1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Diagnostics.CodeAnalysis;
using Mono.Linker.Tests.Cases.Expectations.Assertions;
using Mono.Linker.Tests.Cases.Expectations.Metadata;
namespace Mono.Linker.Tests.Cases.DataFlow
{
[SetupCompileArgument ("/langversion:7.3")]
[Kept]
[ExpectedNoWarnings]
class ByRefDataflow
{
public static void Main ()
{
{
Type t = typeof (ClassPassedToMethodTakingTypeByRef);
MethodWithRefParameter (ref t);
}
{
Type t1 = typeof (ClassMaybePassedToMethodTakingTypeByRef);
Type t2 = typeof (OtherClassMaybePassedToMethodTakingTypeByRef);
ref Type t = ref t1;
if (string.Empty.Length == 0)
t = ref t2;
MethodWithRefParameter (ref t);
}
PassRefToField ();
PassRefToParameter (null);
}
[Kept]
[KeptAttributeAttribute (typeof (DynamicallyAccessedMembersAttribute))]
[DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
static Type s_typeWithPublicParameterlessConstructor;
[Kept]
// Trimmer and analyzer use different formats for ref parameters: https://github.com/dotnet/linker/issues/2406
[ExpectedWarning ("IL2077", nameof (ByRefDataflow) + "." + nameof (MethodWithRefParameter) + "(Type&)", ProducedBy = ProducedBy.Trimmer)]
[ExpectedWarning ("IL2077", nameof (ByRefDataflow) + "." + nameof (MethodWithRefParameter) + "(ref Type)", ProducedBy = ProducedBy.Analyzer)]
[ExpectedWarning ("IL2069", nameof (s_typeWithPublicParameterlessConstructor), "parameter 'type'", nameof (MethodWithRefParameter), ProducedBy = ProducedBy.Trimmer)]
// MethodWithRefParameter (ref x)
[ExpectedWarning ("IL2077", nameof (ByRefDataflow) + "." + nameof (MethodWithRefParameter) + "(Type&)", ProducedBy = ProducedBy.Trimmer)]
[ExpectedWarning ("IL2077", nameof (ByRefDataflow) + "." + nameof (MethodWithRefParameter) + "(ref Type)", ProducedBy = ProducedBy.Analyzer)]
public static void PassRefToField ()
{
MethodWithRefParameter (ref s_typeWithPublicParameterlessConstructor);
var x = s_typeWithPublicParameterlessConstructor;
MethodWithRefParameter (ref x);
}
[Kept]
// Trimmer and analyzer use different formats for ref parameters: https://github.com/dotnet/linker/issues/2406
[ExpectedWarning ("IL2067", nameof (ByRefDataflow) + "." + nameof (MethodWithRefParameter) + "(Type&)", ProducedBy = ProducedBy.Trimmer)]
[ExpectedWarning ("IL2067", nameof (ByRefDataflow) + "." + nameof (MethodWithRefParameter) + "(ref Type)", ProducedBy = ProducedBy.Analyzer)]
public static void PassRefToParameter (Type parameter)
{
MethodWithRefParameter (ref parameter);
}
[Kept]
public static void MethodWithRefParameter (
[KeptAttributeAttribute(typeof(DynamicallyAccessedMembersAttribute))]
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods)]
ref Type type)
{
type = typeof (ClassReturnedAsRefFromMethodTakingTypeByRef);
}
[Kept]
class ClassPassedToMethodTakingTypeByRef
{
[Kept]
public static void KeptMethod () { }
internal static void RemovedMethod () { }
}
[Kept]
class ClassReturnedAsRefFromMethodTakingTypeByRef
{
[Kept]
public static void KeptMethod () { }
internal static void RemovedMethod () { }
}
[Kept]
class ClassMaybePassedToMethodTakingTypeByRef
{
[Kept]
public static void KeptMethod () { }
internal static void RemovedMethod () { }
}
[Kept]
class OtherClassMaybePassedToMethodTakingTypeByRef
{
[Kept]
public static void KeptMethod () { }
internal static void RemovedMethod () { }
}
}
}
|
