MergedFile Exercises Manual

User Manual:

Open the PDF directly: View PDF .
Page Count: 15

Download
Open PDF In Browser	View PDF

First Exercise
Start in the ReSharperWorkshop project. Create the 2 following classes:
Plan
Document

The Plan class should take a name ( string ), some documents ( IEnumerable ) and a security
classification ( Basic.Support.SecurityClassification ) in it's constructor and expose them as read-only
properties.
One solution could look like this:
Plan.cs

using System.Collections.Generic;
using Basic.Support;
namespace ResharperWorkshop
{
public class Plan
{
private readonly string _name;
private readonly IEnumerable _documents;
private readonly SecurityClassification _securityClassification;
public Plan(
string name,
IEnumerable documents,
SecurityClassification securityClassification)
{
name = name;
documents = documents;
securityClassification = securityClassification;
}
public string Name
{
get { return _name; }
}
public IEnumerable Documents
{
get { return _documents; }
}
public SecurityClassification SecurityClassification
{
get { return _securityClassification; }
}
}
}

Document.cs

1 / 15

namespace ResharperWorkshop
{
public class Document
{
}
}

Primary shortcuts
Shor tcut

Key Combo

Focus Solution Explorer

Ctrl

+

+

Locate in Solution Explorer

Shift

+

Alt

Open context menu

Shift

+

F10

Focus Code Window

Esc

Focus Code Window (more stable)

Alt

+

W

Open menu underlined with

Alt

+



Alt

,

L

+

L

1

2 / 15

Go to
Find the shortest sequence of keys to navigate to following items. See example below.

Example - Shor test Sequence
The shortest sequence of keys to navigate to
The file BlogEngine.NET/Custom/Themes/Standard/newsletter.html
would be:
Ctrl
n

+

h

t

Shift

+

T

(Go to file)

(matches n ewsletter.ht ml)

1. The class IActivateHandlers interface in the Rebus namespace
2. The class CommentItem in the BlogEngine.Core.Data.Models namespace
3. The file blog.js file in the Scripts/Auto/ folder
4. The class BlogReader in the BlogEngine.Core.API.BlogML namespace
5. The declaration of the LoginRequired css class in the Content/Auto/Global.css file
6. The Page_Load method in the Account/account.master.cs file
7. The staticContent xml section in the BlogEngine.NET\Web.config file
8. The Application_PreRequestHandlerExecute method in the BlogEngine.NET\Global.asax file
9. The cancelReply method in the Scripts/Auto/blog.js file
10. The Add method of the BlogEngine.Core.Providers.BlogFileSystemProviderCollection class
11. The class that starts with U in the same namespace as XmlFileSystemProvider

Primary shortcuts
Shor tcut

Key Combo

Go to Type

Ctrl

+

T

Go to File

Ctrl

+

Shift

Go to Symbol

Shift

Go to Member (current file)

Alt

+

+

Alt

+
+

T

T

\

Suppor ting shor tcuts
Shor tcut
Locate in Solution Explorer

Key Combo
Shift

+

Alt

+

L

3 / 15

Code Analysis
Navigate to the ContextClass in the Context solution.
The class contains various ReSharper issues.
Hints shown as a short dotted green line beneath the code
Suggestions shown as a green squiggly line beneath the code
Dead code shown as faded grey text
Warnings shown as a blue squiggly line beneath the code
Errors shown as red text or red squiggly lines
Do the following
1. Navigate to the 2 errors and fix them. What's wrong?
2. Navigate through the suggestions in the file and see what ReSharper is suggesting. Do you agree?
3. Go through the hints of the file (no shortcut). Does it make sense to apply any of them?

Note: The inspection options can be changed either in the ReSharper options or directly through the Quick fix
menu. These can also be shared at solution level through source control, via the Resharper > Manage Options >
Import & Export feature which creates a .DotSettings file.

