meson: Add misc unit tests

v2:
has_link_argument requires meson 0.46.0

test/meson.build

@@ -26,3 +26,73 @@ endif
 subdir('bigreq')
 subdir('damage')
 subdir('sync')
+
+if build_xorg
+# Tests that require at least some DDX functions in order to fully link
+# For now, requires xf86 ddx, could be adjusted to use another
+    unit_sources = [
+     '../mi/miinitext.c',
+     'fixes.c',
+     'input.c',
+     'list.c',
+     'misc.c',
+     'signal-logging.c',
+     'string.c',
+     'test_xkb.c',
+     'tests-common.c',
+     'tests.c',
+     'touch.c',
+     'xfree86.c',
+     'xtest.c',
+    ]
+    unit_defines = ['-DXORG_TESTS']
+    unit_includes = [inc, xorg_inc]
+
+    if build_res
+        unit_sources += ['hashtabletest.c']
+        unit_defines += ['-DRES_TESTS']
+    endif
+
+    if meson.version().version_compare('>=0.46.0') and meson.get_compiler('c').has_link_argument('-Wl,-wrap')
+       unit_sources += [
+        'xi1/protocol-xchangedevicecontrol.c',
+        'xi2/protocol-common.c',
+        'xi2/protocol-xiqueryversion.c',
+        'xi2/protocol-xiquerydevice.c',
+        'xi2/protocol-xiselectevents.c',
+        'xi2/protocol-xigetselectedevents.c',
+        'xi2/protocol-xisetclientpointer.c',
+        'xi2/protocol-xigetclientpointer.c',
+        'xi2/protocol-xiquerypointer.c',
+        'xi2/protocol-xipassivegrabdevice.c',
+        'xi2/protocol-xiwarppointer.c',
+        'xi2/protocol-eventconvert.c',
+        'xi2/xi2.c',
+       ]
+       unit_defines += ['-DLDWRAP_TESTS']
+       unit_includes += [include_directories('xi1', 'xi2')]
+       ldwraps = [
+        '-Wl,-wrap,dixLookupWindow',
+        '-Wl,-wrap,dixLookupClient',
+        '-Wl,-wrap,WriteToClient',
+        '-Wl,-wrap,dixLookupWindow',
+        '-Wl,-wrap,XISetEventMask',
+        '-Wl,-wrap,AddResource',
+        '-Wl,-wrap,GrabButton',
+       ]
+    else
+       ldwraps = []
+       message('ld -wrap required for xi1 & xi2 unit tests, skipping')
+    endif
+
+    unit = executable('tests',
+         unit_sources,
+         c_args: unit_defines,
+         dependencies: pixman_dep,
+         include_directories: unit_includes,
+         link_args: ldwraps,
+         link_with: xorg_link,
+    )
+
+    test('unit', unit)
+endif