Google-test Emscripten Port

[raytrace]

Hi guys, Just want to know: is Google-Test Emscripten Port available? if not, how to integrate it in Emscripten?  Any advice would be greatly appreciated.

Thanks

[chai2010]

I create a mini test (similar with gtest), and it can works on emscripten.

https://github.com/chai2010/cc-mini-test

2015-05-28 17:26 GMT+08:00 raytrace <dawe...@gmail.com>:

Hi guys, Just want to know: is Google-Test Emscripten Port available? if not, how to integrate it in Emscripten?  Any advice would be greatly appreciated.

Thanks

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https://github.com/golang-china

https://github.com/chai2010

[Jukka Jylänki]

Haven't overheard of anyone who would have built that and I'm not familiar with Google Test code, but quickly glancing here https://code.google.com/p/googletest/source/browse/#svn%2Ftrunk%2Fsrc and here https://code.google.com/p/googletest/source/browse/#svn%2Ftrunk%2Finclude%2Fgtest , I don't see any platform-specific code files, so it might all just be platform independent C++ code, in which case it will most likely compile without modifications. There does exist a CMakeLists.txt at https://code.google.com/p/googletest/source/browse/#svn%2Ftrunk%253Fstate%253Dclosed and a configure script, so using either of those to build might work.

2015-05-28 12:26 GMT+03:00 raytrace <dawe...@gmail.com>:

Hi guys, Just want to know: is Google-Test Emscripten Port available? if not, how to integrate it in Emscripten?  Any advice would be greatly appreciated.

Thanks

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[chronotext]

Hi was able to build Google Test for Emscripten via cmake as follows:

cd googletest

mkdir build

cd build

emcmake cmake -Dgtest_disable_pthreads=ON ..

And then:

emmake make

Note that it failed with 'cxxabi.h' file not found,  so I had to create a symbolic-link

to ${EMSCRIPTEN_ROOT}/system/lib/libcxxabi/include/cxxabi.h

in ${EMSCRIPTEN_ROOT}/system/local/include

I wonder cxxabi.h is not automatically included by Emscripten? (as it seems to be properly linked into libc.bc...)

(FWIW: I'm on OSX, with a manual-build of Emscripten 1.32.)

HTH

[Dawei Fei]

Awsome. Thanks for you guys. It sounds Chronotext resolved this problem perfectly. 

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[Jean-Marc Le Roux]

We encountered the same problem. The symbolic link might work, but that's still a problem if you have to patch Emscripten.

Can we expect this to be fixed anytime soon?

Having Google Test working out of the box would be lovely for us since and would be incredibly helpful to diagnose Emscripten-specific issues in our code.

Thanks you!

[Alon Zakai]

Discussion on the symbolic link issue with cxxabi.h is at https://github.com/kripken/emscripten/issues/3484

- Alon

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[chronotext]

Follow-up:

I have created a git repo for building Google Test for Emscripten (and a few other platforms...)

https://github.com/arielm/chronotext-gtest

HTH,

Ariel

[Dawei Fei]

Good Job! Thanks, Ariel.

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[Warren Seine]

Hi,

This issue still exists. I've managed to workaround it by adding an additional "-I" in the search path, but there's something else now.

When I compile link against Google Test (which compiles fine), Emscripten complains about an unresolved symbol: putchar.

I can't find any reference to putchar anywhere in the source code of Google Test, and from what I read, putchar is usually a compiler macro which resolves to putc(c, stdout).

I simply added a JavaScript function that somehow simulates the behavior (it's not actually critical to the project...) and it works. Here's how it looks:

    putchar: function(c) {

        console.log(String.fromCharCode(c));

    }

Should I report the bug on GitHub?

[Alon Zakai]

Yes, please report it and provide a testcase to reproduce the problem.

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