Primary shortcuts
Shor tcut

Key Combo

Quick fix

Alt

+

Enter

Go to next highlight (error, warning or suggestion)

Alt

+

PageDown

Go to previous highlight (error, warning or suggestion)

Alt

+

PageUp

Go to next error

Alt

+

Shift

+

PageDown

Go to previous error

Alt

+

Shift

+

PageUp

4 / 15

Generate Code
Open the GenerateCode class in the Basic project.
1. From the constructor of GenerateCode call a the non-existant private method like so: Create(name, tags)
2. Use Quick fix to create the method
3. From the Create method instantiate a non-existant class like so: new CodeCollection(name, tags)
4. Use Quick fix to create the class + constructor
5. Delete the constructor
6. Use Generate code to re-create the constructor
7. Use Quick fix to change the name field to be read-only
8. Delete the tags field
9. Generate a property for the tags field
10. Generate equality members for the class depending on the name field
11. Convert the tags property to a Property with backing field
12. Generate delegating methods for the Add method and the Count properties of the tags list

Primary shortcuts
Shor tcut

Key Combo

Quick fix

Alt

+

Enter

Generate code

Alt

+

Insert

Suppor ting shor tcuts
Shor tcut

Key Combo

Go to next highlight (error, warning or suggestion)

Alt

+

PageDown

Go to previous highlight (error, warning or suggestion)

Alt

+

PageUp

5 / 15

Rename
Navigate to the H class the Basic project.
1. Rename variable e -> lastIndex
2. Rename parameter j -> arrayLength
3. Rename method A -> BuildRandomArray
4. Rename variable d -> index
Figure out what variables (and rename them) should have the following names of the remaining b , c , H , g and
f
random
numbers
swapIndex
temp
ArrayShuffler

Primary shortcuts
Shor tcut
Refactor: Rename

Key Combo
+

Ctrl

R

,

Ctrl

+

R

Suppor ting shor tcuts
Shor tcut

Key Combo

Refactor this

Ctrl

Highlight usages

Alt

+
+

Shift

Shift

+
+

R

F11

6 / 15

Introduce and Inline variables
Open the Variables class in the Basic project.
In the IntroduceVariable method introduce the following variables
1. 0 to firstPage
2. numberOfPages - 1 to lastPage
3. Math.Min(Math.Max(firstPage, page), lastPage) to currentPage
4. currentPage * itemsPerPage to firstItemInPage
5. ((currentPage + 1) * itemsPerPage) - 1 to lastItemInPage
6. new[] { firstItemInPage, lastItemInPage } to itemRange
In the InlineVariable method:
7. Inline all the variables one at a time and watch the effects.

Primary shortcuts
Shor tcut

Key Combo

Refactor this

Ctrl

+

Shift

+

R

Refactor: Introduce variable

Ctrl

+

R

,

Ctrl

+

V

Refactor: Inline variable

Ctrl

+

R

,

Ctrl

+

I

7 / 15

Import Completion
Open the ImportCompletion class in the `Basic project.
In the Import method:
1. Instantiate a new DataProcessor() using Impor t completion to import the Basic.Support.Proc
namespace
2. Change the Console.WriteLine call to output list.FirstOrDefault() (extension method) instead of list using Impor t completion to import the System.Linq namespace
3. Instantiate a System.Threading.Timeout
4. Instantiate a System.Security.SecureString
In the IntroduceVariableImportCompletionCombo method, find the shortest keysequence for writing the
following statements using Impor t completion followed by Introduce variable . (see example below)
5. var stringBuilder = new StringBuilder();
6. var dictionary = new HybridDictionary();
7. var collection = new BlockingCollection>();
8. var compressionMode = CompressionMode.Compress;

Example - Impor t/Introduce combo
Combining Import completion and Introduce variable.
Shortest key sequence for writing in a file where the System.Text namespace is not imported:
var stringBuilder = new StringBuilder();

would be:
n

e

w

Space

s

b

u

i

Tab
(

(matches S tringBui lder)

