Add tests for concatenate_string_literals

test cases/common/140 get define/concat.h

@@ -7,6 +7,17 @@
 
 #define TEST_VERSION_STR                                       \
     TEST_STRINGIFY(TEST_VERSION_MAJOR)                         \
-  "." TEST_STRINGIFY(TEST_VERSION_MINOR) "." TEST_STRINGIFY(TEST_VERSION_BUGFIX)
+    "." TEST_STRINGIFY(TEST_VERSION_MINOR) "." TEST_STRINGIFY( \
+        TEST_VERSION_BUGFIX)
 
-// TEST_VERSION_STR "6" "." "0" "." "0"
+#define TEST_CONCAT_1 \
+    "ab"              \
+    "cd"              \
+    "ef"
+#define TEST_CONCAT_2 1
+#define TEST_CONCAT_3 1 2 3
+#define TEST_CONCAT_4 "ab" 1 "cd"
+#define TEST_CONCAT_5 \
+    "ab\""            \
+    "cd"
+#define TEST_CONCAT_6 "ab\" \"cd"

test cases/common/140 get define/meson.build

@@ -84,4 +84,18 @@ foreach lang : ['c', 'cpp']
   have = cc.get_define('TEST_VERSION_STR',
         prefix : '#include <concat.h>', include_directories: include_directories('.'), concatenate_string_literals: true)
   assert(have == '"6.0.0"', 'TEST_VERSION_STR value is "@0@" instead of ""6.0.0""'.format(have))
+
+  concat_examples = {
+  'TEST_CONCAT_1': '"abcdef"',
+  'TEST_CONCAT_2': '1',
+  'TEST_CONCAT_3': '1 2 3',
+  'TEST_CONCAT_4': '"ab" 1 "cd"',
+  'TEST_CONCAT_5': '"ab\"cd"',
+  'TEST_CONCAT_6': '"ab\" \"cd"',
+  }
+  foreach def,expected : concat_examples
+    have = cc.get_define(def,
+          prefix : '#include <concat.h>', include_directories: include_directories('.'), concatenate_string_literals: true)
+    assert(have == expected, '@0@ value is "@1@" instead of "@2@"'.format(def, have, expected))
+  endforeach
 endforeach