windows: username java optional

Author: scivision

+stdlib/get_username.m

@@ -1,9 +1,13 @@
 %% GET_USERNAME tell username of current user
-% requires: java
+% optional: java
 %
 function n = get_username()
 
-n = javaSystemProperty("user.name");
+if ispc()
+  n = string(System.Environment.UserName);
+else
+  n = javaSystemProperty("user.name");
+end
 
 end
 

test/TestJava.m

@@ -33,11 +33,6 @@ function test_owner(tc, Ps)
 
 methods(Test, TestTags="java")
 
-function test_username(tc)
-u = stdlib.get_username();
-tc.verifyGreaterThan(strlength(u), 0)
-end
-
 function test_java_vendor(tc)
 v = stdlib.java_vendor();
 tc.verifyGreaterThan(strlength(v), 0)

test/TestSys.m

@@ -18,9 +18,17 @@ function test_platform_int32(tc, fi32)
 
 function test_hostname(tc)
 tc.assumeTrue(ispc() || stdlib.has_java())
+
 h = stdlib.hostname();
 tc.verifyGreaterThan(strlength(h), 0)
 end
 
+function test_username(tc)
+tc.assumeTrue(ispc() || stdlib.has_java())
+
+u = stdlib.get_username();
+tc.verifyGreaterThan(strlength(u), 0)
+end
+
 end
 end