(Activate Statement completion/Import completion)

(completes statement)

Ctrl

+

R

,

Ctrl

+

V

(introduce variable)

Enter

(picks var in type selector)

Enter

(picks stringBuilder in name selector)

Primary shortcuts
Shor tcut

Key Combo

Refactor: Introduce variable

Ctrl

Import completion

Tab

Refactor this

Ctrl

+

R

,

Ctrl

+

V

(when the correct type is selected in the intellisense window)
+

Shift

+

R

8 / 15

Find Usages and Highlight
Investigate the following using Find usages
1. Where is the ZipDirectory method from the FileSystemUtilities class used?
2. Which .cs file uses the CheckRightsForAdminSettingsPage method in the WebUtils class?
3. From which .cs files can the SaveToDatastore method of the XmlBlogProvider class be invoked? (multiple
Find usages )
Navigate to the BlogEngine.Core.Pager class and look at the Reset method (note: there is more than 1 Pager
class)
4. Try to reason about what happens to the page parameter within the constructor
5. Try again with Find usages
6. Try again with Highlight usages
7. What works better? Nothing, Find usages or Highlight usages
Navigate to the RewriteDefault method in the UrlRewrite class. Using Highlight usages or Find usages
figure out
8. What is the last line that the path local variable is used in?
9. What is the last line that the url local variable is used in?
10. What is the last line that the page local variable is used in?
Navigate to the BlogEngine.Core.Blog class
10. Try to reason about who calls the Blog constructor
11. Try again with Highlight usages
12. Try again with Find usages
13. What works better? Nothing, Find usages or Highlight usages

Primary shortcuts
Shor tcut

Key Combo

Find usages

Shift

+

F12

Highlight usages

Shift

+

Alt

Remove Highlight

Esc

+

F11

Suppor ting shor tcuts
Shor tcut

Key Combo

Go to next usage

Ctrl

+

Alt

+

PageDown

Go to previous usage

Ctrl

+

Alt

+

PageUp

9 / 15

Solution Explorer Refactorings
Open the Tennis.cs file in the ReSharperWorkshop solution. This file contains an implementation of the
variations of the rules of Tennis in different tournaments.
In the Solution Explorer do the following:
1. Split up the Tennis.cs file using Refactor this - Move types into matching files
2. Create Tournament and Models folders using Generate file (Solution Explorer)
3. Move files into the folder structure shown below using either
Cut / Paste + Refactor this - Adjust namespaces
Refactor this - Move to folder
4. Which method do you like better?
Tournament
TournamentAustralianOpen.cs
TournamentDouble.cs
TournamentUSOpen.cs
ITournamentRules.cs
Models
TennisGame.cs
TennisSet.cs
TennisMatch.cs

Tip: If you want to start over on this task - simply copy the contents of original.txt into a Tennis.cs file, or
revert the file from source control with git checkout Tennis.cs

Primary shortcuts
Shor tcut

Key Combo

Refactor this

Ctrl

Generate item (Solution Explorer)

Alt

Refactor: Move to file/folder

Ctrl

+
+

+

R

Ctrl

+

Shift

Insert

+

R

,

O

Suppor ting shor tcuts
Shor tcut
Locate in Solution Explorer

Key Combo
Shift

+

Alt

+

L

10 / 15

Move Code
Navigate to the OutOfOrderMethods class in the Basic project.
1. Reorder the methods alphabetically using move code.
In the E method:
2. Move the calculation of theOtherNumber into the first if block.
3. Move the try / catch block out of the first if block.
4. Change following expressions to mention variable names before constants:
13 * theNumber should be theNumber * 13
42 == theNumber should be theNumber == 42
null != data should be data != null

