expanduser vector, add unit test

Author: scivision

+hdf5nc/TestUnit.m

@@ -0,0 +1,17 @@
+classdef TestUnit < matlab.unittest.TestCase
+
+methods (Test)
+
+function test_expanduser(tc)
+tc.verifyEmpty(expanduser(string.empty))
+tc.verifyFalse(startsWith(expanduser("~"), "~"))
+tc.verifyFalse(any(startsWith(expanduser(["~","~"]), "~")))
+
+a = expanduser(["~", "foo"]);
+tc.verifyEqual(a(2), "foo")
+tc.verifyNotEqual(a(1), "~")
+end
+
+end
+
+end

+hdf5nc/private/coerce_ds.m

@@ -1,7 +1,7 @@
 function A = coerce_ds(A, dtype)
 % used by h5save and ncsave
 arguments
-  A {mustBeNonempty}
+  A
   dtype string
 end
 

+hdf5nc/private/expanduser.m

@@ -24,18 +24,15 @@
 
 expanded = p;
 
-if ~startsWith(expanded, "~")
-  return
-end
-
 if ispc
   home = getenv('USERPROFILE');
 else
   home = getenv('HOME');
 end
 
 if ~isempty(home)
-  expanded = fullfile(home, extractAfter(expanded, 1));
+  i = startsWith(expanded, "~");
+  expanded(i) = fullfile(home, extractAfter(expanded(i), 1));
 end
 
 end %function