How to enable StackTrace in DUnitX ? - delphi

I have Delphi Seattle in place and I'm using DUnitX as my test framework.
I noticed that it may have support for stacktrace. But I found no example or documentation about it.
I found an inc file (DUnitX.Stacktrace.inc) where I can configure what I want to use as stacktrace provider. But, as I will not recompile it, because it comes along with Delphi.
How the best approach to enable it now ? When I have an error on tests setup etc. Will I get by default the stacktrace as well ?

Copy the inc file into project folder, apply your changes and include it explicitly:
{$I DUnitX.Stacktrace.inc}
Actually you don't have to reference it directly (Delphi will search in project folder first anyway). Look at DUnitXTest.dproj for example (comes with Delphi in DUnitX\Tests folder).
But i believe it is better to keep things obvious.

Related

C++ Builder 10.3 Rio - Testframework

It seems that C++ builder 10.3. comes with a new testframework.hpp. The class Assert does not exist any longer.
Can anyone tell me how to use this new framework?
I am desperate because I wrote a lot of code and obviously Rio is not really compatible.
for example the following code line, written in Builder 10.2.3, doesn't work any longer:
Dunitx.Testframework::Assert::IsTrue (result == true);
I found the solution in the testframework.hpp - file. The usage is now a lot easier but you will have to know how to handle it. The description in the embaracdero help system is wrong and should be corrected.
You seem to have found the TestFramework.hpp for DUnit. But it is obvious your code was using DUnitX before. These are similar but incompatible test frameworks.
To get the Dunitx.Testframework.hpp you need, simply add DUnitX.TestFramework.pas to your C++Builder test project (add it in the project manager) and completely re-build your project. The Pascal compiler will generate the necessary .hpp file for you.
But before you do all that, you may want to copy your project to a new folder, and load it from there, just to be sure. That way, the older project will not be modified. Be sure to update all your paths in the project manager and C++ library settings too, if necessary.
If you think DUnit is easier to use (I certainly do), then keep on using that. But you will have to rewrite some parts of your tests. More info can be found in the Delphi help files (and on the web counterpart) and on the DUnit website.
DUnit was the former test framework for Delphi (hence the D), but at some time in the past, it was replaced by the more modern DUnitX. But that uses some Delphi features (like Delphi attributes) that make it harder to use in C++Builder. DUnit is still part of the RAD Studio installation.

How to compile a Win32 program from the command line with Delphi

as the title says, I'm trying to compile a Win32 program without the aid of an IDE, just so I can learn. I'm using Borland Studio 2006, and my first thought was to take some files generated from a Forms application from the IDE and compile the project file... that gave me errors about expecting unit and finding object instead. I know that's from the dfm file which holds all the settings for a form, but I don't get how the IDE deals with that file, can anyone help me understand the system better? :)
If I have understood correctly, you need to grasp the structure of a Delphi project and how Forms and units work together. You cannot just cherry-pick some files and expect to be able to feed them to the compiler.
You also have to set the path to the library/components/used files so that the compiler can find everything it needs, starting with the project dpr.
I would recommend that you try first to run your project from the IDE, then once it runs, you can try it from the command line.
I found out all I needed to do is compile the top level unit into a dcu, and then the project will compile :) If anyone else is trying to do the same thing, there's some great info at the bottom of this page
http://www.codexterity.com/raw-delphi/index.htm
WANT automates the process of building, testing, and packaging applications and libraries much like Jakarta Ant does
You wrote in question that you are using BDS 2006. If you want to learn more recent build process in Delphi I suggest you to upgrade at least to Delphi 2007 which introduced MS Build usage.
Of course MS Build acts like "wrapper" so this is not must have but nice have :-)

