Add test for werror which is a boolean type.

run_unittests.py

@@ -1261,7 +1261,6 @@ class LinuxlikeTests(BasePlatformTests):
             # The chown failed nonfatally if we're not root
             self.assertEqual(0, statf.st_uid)
 
-
     def test_cpp_std_override(self):
         testdir = os.path.join(self.unit_test_dir, '6 std override')
         self.init(testdir)
@@ -1280,6 +1279,9 @@ class LinuxlikeTests(BasePlatformTests):
         self.assertNotIn('-std=c++03', c11_comp)
         self.assertNotIn('-std=c++03', plain_comp)
         self.assertNotIn('-std=c++11', plain_comp)
+        # Now werror
+        self.assertIn('-Werror', plain_comp)
+        self.assertNotIn('-Werror', c03_comp)
 
 class RewriterTests(unittest.TestCase):
 

test cases/common/139 override options/meson.build

@@ -4,3 +4,5 @@ project('option override', 'c',
 executable('mustunity', 'one.c', 'two.c')
 executable('notunity', 'three.c', 'four.c',
   override_options : ['unity=false'])
+
+

test cases/unit/6 std override/meson.build

@@ -1,8 +1,10 @@
 project('cpp std override', 'cpp',
-  default_options : 'cpp_std=c++03')
+  default_options : ['cpp_std=c++03',
+                     'werror=true'])
 
 executable('plain', 'progp.cpp',
   override_options : 'cpp_std=none')
-executable('v03', 'prog03.cpp')
+executable('v03', 'prog03.cpp',
+  override_options : 'werror=false')
 executable('v11', 'prog11.cpp',
   override_options : 'cpp_std=c++11')