hard_link_count: functionalize, test

Author: scivision

+stdlib/+java/hard_link_count.m

@@ -0,0 +1,6 @@
+function c = hard_link_count(p)
+
+opt = javaMethod("values", "java.nio.file.LinkOption");
+c = java.nio.file.Files.getAttribute(javaPathObject(p), "unix:nlink", opt);
+
+end

+stdlib/hard_link_count.m

@@ -12,16 +12,15 @@
 
 c = [];
 
-if stdlib.has_python()
+if isunix() && stdlib.has_java()
+  c = stdlib.java.hard_link_count(p);
+elseif stdlib.has_python()
   c = stdlib.python.hard_link_count(p);
 elseif stdlib.isoctave()
   [s, err] = stat(p);
   if err == 0
     c = s.nlink;
   end
-elseif isunix() && stdlib.has_java()
-  opt = javaMethod("values", "java.nio.file.LinkOption");
-  c = java.nio.file.Files.getAttribute(javaPathObject(p), "unix:nlink", opt);
 end
 
 end

test/TestDisk.m

@@ -11,6 +11,7 @@
 inode_fun = {@stdlib.inode, @stdlib.sys.inode, @stdlib.java.inode, @stdlib.python.inode}
 disk_available_fun = {@stdlib.disk_available, @stdlib.sys.disk_available, @stdlib.dotnet.disk_available, @stdlib.java.disk_available, @stdlib.python.disk_available}
 disk_capacity_fun  = {@stdlib.disk_capacity,  @stdlib.sys.disk_capacity,  @stdlib.dotnet.disk_capacity,  @stdlib.java.disk_capacity,  @stdlib.python.disk_capacity}
+hl_fun = {@stdlib.hard_link_count, @stdlib.java.hard_link_count, @stdlib.python.hard_link_count}
 fst_fun = {@stdlib.filesystem_type, @stdlib.sys.filesystem_type, @stdlib.dotnet.filesystem_type, @stdlib.java.filesystem_type, @stdlib.python.filesystem_type}
 owner_fun = {@stdlib.get_owner, @stdlib.sys.get_owner, @stdlib.dotnet.get_owner, @stdlib.java.get_owner, @stdlib.python.get_owner}
 end
@@ -43,11 +44,12 @@ function test_disk_capacity(tc, Ps, disk_capacity_fun)
 end
 
 
-function test_hard_link_count(tc)
-tc.assumeTrue(stdlib.has_python() || (isunix() && stdlib.has_java()))
+function test_hard_link_count(tc, hl_fun)
+is_capable(tc, hl_fun)
+
 fn = mfilename("fullpath") + ".m";
 
-tc.verifyGreaterThanOrEqual(stdlib.hard_link_count(fn), 1)
+tc.verifyGreaterThanOrEqual(hl_fun(fn), 1)
 end
 
 

test/is_capable.m

@@ -30,7 +30,7 @@ function is_capable(tc, f)
     tc.assumeGreaterThanOrEqual(japi, 11)
   end
 
-  if endsWith(n, "is_admin")
+  if endsWith(n, ["hard_link_count", "is_admin"])
     tc.assumeTrue(isunix())
   end