test: correct logic

Author: scivision

+stdlib/ram_free.m

@@ -11,6 +11,8 @@
 
 function bytes = ram_free()
 
+bytes = 0;
+
 try
   % memory() was added cross-platform to Octave ~ 2021.
   % Matlab memory() at least through R2025a is still Windows only.
@@ -22,17 +24,7 @@
   switch e.identifier
     case {'MATLAB:memory:unsupported', 'Octave:undefined-function'}
       if stdlib.has_java()
-        b = javaMethod("getOperatingSystemMXBean", "java.lang.management.ManagementFactory");
-
-        if stdlib.java_api() < 14
-          bytes = b.getFreePhysicalMemorySize();
-        else
-          bytes = b.getFreeMemorySize();
-        end
-      else
-
-        bytes = 0;
-
+        bytes = ram_free_java();
       end
     otherwise, rethrow(e)
   end
@@ -42,4 +34,17 @@
 
 end
 
-%!assert(ram_free()>0)
+
+function bytes = ram_free_java()
+
+b = javaMethod("getOperatingSystemMXBean", "java.lang.management.ManagementFactory");
+
+if stdlib.java_api() < 14
+  bytes = b.getFreePhysicalMemorySize();
+else
+  bytes = b.getFreeMemorySize();
+end
+
+end
+
+%!assert(ram_free() > 0)

+stdlib/ram_total.m

@@ -30,7 +30,6 @@
 
 bytes = uint64(bytes);
 
-
 end
 
 

.github/workflows/ci-nojvm.yml

@@ -35,6 +35,11 @@ jobs:
 
     - uses: ./.github/workflows/composite-install-matlab
 
+    - name: Matlab tell External Language Interface versions
+      uses: matlab-actions/run-command@v2
+      with:
+        command: stdlib.platform_tell()
+
     - name: Fortran FC
       if: runner.os == 'macOS'
       run: echo "FC=gfortran-14" >> $GITHUB_ENV

test/TestSys.m

@@ -87,9 +87,15 @@ function test_ram_free(tc)
 f = stdlib.ram_free();
 tc.verifyGreaterThan(f, 0)
 tc.verifyClass(f, 'uint64')
+end
+
+function test_ram_free_vs_total(tc)
+t = stdlib.ram_total();
+tc.assumeGreaterThan(t, 0)
+f = stdlib.ram_free();
+tc.assumeGreaterThan(f, 0)
 
-tc.verifyLessThanOrEqual(f, stdlib.ram_total(), ...
-    "Free RAM should be less than or equal to total RAM")
+tc.verifyLessThanOrEqual(f, t, "Free RAM should be less than or equal to total RAM")
 end
 
 end