sb.Length = 0;
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Assert.AreEqual ("long", Generate (new CodeTypeReferenceExpression (typeof (long)), sw), "#6");
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sb.Length = 0;
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Assert.AreEqual ("object", Generate (new CodeTypeReferenceExpression (typeof (object)), sw), "#7");
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sb.Length = 0;
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Assert.AreEqual ("void", Generate (new CodeTypeReferenceExpression (typeof (void)), sw), "#8");
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sb.Length = 0;
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Assert.AreEqual ("void", Generate (new CodeTypeReferenceExpression ((string) null), sw), "#9");
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sb.Length = 0;
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Assert.AreEqual ("void", Generate (new CodeTypeReferenceExpression (""), sw), "#10");
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sb.Length = 0;
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Assert.AreEqual ("byte", Generate (new CodeTypeReferenceExpression (typeof (byte)), sw), "#11");
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sb.Length = 0;
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Assert.AreEqual ("decimal", Generate (new CodeTypeReferenceExpression (typeof (decimal)), sw), "#12");
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sb.Length = 0;
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Assert.AreEqual ("double", Generate (new CodeTypeReferenceExpression (typeof (double)), sw), "#13");
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sb.Length = 0;
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Assert.AreEqual ("sbyte", Generate (new CodeTypeReferenceExpression (typeof (sbyte)), sw), "#14");
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sb.Length = 0;
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Assert.AreEqual ("ushort", Generate (new CodeTypeReferenceExpression (typeof (ushort)), sw), "#15");
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sb.Length = 0;
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Assert.AreEqual ("uint", Generate (new CodeTypeReferenceExpression (typeof (uint)), sw), "#16");
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sb.Length = 0;
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Assert.AreEqual ("ulong", Generate (new CodeTypeReferenceExpression (typeof (ulong)), sw), "#17");
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sb.Length = 0;
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Assert.AreEqual ("float", Generate (new CodeTypeReferenceExpression (typeof (float)), sw), "#18");
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sb.Length = 0;
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sw.Close ();
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}
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}
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[Test]
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public void PrimitiveExpressionTest ()
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{
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("null", Generate (new CodePrimitiveExpression (null), sw), "#1");
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sb.Length = 0;
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Assert.AreEqual ("\"AB\\\"C\"", Generate (new CodePrimitiveExpression ("AB\"C"), sw), "#2");
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sb.Length = 0;
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Assert.AreEqual ("5", Generate (new CodePrimitiveExpression ((byte) 5), sw), "#4");
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sb.Length = 0;
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Assert.AreEqual ("20", Generate (new CodePrimitiveExpression ((short) 20), sw), "#5");
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sb.Length = 0;
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Assert.AreEqual ("243", Generate (new CodePrimitiveExpression (243), sw), "#6");
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sb.Length = 0;
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Assert.AreEqual ("434343", Generate (new CodePrimitiveExpression ((long) 434343), sw), "#7");
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sb.Length = 0;
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Assert.AreEqual ("6.445F", Generate (new CodePrimitiveExpression ((float) 6.445), sw), "#8");
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sb.Length = 0;
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Assert.AreEqual ("5.76", Generate (new CodePrimitiveExpression ((double) 5.76), sw), "#9");
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sb.Length = 0;
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Assert.AreEqual ("7.667m", Generate (new CodePrimitiveExpression ((decimal) 7.667), sw), "#10");
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sb.Length = 0;
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Assert.AreEqual ("true", Generate (new CodePrimitiveExpression (true), sw), "#11");
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sb.Length = 0;
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Assert.AreEqual ("false", Generate (new CodePrimitiveExpression (false), sw), "#12");
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sw.Close ();
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}
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}
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[Test]
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public void PrimitiveExpressionTest_Char ()
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{
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("'\\0'", Generate (new CodePrimitiveExpression ('\0'), sw), "#0");
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sb.Length = 0;
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Assert.AreEqual ("'\x01'", Generate (new CodePrimitiveExpression ('\x01'), sw), "#1");
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sb.Length = 0;
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Assert.AreEqual ("'\x02'", Generate (new CodePrimitiveExpression ('\x02'), sw), "#2");
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sb.Length = 0;
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Assert.AreEqual ("'\x03'", Generate (new CodePrimitiveExpression ('\x03'), sw), "#3");
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sb.Length = 0;
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Assert.AreEqual ("'\x04'", Generate (new CodePrimitiveExpression ('\x04'), sw), "#4");
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sb.Length = 0;
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Assert.AreEqual ("'\x05'", Generate (new CodePrimitiveExpression ('\x05'), sw), "#5");
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sb.Length = 0;
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Assert.AreEqual ("'\x06'", Generate (new CodePrimitiveExpression ('\x06'), sw), "#6");
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sb.Length = 0;
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Assert.AreEqual ("'\a'", Generate (new CodePrimitiveExpression ('\a'), sw), "#7");
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sb.Length = 0;
