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v4 / vlib / v / builder / gc_flags_test.v
60 lines · 55 sloc · 1.92 KB · db39f2e0bc5bb212975a164c3536f441d7e9efbe
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1module builder


2


3import os


4


5fn execute_without_vflags(cmd string) os.Result {


6    old_vflags := os.getenv_opt('VFLAGS')


7    os.unsetenv('VFLAGS')


8    res := os.execute(cmd)


9    if vflags := old_vflags {


10        os.setenv('VFLAGS', vflags, true)


11    } else {


12        os.unsetenv('VFLAGS')


13    }


14    return res


15}


16


17fn test_macos_tcc_boehm_uses_bundled_libgc() {


18    $if !macos {


19        return


20    }


21    $if arm64 {


22        // TCC on macOS arm64 cannot link the i386/asm path that this test exercises.


23        return


24    }


25    exe_path := os.join_path(os.vtmp_dir(), 'builder_gc_flags_test')


26    source_path := os.join_path(@VEXEROOT, 'examples', 'hello_world.v')


27    cmd := '${os.quoted_path(@VEXE)} -showcc -cc tcc -no-retry-compilation -o ${os.quoted_path(exe_path)} ${os.quoted_path(source_path)}'


28    res := execute_without_vflags(cmd)


29    defer {


30        os.rm(exe_path) or {}


31    }


32    assert res.exit_code == 0


33    // macOS amd64 tccbin only ships libgc.a (no .dylib).


34    assert res.output.contains('thirdparty/tcc/lib/libgc.a')


35    assert !res.output.contains(' -lgc')


36}


37


38fn test_linux_musl_tcc_boehm_uses_system_libgc() {


39    $if !linux {


40        return


41    }


42    source_path := os.join_path(@VEXEROOT, 'examples', 'hello_world.v')


43    cmd := '${os.quoted_path(@VEXE)} -dump-c-flags - -cc tcc -musl ${os.quoted_path(source_path)}'


44    res := execute_without_vflags(cmd)


45    assert res.exit_code == 0, res.output


46    assert res.output.contains('-lgc')


47    assert !res.output.contains('thirdparty/tcc/lib/libgc.a')


48}


49


50fn test_no_gc_thread_local_alloc_uses_source_libgc_without_tla_define() {


51    source_path := os.join_path(@VEXEROOT, 'examples', 'hello_world.v')


52    cmd := '${os.quoted_path(@VEXE)} -dump-c-flags - -d no_gc_thread_local_alloc ${os.quoted_path(source_path)}'


53    res := execute_without_vflags(cmd)


54    assert res.exit_code == 0, res.output


55    normalized := res.output.replace('\\', '/')


56    assert !normalized.contains('thirdparty/tcc/lib/libgc')


57    assert !normalized.contains('\n-lgc\n')


58    assert normalized.contains('-D GC_THREADS=1')


59    assert !normalized.contains('THREAD_LOCAL_ALLOC')


60}


61