[Matlab] Refactor Group index use

Author: mpsonntag

+nix/Group.m

@@ -42,7 +42,8 @@
             r = nix.Utils.open_entity(obj, 'getDataArray', id_or_name, @nix.DataArray);
         end
 
-        function r = open_data_array_idx(obj, idx)
+        function r = open_data_array_idx(obj, index)
+            idx = nix.Utils.handle_index(index);
             r = nix.Utils.open_entity(obj, 'openDataArrayIdx', idx, @nix.DataArray);
         end
 
@@ -82,7 +83,8 @@
             r = nix.Utils.open_entity(obj, 'getTag', id_or_name, @nix.Tag);
         end
 
-        function r = open_tag_idx(obj, idx)
+        function r = open_tag_idx(obj, index)
+            idx = nix.Utils.handle_index(index);
             r = nix.Utils.open_entity(obj, 'openTagIdx', idx, @nix.Tag);
         end
 
@@ -118,7 +120,8 @@
             r = nix.Utils.open_entity(obj, 'getMultiTag', id_or_name, @nix.MultiTag);
         end
 
-        function r = open_multi_tag_idx(obj, idx)
+        function r = open_multi_tag_idx(obj, index)
+            idx = nix.Utils.handle_index(index);
             r = nix.Utils.open_entity(obj, 'openMultiTagIdx', idx, @nix.MultiTag);
         end
 

tests/TestGroup.m

@@ -802,9 +802,9 @@
     g.add_data_array(d2);
     g.add_data_array(d3);
 
-    assert(strcmp(f.blocks{1}.groups{1}.open_data_array_idx(0).name, d1.name));
-    assert(strcmp(f.blocks{1}.groups{1}.open_data_array_idx(1).name, d2.name));
-    assert(strcmp(f.blocks{1}.groups{1}.open_data_array_idx(2).name, d3.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_data_array_idx(1).name, d1.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_data_array_idx(2).name, d2.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_data_array_idx(3).name, d3.name));
 end
 
 function [] = test_open_tag_idx( varargin )
@@ -819,9 +819,9 @@
     g.add_tag(t2);
     g.add_tag(t3);
 
-    assert(strcmp(f.blocks{1}.groups{1}.open_tag_idx(0).name, t1.name));
-    assert(strcmp(f.blocks{1}.groups{1}.open_tag_idx(1).name, t2.name));
-    assert(strcmp(f.blocks{1}.groups{1}.open_tag_idx(2).name, t3.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_tag_idx(1).name, t1.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_tag_idx(2).name, t2.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_tag_idx(3).name, t3.name));
 end
 
 function [] = test_open_multi_tag_idx( varargin )
@@ -837,9 +837,9 @@
     g.add_multi_tag(t2);
     g.add_multi_tag(t3);
 
-    assert(strcmp(f.blocks{1}.groups{1}.open_multi_tag_idx(0).name, t1.name));
-    assert(strcmp(f.blocks{1}.groups{1}.open_multi_tag_idx(1).name, t2.name));
-    assert(strcmp(f.blocks{1}.groups{1}.open_multi_tag_idx(2).name, t3.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_multi_tag_idx(1).name, t1.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_multi_tag_idx(2).name, t2.name));
+    assert(strcmp(f.blocks{1}.groups{1}.open_multi_tag_idx(3).name, t3.name));
 end
 
 function [] = test_open_source_idx( varargin )