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Assert.AreEqual ("'\b'", Generate (new CodePrimitiveExpression ('\b'), sw), "#8");
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sb.Length = 0;
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Assert.AreEqual ("'\\t'", Generate (new CodePrimitiveExpression ('\t'), sw), "#9");
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sb.Length = 0;
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Assert.AreEqual ("'\\n'", Generate (new CodePrimitiveExpression ('\n'), sw), "#10");
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sb.Length = 0;
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Assert.AreEqual ("'\v'", Generate (new CodePrimitiveExpression ('\v'), sw), "#11");
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sb.Length = 0;
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Assert.AreEqual ("'\f'", Generate (new CodePrimitiveExpression ('\f'), sw), "#12");
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sb.Length = 0;
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Assert.AreEqual ("'\\r'", Generate (new CodePrimitiveExpression ('\r'), sw), "#13");
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sb.Length = 0;
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Assert.AreEqual ("'\x0E'", Generate (new CodePrimitiveExpression ('\x0E'), sw), "#14");
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sb.Length = 0;
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Assert.AreEqual ("'\x0F'", Generate (new CodePrimitiveExpression ('\x0F'), sw), "#15");
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sb.Length = 0;
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Assert.AreEqual ("'\x10'", Generate (new CodePrimitiveExpression ('\x10'), sw), "#16");
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sb.Length = 0;
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Assert.AreEqual ("'\x11'", Generate (new CodePrimitiveExpression ('\x11'), sw), "#17");
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sb.Length = 0;
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Assert.AreEqual ("'\x12'", Generate (new CodePrimitiveExpression ('\x12'), sw), "#18");
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sb.Length = 0;
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Assert.AreEqual ("'\x13'", Generate (new CodePrimitiveExpression ('\x13'), sw), "#19");
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sb.Length = 0;
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Assert.AreEqual ("'\x14'", Generate (new CodePrimitiveExpression ('\x14'), sw), "#20");
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sb.Length = 0;
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Assert.AreEqual ("'\x15'", Generate (new CodePrimitiveExpression ('\x15'), sw), "#21");
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sb.Length = 0;
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Assert.AreEqual ("'\x16'", Generate (new CodePrimitiveExpression ('\x16'), sw), "#22");
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sb.Length = 0;
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Assert.AreEqual ("'\x17'", Generate (new CodePrimitiveExpression ('\x17'), sw), "#23");
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sb.Length = 0;
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Assert.AreEqual ("'\x18'", Generate (new CodePrimitiveExpression ('\x18'), sw), "#24");
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sb.Length = 0;
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Assert.AreEqual ("'\x19'", Generate (new CodePrimitiveExpression ('\x19'), sw), "#25");
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sb.Length = 0;
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Assert.AreEqual ("'\x1A'", Generate (new CodePrimitiveExpression ('\x1A'), sw), "#26");
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sb.Length = 0;
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Assert.AreEqual ("'\x1B'", Generate (new CodePrimitiveExpression ('\x1B'), sw), "#27");
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sb.Length = 0;
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Assert.AreEqual ("'\x1C'", Generate (new CodePrimitiveExpression ('\x1C'), sw), "#28");
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sb.Length = 0;
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Assert.AreEqual ("'\x1D'", Generate (new CodePrimitiveExpression ('\x1D'), sw), "#29");
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sb.Length = 0;
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Assert.AreEqual ("'\x1E'", Generate (new CodePrimitiveExpression ('\x1E'), sw), "#30");
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sb.Length = 0;
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Assert.AreEqual ("'\x1F'", Generate (new CodePrimitiveExpression ('\x1F'), sw), "#31");
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sb.Length = 0;
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Assert.AreEqual ("'\x20'", Generate (new CodePrimitiveExpression ('\x20'), sw), "#32");
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sb.Length = 0;
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Assert.AreEqual ("'\x21'", Generate (new CodePrimitiveExpression ('\x21'), sw), "#33");
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sb.Length = 0;
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Assert.AreEqual ("'\\\"'", Generate (new CodePrimitiveExpression ('"'), sw), "#34");
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sb.Length = 0;
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Assert.AreEqual ("'\x23'", Generate (new CodePrimitiveExpression ('\x23'), sw), "#35");
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sb.Length = 0;
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Assert.AreEqual ("'\x24'", Generate (new CodePrimitiveExpression ('\x24'), sw), "#36");
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sb.Length = 0;
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Assert.AreEqual ("'\x25'", Generate (new CodePrimitiveExpression ('\x25'), sw), "#37");
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sb.Length = 0;
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Assert.AreEqual ("'\x26'", Generate (new CodePrimitiveExpression ('\x26'), sw), "#38");
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sb.Length = 0;
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Assert.AreEqual ("'\\''", Generate (new CodePrimitiveExpression ('\''), sw), "#39");
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sb.Length = 0;
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Assert.AreEqual ("'\\u2028'", Generate (new CodePrimitiveExpression ('\u2028'), sw), "#40");
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sb.Length = 0;
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Assert.AreEqual ("'\\u2029'", Generate (new CodePrimitiveExpression ('\u2029'), sw), "#41");
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sb.Length = 0;
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Assert.AreEqual ("'\u2030'", Generate (new CodePrimitiveExpression ('\u2030'), sw), "#42");
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sw.Close ();
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}
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}
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[Test]
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public void PrimitiveExpressionTest_SByte ()
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{
