Merge pull request #4739 from gewarren/stubs

[Fakes] Small code example change

Author: PRMerger19

docs/test/using-stubs-to-isolate-parts-of-your-application-from-each-other-for-unit-testing.md

@@ -1,5 +1,5 @@
 ---
-title: "Using stubs to isolate parts of your application for unit testing"
+title: "Using stubs to isolate parts of your app for testing"
 ms.date: 11/04/2016
 ms.topic: conceptual
 ms.author: gewarren
@@ -222,9 +222,9 @@ class TestMyComponent
     public void TestVariableContosoPrice()
     {
         // Arrange:
-        int priceToReturn;
-        string companyCodeUsed;
-        var componentUnderTest = new StockAnalyzer(new StubIStockFeed()
+        int priceToReturn = 345;
+        string companyCodeUsed = "";
+        var componentUnderTest = new StockAnalyzer(new StockAnalysis.Fakes.StubIStockFeed()
             {
                GetSharePriceString = (company) =>
                   {
@@ -234,8 +234,6 @@ class TestMyComponent
                      return priceToReturn;
                   };
             };
-        // Set the value that will be returned by the stub:
-        priceToReturn = 345;
 
         // Act:
         int actualResult = componentUnderTest.GetContosoPrice();
@@ -257,7 +255,7 @@ Class TestMyComponent
     <TestMethod()> _
     Public Sub TestVariableContosoPrice()
         ' Arrange:
-        Dim priceToReturn As Integer
+        Dim priceToReturn As Integer = 345
         Dim companyCodeUsed As String = ""
         Dim stockFeed As New StockAnalysis.Fakes.StubIStockFeed()
         With stockFeed
@@ -272,8 +270,6 @@ Class TestMyComponent
         End With
         ' Create an object to test:
         Dim componentUnderTest As New StockAnalyzer(stockFeed)
-        ' Set the value that will be returned by the stub:
-        priceToReturn = 345
 
         ' Act:
         Dim actualResult As Integer = componentUnderTest.GetContosoPrice()
@@ -310,7 +306,7 @@ var stub = new StubIMyInterface ();
 stub.MyMethodString = (value) => 1;
 ```
 
-If you do not provide a stub for a function, Fakes will generate a function that returns the default value of the return type. For numbers, the default value is 0, and for class types it is `null` (C#) or `Nothing` (Visual Basic).
+If you do not provide a stub for a function, Fakes generates a function that returns the default value of the return type. For numbers, the default value is 0 and for class types it is `null` (C#) or `Nothing` (Visual Basic).
 
 ### Properties
 
@@ -334,7 +330,7 @@ stub.ValueGet = () => i;
 stub.ValueSet = (value) => i = value;
 ```
 
-If you do not provide stub methods for either the setter or the getter of a property, Fakes will generate a stub that stores values, so that the stub property works like a simple variable.
+If you do not provide stub methods for either the setter or the getter of a property, Fakes generates a stub that stores values so that the stub property works like a simple variable.
 
 ### Events
 
@@ -402,7 +398,7 @@ In the previous examples, the stubs have been generated from interfaces. You can
     }
 ```
 
-In the stub generated from this class, you can set delegate methods for DoAbstract() and DoVirtual(), but not DoConcrete().
+In the stub generated from this class, you can set delegate methods for `DoAbstract()` and `DoVirtual()`, but not `DoConcrete()`.
 
 ```csharp
 // unit test
@@ -431,13 +427,13 @@ The stub types are designed to provide a smooth debugging experience. By default
 
 ## Stub limitations
 
-1. Method signatures with pointers aren't supported.
+- Method signatures with pointers aren't supported.
 
-2. Sealed classes or static methods can't be stubbed because stub types rely on virtual method dispatch. For such cases, use shim types as described in [Use shims to isolate your application from other assemblies for unit testing](../test/using-shims-to-isolate-your-application-from-other-assemblies-for-unit-testing.md)
+- Sealed classes or static methods can't be stubbed because stub types rely on virtual method dispatch. For such cases, use shim types as described in [Use shims to isolate your application from other assemblies for unit testing](../test/using-shims-to-isolate-your-application-from-other-assemblies-for-unit-testing.md)
 
 ## Change the default behavior of stubs
 
-Each generated stub type holds an instance of the `IStubBehavior` interface (through the `IStub.InstanceBehavior` property). The behavior is called whenever a client calls a member with no attached custom delegate. If the behavior has not been set, it will use the instance returned by the `StubsBehaviors.Current` property. By default, this property returns a behavior that throws a `NotImplementedException` exception.
+Each generated stub type holds an instance of the `IStubBehavior` interface (through the `IStub.InstanceBehavior` property). The behavior is called whenever a client calls a member with no attached custom delegate. If the behavior has not been set, it uses the instance returned by the `StubsBehaviors.Current` property. By default, this property returns a behavior that throws a `NotImplementedException` exception.
 
 The behavior can be changed at any time by setting the `InstanceBehavior` property on any stub instance. For example, the following snippet changes a behavior that does nothing or returns the default value of the return type: `default(T)`: