334 lines
9.2 KiB
C#
334 lines
9.2 KiB
C#
using System;
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using Mono.Cecil;
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using Mono.Cecil.Metadata;
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using Mono.Cecil.PE;
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using NUnit.Framework;
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namespace Mono.Cecil.Tests {
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[TestFixture]
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public class FieldTests : BaseTestFixture {
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[TestCSharp ("Fields.cs")]
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public void TypeDefField (ModuleDefinition module)
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{
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var type = module.Types [1];
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Assert.AreEqual ("Foo", type.Name);
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Assert.AreEqual (1, type.Fields.Count);
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var field = type.Fields [0];
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Assert.AreEqual ("bar", field.Name);
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Assert.AreEqual (1, field.MetadataToken.RID);
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Assert.IsNotNull (field.FieldType);
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Assert.AreEqual ("Bar", field.FieldType.FullName);
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Assert.AreEqual (TokenType.Field, field.MetadataToken.TokenType);
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Assert.IsFalse (field.HasConstant);
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Assert.IsNull (field.Constant);
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}
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[TestCSharp ("Fields.cs")]
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public void PrimitiveTypes (ModuleDefinition module)
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{
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var type = module.GetType ("Baz");
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AssertField (type, "char", typeof (char));
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AssertField (type, "bool", typeof (bool));
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AssertField (type, "sbyte", typeof (sbyte));
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AssertField (type, "byte", typeof (byte));
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AssertField (type, "int16", typeof (short));
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AssertField (type, "uint16", typeof (ushort));
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AssertField (type, "int32", typeof (int));
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AssertField (type, "uint32", typeof (uint));
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AssertField (type, "int64", typeof (long));
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AssertField (type, "uint64", typeof (ulong));
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AssertField (type, "single", typeof (float));
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AssertField (type, "double", typeof (double));
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AssertField (type, "string", typeof (string));
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AssertField (type, "object", typeof (object));
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}
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[TestCSharp ("Fields.cs")]
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public void VolatileField (ModuleDefinition module)
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{
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var type = module.GetType ("Bar");
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Assert.IsTrue (type.HasFields);
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Assert.AreEqual (1, type.Fields.Count);
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var field = type.Fields [0];
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Assert.AreEqual ("oiseau", field.Name);
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Assert.AreEqual ("System.Int32 modreq(System.Runtime.CompilerServices.IsVolatile)", field.FieldType.FullName);
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Assert.IsFalse (field.HasConstant);
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}
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[TestCSharp ("Layouts.cs")]
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public void FieldLayout (ModuleDefinition module)
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{
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var foo = module.GetType ("Foo");
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Assert.IsNotNull (foo);
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Assert.IsTrue (foo.HasFields);
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var fields = foo.Fields;
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var field = fields [0];
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Assert.AreEqual ("Bar", field.Name);
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Assert.IsTrue (field.HasLayoutInfo);
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Assert.AreEqual (0, field.Offset);
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field = fields [1];
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Assert.AreEqual ("Baz", field.Name);
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Assert.IsTrue (field.HasLayoutInfo);
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Assert.AreEqual (2, field.Offset);
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field = fields [2];
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Assert.AreEqual ("Gazonk", field.Name);
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Assert.IsTrue (field.HasLayoutInfo);
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Assert.AreEqual (4, field.Offset);
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}
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[TestCSharp ("Layouts.cs")]
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public void FieldRVA (ModuleDefinition module)
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{
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var priv_impl = GetPrivateImplementationType (module);
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Assert.IsNotNull (priv_impl);
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Assert.AreEqual (1, priv_impl.Fields.Count);
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var field = priv_impl.Fields [0];
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Assert.IsNotNull (field);
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Assert.AreNotEqual (0, field.RVA);
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Assert.IsNotNull (field.InitialValue);
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Assert.AreEqual (16, field.InitialValue.Length);
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var buffer = new ByteBuffer (field.InitialValue);