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("5", Generate (new CodePrimitiveExpression ((sbyte) 5), sw));
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sw.Close ();
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}
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}
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[Test]
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public void PrimitiveExpressionTest_UInt16 ()
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{
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("5", Generate (new CodePrimitiveExpression ((ushort) 5), sw));
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sw.Close ();
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}
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}
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[Test]
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public void PrimitiveExpressionTest_UInt32 ()
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{
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("5u", Generate (new CodePrimitiveExpression ((uint) 5), sw));
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sw.Close ();
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}
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}
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[Test]
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public void PrimitiveExpressionTest_UInt64 ()
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{
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("5ul", Generate (new CodePrimitiveExpression ((ulong) 5), sw));
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sw.Close ();
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}
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}
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[Test]
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public void ParameterDeclarationExpressionTest ()
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{
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CodeParameterDeclarationExpression cpde = null;
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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cpde = new CodeParameterDeclarationExpression ();
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Assert.AreEqual ("void ", Generate (cpde, sw), "#1");
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sb.Length = 0;
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cpde = new CodeParameterDeclarationExpression ((string) null,
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(string) null);
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Assert.AreEqual ("void ", Generate (cpde, sw), "#2");
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sb.Length = 0;
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cpde = new CodeParameterDeclarationExpression ("A", (string) null);
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Assert.AreEqual ("A ", Generate (cpde, sw), "#4");
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sb.Length = 0;
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cpde = new CodeParameterDeclarationExpression ((string) null, "B");
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Assert.AreEqual ("void B", Generate (cpde, sw), "#4");
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sb.Length = 0;
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cpde = new CodeParameterDeclarationExpression ("A", "B");
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Assert.AreEqual ("A B", Generate (cpde, sw), "#5");
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sb.Length = 0;
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cpde.Direction = FieldDirection.Out;
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Assert.AreEqual ("out A B", Generate (cpde, sw), "#6");
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sb.Length = 0;
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cpde.Direction = FieldDirection.Ref;
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Assert.AreEqual ("ref A B", Generate (cpde, sw), "#7");
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sb.Length = 0;
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}
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}
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[Test]
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public void ArrayCreateExpressionTest ()
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{
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StringBuilder sb;
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual (
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string.Format (CultureInfo.InvariantCulture,
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"new int[] {{{0} 5}}",
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Environment.NewLine),
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Generate (new CodeArrayCreateExpression (
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typeof (int),
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new CodeExpression [] {
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new CodePrimitiveExpression (5)
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})
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, sw), "#1");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("new int[5]",
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Generate (new CodeArrayCreateExpression (
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typeof (int),
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new CodePrimitiveExpression (5))
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, sw), "#2");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual (
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string.Format (CultureInfo.InvariantCulture,
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"new string[] {{{0}" +
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" \"a\",{0}" +
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" \"b\",{0}" +
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" \"c\"}}",
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Environment.NewLine),
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Generate (new CodeArrayCreateExpression (
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typeof (string),
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new CodeExpression [] {
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new CodePrimitiveExpression ("a"),
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new CodePrimitiveExpression ("b"),
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new CodePrimitiveExpression ("c"),
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})
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, sw));
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sw.Close ();
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}
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}
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[Test]
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public void EscapedIdentifierTest ()
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{
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StringBuilder sb;
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string code;
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeVariableReferenceExpression ("using"), sw);