Compiler Directive error in Delphi 2005

Iam using Delphi 2005 and i have included a unit to the main unit using compiler directive i.e.{$I sample.pas} whenever I try to build the main pas file I get the below error . F 1026 File not found and it shows the path where the sample.pas file is available. I tried different options like tried adding the path of the pas file in the project options- search path and also in the tools-options -library path and it doesnt work. I googled it and found a solution which says to do the following:
In the IDE from the main menu, navigate to
“Tools|Options|Environment Options|Compiling and Running”
switch “Show Commandline” ON
AND set sure you have “Verbosity” set to “Diagnostic”.
The problem is Iam using Delphi 2005 and unable to find the “Verbosity” option in Delphi 2005. It would be great if some one can help me
In Delphi 2009 it is right under the Show Commandline setting:
However, unfortunately for you the verbosity option isn't present in D2006, so I guess it was introduced in either 2007 or 2009.
Oh, and as far as the include directive goes: if your sample pas isn't in the same folder as the unit in which it is included, you could try adding the path to the $I directive:
{$I ..\..\General\sample.pas}
Put the file in the same folder as your project units, and change its extension to ".inc" ( not mandatory but I think that by convention directives files are named like this).
A possible solution could be to get the code working in a package and then have the package keep that part of things compiled. I have been able to use include files in other paths with packages, but it is quite tempermental. It can start rejecting them even with packages for reasons I don't know. This is indeed a VERY annoying problem.
You might also look into doing your builds via your own batch files where you can take full control of the command-line settings that are being used.

How do I solve "Two different CRTLDLLs are loaded" when using packages in C++ Builder 2010?

We are trying to split up our monolithic EXE into a combination of an EXE and several packages. So far, we have one package that we're trying to use, and when running the EXE Codeguard shows the following error on startup:
CG Error
Two different CRTLDLLs are loaded. CG might report false errors
(C:\Windows\system32\CC32100MT.DLL)
(D:\Projects\Foo\Bar.bpl)
OK
I read this as two different runtime libraries being loaded - one, the correct one (CC32100MT.dll), one incorrect, which is the package we're trying to use.
Continuing to run the program shows odd errors, especially casting between classes or passing a pointer to a class as a parameter in a method that crosses the EXE/DLL boundary. Codeguard itself doesn't show any other errors at all though. Edit: This is now resolved, and wasn't related. The program appears to run correctly, but the warning Codeguard shows is still worrying.
How do we solve this?
Some more details
We've looked at as many things as we (the developer working on this and I) can collectively think of:
Each project is built using runtime packages. The EXE host lists Bar in its package list.
Each project is set to compile with dynamic RTL. However, changing this does not solve the problem.
The package is linked to the EXE via its BPI file, but linking via a LIB makes no difference either.
The EXE and BPL are compiled with the same project settings, where the same options exist for both types of project. We think, anyway :)
There is only one copy of the BPL and BPI on the system: it's definitely linking to the right one.
Examining the EXE and BPL with Depends and TDump show they are both using C:\Windows\system32\CC32100MT.DLL. They should both be using the one RTL.
Creating a new project (a plain VCL forms application) and linking to the BPL (via its BPI) works fine. Something in the process of adding all the files and LIBs that make our EXE contain the code it needs to changes this, but we haven't been able to figure out what.
The LIBs all either correspond to DLLs we use (flat C interface, usually look as though they were built with MSVC) or are simple projects with lots of related files, compiled to a lib for the purpose of linking into the EXE - these correspond roughly to the areas of the program we want to split to BPLs, by the way. There don't seem to be project options for the LIB projects that would affect RTL linking, unless we've missed them.
I have exhaustively hunted through Depends and looked at all RTL and CC32*.dll files the EXE and every single DLL references. All are identical: rtl140.bpl and CC32100MT.DLL. Fully qualified paths show they are the same files, too. Everything should be using the one same run-time library.
Edit: The final EXE is complex, built with several libs, several DLLs, etc. All these, when built with C++Builder, are built with the current version. Is it possible there's something in one of these DLLs or LIBs that could cause a problem? I don't know enough about how the RTL is linked in to be sure about where to look... my (naive?) assumption is that the linker would normally link in one set of RTL functions, but that of course doesn't seem to be happening... and I don't know how things change when using packages. Is it possible this error has always existed and Codeguard has not flagged it before, because we haven't used something dynamic like a package?
Perhaps another question is, Why would a package have its own RTL anyway, or what would make it count as 'a RTL DLL' to Codeguard?
We're stumped. Absolutely stumped. We've had other problems using BPLs (they seem to be surprisingly tricky things, especially using C++) but have managed to solve them all. This one we've had no luck at all and we'd really appreciate any insights :)
We're using C++Builder 2010 (as part of RAD Studio actually, but with little Delphi code apart from components.)
Edit: Started a bounty. I'd really like to solve this!
Edit 2: Thanks to David Dean for his help (marked as answered below.) Via email, he pointed out this issue was reproduced in a simple test case by someone else, and is logged in Embarcadero QC as report 86335. Currently there is no fix, but the warning does not appear to indicate a genuine problem (ie, it's probably a spurious error, and while it's a pity to have to click past the dialog when you run, hopefully there's nothing in the error to worry about.)
Since one of these is coming from a .bpl, did you try turning off "Build with runtime packages" in the project options?
We had a similar problem. We tracked it down to a (non VCL) .cbproj that was created without the "Multithreaded" option.
As far as I can tell, the only time you get chance to set this option is when you create a new .cbproj, it cannot be changed afterwards using the GUI. We ended up "hacking" the .cbproj to include the following:
<Multithreaded>true</Multithreaded>
To determine which dll is causing the issue, it should be the last dll loaded in the output window just before you see the CG message.
Did you check if you use _TCHAR as char. We had some similar problems with RAD Studio and we found a workaround using _TCHAR as char. As soon as one DLL or BPL Project is compiled with wchar_t, this code guard error appears.
We also figured out, that EXE projects can be compiled with TCHAR = wchar_t without any problem (the main function will be WIDE).
The settings does not affect the GUI being able to handle UNICODE.
A customer logged a similar case in our public bug tracking system and the bug has been identified and fixed in the latest release.

