[babl] Add tests

[Øyvind Kolås <ok src gnome org>]

commit 7fb1cfec83e07161ed3f68cd39a5c2cc7dee67d1
Author: Félix Piédallu <felix piedallu me>
Date:   Thu Nov 23 18:12:09 2017 +0100

    Add tests

 meson.build       |   19 +++++++++----------
 tests/meson.build |   45 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 10 deletions(-)
---
diff --git a/meson.build b/meson.build
index 098e83e..68f6414 100644
--- a/meson.build
+++ b/meson.build
@@ -11,7 +11,7 @@
 # if backwards compatibility has been broken,
 #    set BABL_BINARY_AGE _and_ BABL_INTERFACE_AGE to 0.
 
-project('babl', ['c', 'cpp'], version : '0.1.39',
+project('babl', 'c', version : '0.1.39',
   meson_version : '>=0.40.0',
   default_options : [
     'sysconfdir=/etc',
@@ -27,7 +27,6 @@ i18n      = import('i18n')
 gnome     = import('gnome')
 
 cc        = meson.get_compiler('c')
-cxx       = meson.get_compiler('cpp')
 prefix    = get_option('prefix')
 buildtype = get_option('buildtype')
 
@@ -107,7 +106,7 @@ os_win32 = host_os.startswith('mingw')
 
 platform_osx = host_os.startswith('darwin')
 if platform_osx
-  if cc.get_id() != 'clang' or cxx.get_id() != 'clang'
+  if cc.get_id() != 'clang'
     error('You should use CLang++ on OSx.')
   endif
 endif
@@ -147,37 +146,37 @@ have_tls = (have_tls_run.compiled() and have_tls_run.returncode() == 0)
 has_ssem = cc.has_argument('-mfpmath=sse')
 if has_ssem
   add_project_arguments('-mfpmath=sse',
-    language: ['c', 'cxx'])
+    language: 'c')
 endif
 
 has_mmx  = cc.has_argument('-mmmx') and get_option('enable-mmx')
 if has_mmx
   add_project_arguments(   '-mmmx',
-    language: ['c', 'cxx'])
+    language: 'c')
 endif
 
 has_sse  = cc.has_argument('-msse') and get_option('enable-sse')
 if has_sse
   add_project_arguments(   '-msse',
-    language: ['c', 'cxx'])
+    language: 'c')
 endif
 
 has_sse2 = cc.has_argument('-msse2') and get_option('enable-sse2')
 if has_sse2
   add_project_arguments(   '-msse2',
-    language: ['c', 'cxx'])
+    language: 'c')
 endif
 
 has_sse41= cc.has_argument('-msse4.1') and get_option('enable-sse4_1')
 if has_sse41
   add_project_arguments(   '-msse4.1',
-    language: ['c', 'cxx'])
+    language: 'c')
 endif
 
 had_f16c= cc.has_argument('-mf16c') and get_option('enable-f16c')
 if had_f16c
   add_project_arguments(   '-mf16c',
-    language: ['c', 'cxx'])
+    language: 'c')
 endif
 
 have_dlfcn_h = cc.has_header('dlfcn.h')
@@ -250,7 +249,7 @@ rootInclude = include_directories('.')
 
 subdir('babl')
 # subdir('extensions')
-# subdir('tests')
+subdir('tests')
 # subdir('tools')
 if get_option('with-docs')
   # subdir('docs')
diff --git a/tests/meson.build b/tests/meson.build
new file mode 100644
index 0000000..0490c2c
--- /dev/null
+++ b/tests/meson.build
@@ -0,0 +1,45 @@
+
+test_names = [
+  'babl_class_name',
+  'cairo-RGB24',
+  'chromaticities',
+  'extract',
+  'float-to-8bit',
+  'floatclamp',
+  'grayscale_to_rgb',
+  'hsl',
+  'hsva',
+  'models',
+  'n_components_cast',
+  'n_components',
+  'nop',
+  'palette',
+  'rgb_to_bgr',
+  'rgb_to_ycbcr',
+  'sanity',
+  'srgb_to_lab_u8',
+  'transparent',
+  'types',
+]
+if true or os_unix
+  test_names += [ 'concurrency-stress-test', 'palette-concurrency-stress-test' ]
+endif
+
+foreach test_name : test_names
+  test = executable(test_name,
+    test_name + '.c',
+    include_directories: [ rootInclude, bablInclude, ],
+    link_with: [ babl, ],
+    dependencies: [ thread, ],
+    install: false,
+  )
+
+  test(test_name,
+    test,
+    env: [
+      'LD_LIBRARY_PATH='+ join_paths(meson.build_root(), 'babl') + ':$LD_LIBRARY_PATH',
+      'GI_TYPELIB_PATH='+ join_paths(meson.build_root(), 'babl'),
+      'BABL_PATH='      + join_paths(meson.build_root(), 'extensions'),
+    ],
+  )
+endforeach