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Assert.AreEqual ("@using", code, "#1");
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sw.Close ();
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeTypeReferenceExpression ("using"), sw);
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Assert.AreEqual ("@using", code, "#2");
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sw.Close ();
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodePropertyReferenceExpression (null, "using"), sw);
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Assert.AreEqual ("@using", code, "#3");
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sw.Close ();
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeMethodReferenceExpression (null, "using"), sw);
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Assert.AreEqual ("@using", code, "#4");
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sw.Close ();
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeFieldReferenceExpression (null, "using"), sw);
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Assert.AreEqual ("@using", code, "#5");
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sw.Close ();
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeEventReferenceExpression (null, "using"), sw);
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Assert.AreEqual ("@using", code, "#6");
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sw.Close ();
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}
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}
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[Test]
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public void EventReferenceTest ()
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{
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StringBuilder sb;
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string code;
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeEventReferenceExpression (null, null), sw);
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Assert.AreEqual (string.Empty, code, "#1");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeEventReferenceExpression (null, "abc"), sw);
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Assert.AreEqual ("abc", code, "#2");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeEventReferenceExpression (new CodeThisReferenceExpression (), null), sw);
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Assert.AreEqual ("this.", code, "#3");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeEventReferenceExpression (new CodeThisReferenceExpression (), "abc"), sw);
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Assert.AreEqual ("this.abc", code, "#4");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeEventReferenceExpression (new CodePrimitiveExpression ("primitive"), null), sw);
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Assert.AreEqual ("\"primitive\".", code, "#5");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeEventReferenceExpression (new CodePrimitiveExpression ("primitive"), "abc"), sw);
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Assert.AreEqual ("\"primitive\".abc", code, "#6");
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}
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}
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[Test]
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public void DefaultValueExpressionTest ()
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{
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StringBuilder sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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Assert.AreEqual ("default(string)", Generate (new CodeDefaultValueExpression (new CodeTypeReference (typeof(string))), sw), "#0");
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sb.Length = 0;
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sw.Close ();
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}
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}
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[Test]
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public void DelegateInvokeTest ()
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{
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StringBuilder sb;
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string code;
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeDelegateInvokeExpression (null, new CodePrimitiveExpression ("abc")), sw);
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Assert.AreEqual ("(\"abc\")", code, "#1");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeDelegateInvokeExpression (new CodeThisReferenceExpression (), new CodePrimitiveExpression ("abc")), sw);
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Assert.AreEqual ("this(\"abc\")", code, "#2");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeDelegateInvokeExpression (new CodePrimitiveExpression ("primitive"), new CodePrimitiveExpression ("abc")), sw);
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Assert.AreEqual ("\"primitive\"(\"abc\")", code, "#3");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeDelegateInvokeExpression (new CodeEventReferenceExpression (new CodeThisReferenceExpression (), "Click"), new CodePrimitiveExpression ("abc")), sw);
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Assert.AreEqual ("this.Click(\"abc\")", code, "#4");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeDelegateInvokeExpression (new CodeEventReferenceExpression (new CodeThisReferenceExpression (), null), new CodePrimitiveExpression ("abc")), sw);
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Assert.AreEqual ("this.(\"abc\")", code, "#5");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeDelegateInvokeExpression (new CodeEventReferenceExpression (new CodePrimitiveExpression ("primitive"), "Click"), new CodePrimitiveExpression ("abc")), sw);
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Assert.AreEqual ("\"primitive\".Click(\"abc\")", code, "#6");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeDelegateInvokeExpression (new CodeEventReferenceExpression (new CodePrimitiveExpression ("primitive"), null), new CodePrimitiveExpression ("abc")), sw);
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Assert.AreEqual ("\"primitive\".(\"abc\")", code, "#7");
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}
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sb = new StringBuilder ();
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using (StringWriter sw = new StringWriter (sb)) {
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code = Generate (new CodeDelegateInvokeExpression (), sw);
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Assert.AreEqual ("()", code, "#8");
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}
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}
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private string Generate (CodeExpression expression, StringWriter sw)
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{
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generator.GenerateCodeFromExpression (expression, sw, options);
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return sw.ToString ();
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}
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}
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}
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