Better skipped test handling

bench/handlebars.js

@@ -115,16 +115,20 @@ var makeSuite = function(name) {
 
     var error = function() { throw new Error("EWOT"); };
 
-    if (dust) {
-      bench("dust", function() {
-        dust.render(templateName, context, function(err, out) { });
-      });
-    }
-
     bench("handlebars", function() {
       handlebarsTemplates[templateName](context);
     });
 
+    if (dust) {
+      if (details.dust) {
+        bench("dust", function() {
+          dust.render(templateName, context, function(err, out) { });
+        });
+      } else {
+        bench('dust', error);
+      }
+    }
+
     if (eco) {
       if(ecoTemplates[templateName]) {
         bench("eco", function() {
@@ -135,21 +139,28 @@ var makeSuite = function(name) {
       }
     }
 
-    if (Mustache && mustacheSource) {
-      bench("mustache", function() {
-        Mustache.to_html(mustacheSource, context, mustachePartials);
-      });
-    } else {
-      bench("mustache", error);
+    if (Mustache) {
+      if (mustacheSource) {
+        bench("mustache", function() {
+          Mustache.to_html(mustacheSource, context, mustachePartials);
+        });
+      } else {
+        bench("mustache", error);
+      }
     }
   });
 }
 
 for(var name in benchDetails) {
   if(benchDetails.hasOwnProperty(name)) {
-    if (dust) {
+    if (!benchDetails[name].handlebars) {
+      continue;
+    }
+
+    if (dust && benchDetails[name].dust) {
       dust.loadSource(dust.compile(benchDetails[name].dust, name));
     }
+
     handlebarsTemplates[name] = Handlebars.compile(benchDetails[name].handlebars);
 
     if (eco && benchDetails[name].eco) {