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Diffstat (limited to 'ICSharpCode.Decompiler/Tests/DelegateConstruction.cs')
| -rw-r--r-- | ICSharpCode.Decompiler/Tests/DelegateConstruction.cs | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/ICSharpCode.Decompiler/Tests/DelegateConstruction.cs b/ICSharpCode.Decompiler/Tests/DelegateConstruction.cs new file mode 100644 index 00000000..70c00fc6 --- /dev/null +++ b/ICSharpCode.Decompiler/Tests/DelegateConstruction.cs @@ -0,0 +1,205 @@ +// Copyright (c) AlphaSierraPapa for the SharpDevelop Team +// +// Permission is hereby granted, free of charge, to any person obtaining a copy of this +// software and associated documentation files (the "Software"), to deal in the Software +// without restriction, including without limitation the rights to use, copy, modify, merge, +// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons +// to whom the Software is furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all copies or +// substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE +// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +// DEALINGS IN THE SOFTWARE. + +using System; +using System.Collections.Generic; +using System.Linq; + +public static class DelegateConstruction +{ + class InstanceTests + { + public Action CaptureOfThis() + { + return delegate { + CaptureOfThis(); + }; + } + + public Action CaptureOfThisAndParameter(int a) + { + return delegate { + CaptureOfThisAndParameter(a); + }; + } + + public Action CaptureOfThisAndParameterInForEach(int a) + { + foreach (int item in Enumerable.Empty<int>()) { + if (item > 0) { + return delegate { + CaptureOfThisAndParameter(item + a); + }; + } + } + return null; + } + + public Action CaptureOfThisAndParameterInForEachWithItemCopy(int a) + { + foreach (int item in Enumerable.Empty<int>()) { + int copyOfItem = item; + if (item > 0) { + return delegate { + CaptureOfThisAndParameter(item + a + copyOfItem); + }; + } + } + return null; + } + + public void LambdaInForLoop() + { + for (int i = 0; i < 100000; i++) { + Bar(() => Foo()); + } + } + + public int Foo() + { + return 0; + } + + public void Bar(Func<int> f) + { + } + } + + public static void Test(this string a) + { + } + + public static Action<string> ExtensionMethodUnbound() + { + return new Action<string>(DelegateConstruction.Test); + } + + public static Action ExtensionMethodBound() + { + return new Action("abc".Test); + } + + public static Action ExtensionMethodBoundOnNull() + { + return new Action(((string)null).Test); + } + + public static object StaticMethod() + { + return new Func<Action>(DelegateConstruction.ExtensionMethodBound); + } + + public static object InstanceMethod() + { + return new Func<string>("hello".ToUpper); + } + + public static object InstanceMethodOnNull() + { + return new Func<string>(((string)null).ToUpper); + } + + public static List<Action<int>> AnonymousMethodStoreWithinLoop() + { + List<Action<int>> list = new List<Action<int>>(); + for (int i = 0; i < 10; i++) + { + int counter; + list.Add(delegate(int x) + { + counter = x; + } + ); + } + return list; + } + + public static List<Action<int>> AnonymousMethodStoreOutsideLoop() + { + List<Action<int>> list = new List<Action<int>>(); + int counter; + for (int i = 0; i < 10; i++) + { + list.Add(delegate(int x) + { + counter = x; + } + ); + } + return list; + } + + public static Action StaticAnonymousMethodNoClosure() + { + return delegate + { + Console.WriteLine(); + }; + } + + public static void NameConflict() + { + // i is captured variable, + // j is parameter in anonymous method + // k is local in anonymous method, + // l is local in main method + // Ensure that the decompiler doesn't introduce name conflicts + List<Action<int>> list = new List<Action<int>>(); + for (int l = 0; l < 10; l++) { + int i; + for (i = 0; i < 10; i++) { + list.Add( + delegate (int j) { + for (int k = 0; k < i; k += j) { + Console.WriteLine(); + } + }); + } + } + } + + public static void NameConflict2(int j) + { + List<Action<int>> list = new List<Action<int>>(); + for (int k = 0; k < 10; k++) { + list.Add( + delegate(int i) { + Console.WriteLine(i); + }); + } + } + + public static Action<int> NameConflict3(int i) + { + return delegate(int j) { + for (int k = 0; k < j; k++) { + Console.WriteLine(k); + } + }; + } + + public static Func<int, Func<int, int>> CurriedAddition(int a) + { + return b => c => a + b + c; + } + + public static Func<int, Func<int, Func<int, int>>> CurriedAddition2(int a) + { + return b => c => d => a + b + c + d; + } +} |