Delphi 2007 and {$IFDEF...} directive, fails to see our conditional

We have the following in our codebase, in a component file:
{$IFDEF ADO}
FDatabase : TADODatabase;
{$ELSE}
FDatabase : TODBCDatabase;
{$ENDIF}
The reason is that for various legacy applications, one or the other type of database connection and set of classes is to be used.
However, while configuring a new machine, it seems that our conditionals aren't taken into account. In the project settings, it says "ADO;DEBUG", and yet it compiles the above code with the odbc type instead.
The odd thing is that it isn't consistent. Two different units built as part of the same project uses separate settings. In other words, in one place our conditional is visible, in another it is not.
The file that compiles wrong does not have any {$UNDEF or similar directives, nor does it include any files.
What am I missing here?
Solved (ugh): Right, Delphi is just being boneheaded, or whatnot.
We found these:
I get “F1026 File not found”, OR some compiler options are not passed to the compiler from the IDE.
Configuration='Debug' Platform='BNB'
Which both mention the "Platform=BNB" setting. By enabling the diagnostic output, we see that exact value. So we try to override it per the articles, no luck, still BNB. Then we go to the project settings, turns out it can be overriden there as well, so we do that too, still no luck.
Turns out the Delphi installer, or whatnot, has added a "Platform=BNB" environment variable on operating system level, removing that, restarting Delphi, and all is well.
Well, as well as can be expected. We still have to use Delphi though.
You should always make a "build all" when you change those conditions.
It could be that one unit is actually not re-compiled. Check the following:
Is the .pas file included into the project?
Is there another file (.pas or .dcu) with the same name in the search path? It's possible the IDE sees a different file than the compiler.
Is the file actually compiled? Compare the timestamps of the .pas and the .dcu file.
Do you compile for another platform? Some compiler options are not passed unless the platform is "AnyCPU".
Whenever I encounter problems like this I brute-force delete every .dcu file in my project and component folders just in case the "Build all" doesn't remove all stale .dcus. The following recompile either solves the problem or reveals if any wrong .dcu was used.

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