132 lines
4.1 KiB
C#
132 lines
4.1 KiB
C#
/*
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Copyright 2020-2021 Katy Coe - http://www.djkaty.com - https://github.com/djkaty
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All rights reserved.
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*/
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using Il2CppInspector.Cpp;
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using Il2CppInspector.Cpp.UnityHeaders;
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using Il2CppInspector.Reflection;
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using NUnit.Framework;
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namespace Il2CppInspector
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{
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[TestFixture]
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public partial class FixedTests
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{
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[Test]
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public void TestCppTypeDeclarations() {
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// NOTE: This test doesn't check for correct results, only that parsing doesn't fail!
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var unityTypeHeaders = UnityHeaders.GetAllTypeHeaders();
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// Ensure we have read the embedded assembly resources
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Assert.IsTrue(unityTypeHeaders.Any());
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// Ensure we can interpret every header from every version of Unity without errors
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// This will throw InvalidOperationException if there is a problem
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foreach (var unityTypeHeader in unityTypeHeaders) {
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var cppUnityHeaderTypes = new CppTypeCollection(64);
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cppUnityHeaderTypes.AddFromDeclarationText(unityTypeHeader.GetText());
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foreach (var cppType in cppUnityHeaderTypes.Types)
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Debug.WriteLine("// " + cppType.Key + "\n" + cppType.Value.ToString("o"));
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}
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// Do a few sanity checks taken from real applications (64-bit)
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// NOTE: Does not provide full code coverage!
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var cppTypes = CppTypeCollection.FromUnityVersion(new UnityVersion("2019.3.1f1"));
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CppComplexType ct;
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CppField field;
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// Field offset tests
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// Un-nested class
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ct = (CppComplexType) cppTypes["Il2CppClass"];
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field = ct[0xE0].First();
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Assert.AreEqual("cctor_finished", field.Name);
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field = ct[0x130].First();
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Assert.AreEqual("vtable", field.Name);
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field = ct["cctor_finished"];
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Assert.AreEqual(0xE0, field.OffsetBytes);
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field = ct["vtable"];
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Assert.AreEqual(0x130, field.OffsetBytes);
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// Nested class
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ct = (CppComplexType) cppTypes["Il2CppClass_Merged"];
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var fields = ct.Flattened;
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field = fields[0xE0].First();
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Assert.AreEqual("cctor_finished", field.Name);
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field = fields[0x130].First();
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Assert.AreEqual("vtable", field.Name);
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field = fields["cctor_finished"];
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Assert.AreEqual(0xE0, field.OffsetBytes);
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field = fields["vtable"];
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Assert.AreEqual(0x130, field.OffsetBytes);
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// Bitfield
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ct = (CppComplexType) cppTypes["Il2CppType"];
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field = ct.Fields[0xB * 8 + 7].First();
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Assert.AreEqual("pinned", field.Name);
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// Nested fields
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ct = (CppComplexType) cppTypes["Il2CppWin32Decimal"];
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fields = ct.Flattened;
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field = fields[0x08].First();
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Assert.AreEqual("lo32", field.Name);
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field = fields[0x08].Last();
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Assert.AreEqual("lo64", field.Name);
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field = fields[0x0C].First();
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Assert.AreEqual("mid32", field.Name);
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// Pointer alias
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var alias = (CppAlias) cppTypes.GetType("Il2CppHString");
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Assert.AreEqual(typeof(CppPointerType), alias.ElementType.GetType());
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Assert.AreEqual("Il2CppHString__ *", alias.ElementType.Name);
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// Typedef struct with no tag
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Assert.True(cppTypes.Types.ContainsKey("Il2CppGenericMethodIndices"));
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Assert.True(((CppComplexType)cppTypes["Il2CppGenericMethodIndices"]).ComplexValueType == ComplexValueType.Struct);
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// Alignment tests
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// Il2CppArrayType has an int * (sizes) after three uint8_t
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Assert.AreEqual(0x10, cppTypes.GetComplexType("Il2CppArrayType")["sizes"].OffsetBytes);
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// Il2CppSafeArray has a uint32_t (element_size) after two uint16_t
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Assert.AreEqual(0x4, cppTypes.GetComplexType("Il2CppSafeArray")["element_size"].OffsetBytes);
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}
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}
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}
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