Minor Refactoring

- Added support for more type-specific checks of attribute values.
- Added support for more type-specific attribute rendering.
- Improved generalized methods for checking columns in a report.
- Added unit tests.
- Minor code cleanup.
- Added secret hidden feature for internal testing.

test/duration.t.cpp

@@ -49,7 +49,7 @@ int convertDuration (const std::string& input)
 
 int main (int argc, char** argv)
 {
-  UnitTest t (643);
+  UnitTest t (644);
 
   Duration d;
 
@@ -791,6 +791,10 @@ int main (int argc, char** argv)
     left -= right;
     t.is ((int)(time_t)left,   1, "3 -= 2, 3 is now 1");
     t.is ((int)(time_t)right,  2, "3 -= 2, 2 is still 2");
+
+    // Assorted regression tests.
+    left = Duration ("-864000.00000");
+    t.is ((int)(time_t)left, 864000, "-864000.00000 -> 864000");
   }
 
   catch (const std::string& e) { t.diag (e); }

test/nibbler.t.cpp

@@ -39,15 +39,15 @@ int main (int argc, char** argv)
 {
 #ifdef NIBBLER_FEATURE_DATE
 #ifdef NIBBLER_FEATURE_REGEX
-  UnitTest t (296);
+  UnitTest t (299);
 #else
-  UnitTest t (272);
+  UnitTest t (275);
 #endif
 #else
 #ifdef NIBBLER_FEATURE_REGEX
-  UnitTest t (246);
+  UnitTest t (249);
 #else
-  UnitTest t (222);
+  UnitTest t (225);
 #endif
 #endif
 
@@ -303,6 +303,11 @@ int main (int argc, char** argv)
     t.is    (d, 2.0, 0.000001,        "'2.0' : getNumber ()                -> '2.0'");
     t.ok    (n.depleted (),           "            '' : depleted ()        -> true");
 
+    n = Nibbler ("-864000.00000");
+    t.ok    (n.getNumber (d),         "'-864000.00000' : getNumber ()      -> true");
+    t.is    (d, -864000.0,            "'-864000.00000' : getNumber ()      -> -864000.0");
+    t.ok    (n.depleted (),           "             '' : depleted ()       -> true");
+
     // bool getLiteral (const std::string&);
     t.diag ("Nibbler::getLiteral");
     n = Nibbler ("foobar");