abcdef >= abcdef = 1
abcdef >= vwuxyz = 0
vwuxyz >= abcdef = 1
+abcdef == abcdef = 1
+abcdef == vwuxyz = 0
+abcdef != abcdef = 0
+abcdef != vwuxyz = 1
+abcdef == abcdef = 1
+abcdef == vwuxyz = 0
+abcdef != abcdef = 0
+abcdef != vwuxyz = 1
+abcdef == = 0
+abcdef != = 1
+abcdef < = 0
+abcdef > = 1
PASS string_compare (exit status: 0)