completify: add missing Block functions and tests

Author: mpsonntag

+nix/Block.m

@@ -44,6 +44,10 @@
             da.write_all(data);
         end
 
+        function hasDA = has_data_array(obj, id_or_name)
+            hasDA = nix_mx('Block::hasDataArray', obj.nix_handle, id_or_name);
+        end;
+        
         function delCheck = delete_data_array(obj, del)
             [delCheck, obj.dataArraysCache] = nix.Utils.delete_entity(obj, ...
                 del, 'nix.DataArray', 'Block::deleteDataArray', obj.dataArraysCache);
@@ -58,6 +62,10 @@
             obj.sourcesCache.lastUpdate = 0;
         end;
 
+        function hasSource = has_source(obj, id_or_name)
+            hasSource = nix_mx('Block::hasSource', obj.nix_handle, id_or_name);
+        end;
+        
         function delCheck = delete_source(obj, del)
             [delCheck, obj.sourcesCache] = nix.Utils.delete_entity(obj, ...
                 del, 'nix.Source', 'Block::deleteSource', obj.sourcesCache);

nix_mx.cc

@@ -114,6 +114,8 @@ void mexFunction(int            nlhs,
             .reg("sources", &nix::Block::sources)
             .reg("tags", &nix::Block::tags)
             .reg("multiTags", &nix::Block::multiTags)
+            .reg("hasDataArray", GETBYSTR(bool, nix::Block, hasDataArray))
+            .reg("hasSource", GETBYSTR(bool, nix::Block, hasSource))
             .reg("hasTag", GETBYSTR(bool, nix::Block, hasTag))
             .reg("hasMultiTag", GETBYSTR(bool, nix::Block, hasMultiTag))
             .reg("openDataArray", GETBYSTR(nix::DataArray, nix::Block, getDataArray))

tests/TestBlock.m

@@ -21,6 +21,8 @@
     funcs{end+1} = @test_open_tag;
     funcs{end+1} = @test_open_multitag;
     funcs{end+1} = @test_open_source;
+    funcs{end+1} = @test_has_data_array;
+    funcs{end+1} = @test_has_source;
     funcs{end+1} = @test_has_multitag;
     funcs{end+1} = @test_has_tag;
     funcs{end+1} = @test_set_metadata;
@@ -371,3 +373,37 @@
 
     assert(strcmp(b.open_metadata.name, 'testSection'));
 end
+
+%% Test: nix.Block has nix.DataArray by ID or name
+function [] = test_has_data_array( varargin )
+    fileName = 'testRW.h5';
+    daName = 'hasDataArrayTest';
+    f = nix.File(fullfile(pwd, 'tests', fileName), nix.FileMode.Overwrite);
+    b = f.createBlock('testblock', 'nixBlock');
+    da = b.create_data_array(daName, 'nixDataArray', 'double', [1 2]);
+    daID = da.id;
+    
+    assert(~b.has_data_array('I do not exist'));
+    assert(b.has_data_array(daName));
+
+    clear da b f;
+    f = nix.File(fullfile(pwd, 'tests', fileName), nix.FileMode.ReadOnly);
+    assert(f.blocks{1}.has_data_array(daID));
+end
+
+%% Test: nix.Block has nix.Source by ID or name
+function [] = test_has_source( varargin )
+    fileName = 'testRW.h5';
+    sName = 'sourcetest1';
+    f = nix.File(fullfile(pwd, 'tests', fileName), nix.FileMode.Overwrite);
+    b = f.createBlock('testblock', 'nixBlock');
+    s = b.create_source(sName, 'nixSource');
+    sID = s.id;
+
+    assert(~b.has_source('I do not exist'));
+    assert(b.has_source(sName));
+
+    clear s b f;
+    f = nix.File(fullfile(pwd, 'tests', fileName), nix.FileMode.ReadOnly);
+    assert(f.blocks{1}.has_source(sID));
+end