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Assert.AreEqual (1, buffer.ReadUInt32 ());
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Assert.AreEqual (2, buffer.ReadUInt32 ());
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Assert.AreEqual (3, buffer.ReadUInt32 ());
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Assert.AreEqual (4, buffer.ReadUInt32 ());
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}
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[TestCSharp ("Generics.cs")]
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public void GenericFieldDefinition (ModuleDefinition module)
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{
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var bar = module.GetType ("Bar`1");
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Assert.IsNotNull (bar);
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Assert.IsTrue (bar.HasGenericParameters);
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var t = bar.GenericParameters [0];
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Assert.AreEqual ("T", t.Name);
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Assert.AreEqual (t.Owner, bar);
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var bang = bar.GetField ("bang");
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Assert.IsNotNull (bang);
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Assert.AreEqual (t, bang.FieldType);
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}
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[TestIL ("types.il")]
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public void ArrayFields (ModuleDefinition module)
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{
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var types = module.GetType ("Types");
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Assert.IsNotNull (types);
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var rank_two = types.GetField ("rank_two");
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var array = rank_two.FieldType as ArrayType;
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Assert.IsNotNull (array);
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Assert.AreEqual (2, array.Rank);
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Assert.IsFalse (array.Dimensions [0].IsSized);
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Assert.IsFalse (array.Dimensions [1].IsSized);
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var rank_two_low_bound_zero = types.GetField ("rank_two_low_bound_zero");
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array = rank_two_low_bound_zero.FieldType as ArrayType;
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Assert.IsNotNull (array);
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Assert.AreEqual (2, array.Rank);
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Assert.IsTrue (array.Dimensions [0].IsSized);
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Assert.AreEqual (0, array.Dimensions [0].LowerBound);
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Assert.AreEqual (null, array.Dimensions [0].UpperBound);
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Assert.IsTrue (array.Dimensions [1].IsSized);
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Assert.AreEqual (0, array.Dimensions [1].LowerBound);
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Assert.AreEqual (null, array.Dimensions [1].UpperBound);
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var rank_one_low_bound_m1 = types.GetField ("rank_one_low_bound_m1");
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array = rank_one_low_bound_m1.FieldType as ArrayType;
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Assert.IsNotNull (array);
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Assert.AreEqual (1, array.Rank);
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Assert.IsTrue (array.Dimensions [0].IsSized);
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Assert.AreEqual (-1, array.Dimensions [0].LowerBound);
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Assert.AreEqual (4, array.Dimensions [0].UpperBound);
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}
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[TestCSharp ("Fields.cs")]
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public void EnumFieldsConstant (ModuleDefinition module)
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{
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var pim = module.GetType ("Pim");
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Assert.IsNotNull (pim);
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var field = pim.GetField ("Pam");
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Assert.IsTrue (field.HasConstant);
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Assert.AreEqual (1, (int) field.Constant);
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field = pim.GetField ("Poum");
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Assert.AreEqual (2, (int) field.Constant);
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}
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[TestCSharp ("Fields.cs")]
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public void StringAndClassConstant (ModuleDefinition module)
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{
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var panpan = module.GetType ("PanPan");
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Assert.IsNotNull (panpan);
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var field = panpan.GetField ("Peter");
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Assert.IsTrue (field.HasConstant);
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Assert.IsNull (field.Constant);
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field = panpan.GetField ("QQ");
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Assert.AreEqual ("qq", (string) field.Constant);
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field = panpan.GetField ("nil");
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Assert.AreEqual (null, (string) field.Constant);
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}
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[TestCSharp ("Fields.cs")]
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public void ObjectConstant (ModuleDefinition module)
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{
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var panpan = module.GetType ("PanPan");
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Assert.IsNotNull (panpan);
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var field = panpan.GetField ("obj");
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Assert.IsTrue (field.HasConstant);
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Assert.IsNull (field.Constant);
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}
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[TestIL ("types.il")]
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public void NullPrimitiveConstant (ModuleDefinition module)
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{
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var fields = module.GetType ("Fields");
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var field = fields.GetField ("int32_nullref");
