interpreter: Add support for dict addition

1 files changed, 12 insertions, 0 deletions

diff --git a/test cases/common/197 dict/meson.build b/test cases/common/197 dict/meson.build
index e1ee2e33b..41eea3193 100644
--- a/test cases/common/197 dict/meson.build
+++ b/test cases/common/197 dict/meson.build
@@ -21,3 +21,15 @@ empty_dict = {}
 foreach key, value : empty_dict
   assert(false, 'This dict should be empty')
 endforeach
+
+d1 = empty_dict + {'a' : 'b'}
+assert(d1 == {'a' : 'b'}, 'dict addition is not working')
+
+d2 = d1 + {'a' : 'b2', 'c' : 'd'}
+assert(d2 == {'a' : 'b2', 'c' : 'd'}, 'dict addition is not working')
+assert(d1 == {'a' : 'b'}, 'dict should be immutable')
+
+d3 = d2
+d3 += {'e' : 'f'}
+assert(d3 == {'a' : 'b2', 'c' : 'd', 'e' : 'f'}, 'dict plusassign is not working')
+assert(d2 == {'a' : 'b2', 'c' : 'd'}, 'dict should be immutable')