Primary shortcuts
Shor tcut

Key Combo

Move code up

Ctrl

+

Shift

+

Alt

+

Up

Move code down

Ctrl

+

Shift

+

Alt

+

Down

Move code in

Ctrl

+

Shift

+

Alt

+

Right

Move code out

Ctrl

+

Shift

+

Alt

+

Left

Suppor ting shor tcuts
Shor tcut

Key Combo

Go to next class member

Alt

+

Down

Go to previous class member

Alt

+

Up

11 / 15

Navigate Hierarchies
Navigate to the Navigate method of the NavigateHierachies class.
1. Examine the Type Hierarchy of IEntity
2. What is the difference between Go to implementation and Go to derived on the IPet.Speak method?
3. Where does Go to implementation on IEntity.Id followed by Go to base take you? Why?
Navigate to the RebusHierarchyLesson class. Using hierarchy navigation (Go to declaration / Go to
implementation / Go to base / Go to derived ) figure out the following:
(Remember that you can consult the Type Hierachy )
4. From SimpleHandlerActivator - how can you get to IActivateHandlers
5. From IActivateHandlers - how can you get to WindsorContainerAdapter
6. From WindsorContainerAdapter - how can you get to IContainerAdapter
Without leaving RebusHierarchyLesson figure out the following from the Lesson method.

Hint: Go to derived shows a list of possible navigation targets for whatever's under the caret.

7. Using Type Hierachy , which class implementing IActivateHandlers does not implement
IContainerAdapter

8. Number of classes and interfaces implementing IActiveHandlers
9. Out of the these - how many implement the GetHandlerInstancesFor
10. Number of classes and interfaces implementing IHandleMessages

Tip: If you navigate to a file and want to go back to where you were, you can either use Close current file or Go
back (Visual Studio) .

Primary shortcuts
Shor tcut

Key Combo

Go to declaration

F12

Go to implementation

Ctrl

Go to base

Alt

+

Home

Go to derived

Alt

+

End

Show type hierarchy

Ctrl

+

+

F12

E

,

Ctrl

+

H

Suppor ting shor tcuts

12 / 15

Shor tcut

Key Combo

Inspect this

Ctrl

+

Shift

Close current file

Ctrl

+

F4

Go back (Visual Studio)

Ctrl

+

-

+

Alt

+

A

(minus symbol above P)

13 / 15

Inspect This
Navigate to the Inspector class in the Basic project.

Tip: Remember that the inspection window can be docked and that Show Preview on the Right is useful.

1. Explore the value destination of importantValue in the Main method. Where does it end up?
2. Explore the value origin of the value variable in the Main method. What values are printed?

Primary shortcuts
Shor tcut
Inspect this

Key Combo
Ctrl

+

Shift

+

Alt

+

A

14 / 15

First Exercise Revisited
Repeat the first exercise, but try to incorporate the things you've learned in the previous exercises. Below you'll find
a list of the shortcuts that might be helpful for faster flows.

Problem
Start in the ReSharperWorkshop project. Create the 2 following classes:
Plan
Document

The Plan class should take a name ( string ), some documents ( IEnumerable ) and a security
classification ( Basic.Support.SecurityClassification ) in it's constructor and expose them as read-only
properties.

Primary shortcuts
Shor tcut

Key Combo

Quick fix

Alt

+

All fixes

Ctrl

Generate file (Solution Explorer)

Alt

+

Ins

Generate code

Alt

+

Ins

Import completion

Tab

Go to next suggestion

Alt

+

PageDown

Go to previous suggestion

Alt

+

PageUp

Go to next error

Shift

+

Alt

+

PageDown

Go to previous error

Shift

+

Alt

+

PageUp

Enter

+

.

15 / 15



---

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.4
Linearized                      : No
Page Count                      : 15
Title                           : MergedFile
Creator                         : 
Create Date                     : 2018:06:28 21:09:52
Modify Date                     : 2018:06:28 17:10:20-04:00
Producer                        : 3-Heights(TM) PDF Merge Split API 4.9.13.0 (http://www.pdf-tools.com)

EXIF Metadata provided by EXIF.tools