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Assert.IsTrue (field.HasConstant);
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Assert.AreEqual (null, field.Constant);
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}
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[TestCSharp ("Fields.cs")]
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public void ArrayConstant (ModuleDefinition module)
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{
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var panpan = module.GetType ("PanPan");
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Assert.IsNotNull (panpan);
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var field = panpan.GetField ("ints");
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Assert.IsTrue (field.HasConstant);
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Assert.IsNull (field.Constant);
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}
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[TestIL ("types.il")]
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public void ConstantCoalescing (ModuleDefinition module)
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{
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var fields = module.GetType ("Fields");
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var field = fields.GetField ("int32_int16");
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Assert.AreEqual ("System.Int32", field.FieldType.FullName);
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Assert.IsTrue (field.HasConstant);
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Assert.IsInstanceOf (typeof (short), field.Constant);
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Assert.AreEqual ((short) 1, field.Constant);
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field = fields.GetField ("int16_int32");
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Assert.AreEqual ("System.Int16", field.FieldType.FullName);
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Assert.IsTrue (field.HasConstant);
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Assert.IsInstanceOf (typeof (int), field.Constant);
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Assert.AreEqual (1, field.Constant);
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field = fields.GetField ("char_int16");
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Assert.AreEqual ("System.Char", field.FieldType.FullName);
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Assert.IsTrue (field.HasConstant);
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Assert.IsInstanceOf (typeof (short), field.Constant);
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Assert.AreEqual ((short) 1, field.Constant);
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field = fields.GetField ("int16_char");
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Assert.AreEqual ("System.Int16", field.FieldType.FullName);
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Assert.IsTrue (field.HasConstant);
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Assert.IsInstanceOf (typeof (char), field.Constant);
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Assert.AreEqual ('s', field.Constant);
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}
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[TestCSharp ("Generics.cs")]
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public void NestedEnumOfGenericTypeDefinition (ModuleDefinition module)
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{
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var dang = module.GetType ("Bongo`1/Dang");
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Assert.IsNotNull (dang);
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var field = dang.GetField ("Ding");
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Assert.IsNotNull (field);
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Assert.AreEqual (2, field.Constant);
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field = dang.GetField ("Dong");
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Assert.IsNotNull (field);
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Assert.AreEqual (12, field.Constant);
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}
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[TestModule ("marshal.dll")]
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public void MarshalAsFixedStr (ModuleDefinition module)
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{
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var boc = module.GetType ("Boc");
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var field = boc.GetField ("a");
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Assert.IsNotNull (field);
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Assert.IsTrue (field.HasMarshalInfo);
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var info = (FixedSysStringMarshalInfo) field.MarshalInfo;
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Assert.AreEqual (42, info.Size);
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}
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[TestModule ("marshal.dll")]
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public void MarshalAsFixedArray (ModuleDefinition module)
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{
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var boc = module.GetType ("Boc");
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var field = boc.GetField ("b");
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Assert.IsNotNull (field);
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Assert.IsTrue (field.HasMarshalInfo);
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var info = (FixedArrayMarshalInfo) field.MarshalInfo;
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Assert.AreEqual (12, info.Size);
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Assert.AreEqual (NativeType.Boolean, info.ElementType);
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}
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static TypeDefinition GetPrivateImplementationType (ModuleDefinition module)
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{
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foreach (var type in module.Types)
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if (type.FullName.Contains ("<PrivateImplementationDetails>"))
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return type;
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return null;
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}
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static void AssertField (TypeDefinition type, string name, Type expected)
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{
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var field = type.GetField (name);
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Assert.IsNotNull (field, name);
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Assert.AreEqual (expected.FullName, field.FieldType.FullName);
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}
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}
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}
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