Started writing unit tests

Added some tests for good input.
Also fixed a bug where an empty loop would crash.

1 files changed, 39 insertions, 9 deletions

diff --git a/ctemplates.c b/ctemplates.c
index d858aa9..e9e36ff 100644
--- a/ctemplates.c
+++ b/ctemplates.c
@@ -747,7 +747,8 @@ TMPL_free_loop(struct TMPL_loop* tl){
 	if(tl->next != NULL){
 		TMPL_free_loop(tl->next);
 	}
-	TMPL_free_varlist(tl->varlist);
+	if(tl->varlist != NULL)
+		TMPL_free_varlist(tl->varlist);
 	free(tl);
 }
 
@@ -874,6 +875,7 @@ render_text(struct TMPL_templates* t, struct TMPL_tagnode* node, struct TMPL_var
 int
 print_pair(any_t indent, any_t b){
 	struct TMPL_varitem* vi = (struct TMPL_varitem*)b;
+	printf("Print pair, varitem is %p, type is %d\n",(void*)vi,(int)vi->type);
 	int* ip = (int*)indent;
 	int ind = *ip;
 	if(vi->type == vartype_var){
@@ -885,7 +887,9 @@ print_pair(any_t indent, any_t b){
 		struct TMPL_loop* cursor;
 		printf("{\n");
 		ind++;
-		for(cursor = vi->item.l; cursor != NULL; cursor = cursor->next){
+		/*If the loop doesn't have any varlists added, the cursor's varlist will be null*/
+		for(cursor = vi->item.l; cursor != NULL && cursor->varlist != NULL; cursor = cursor->next){
+			printf("First iteration though, cursor was %p\n",(void*)cursor);
 			print_varlist_helper(cursor->varlist,ind);
 		}
 		printf("}\n");
@@ -911,12 +915,20 @@ render_if(struct TMPL_templates* t, struct TMPL_tagnode* node, struct TMPL_varli
 	struct TMPL_varitem* vi;
 	int err = hashmap_get(varlist->map,varname,(void**)&vi);
 	struct TMPL_tagnode* cursor;
-	if(err == MAP_OK && strcmp(vi->item.s,testval) == 0){
-		cursor = node->TMPL_tag.ifelse.tbranch;
-		while(cursor != NULL){
-			render_any(t,cursor,varlist);
-			cursor = cursor->next;
+	if(err == MAP_OK){
+		if(testval == NULL){/*Use this if as an existance check*/
+
+		}else if(strcmp(vi->item.s, testval) == 0){
+			cursor = node->TMPL_tag.ifelse.tbranch;
+			while(cursor != NULL){
+				render_any(t,cursor,varlist);
+				cursor = cursor->next;
+			}
+
+		}else{
+
 		}
+
 	}else if(node->TMPL_tag.ifelse.fbranch != NULL){
 		cursor = node->TMPL_tag.ifelse.fbranch;
 		while(cursor != NULL){
@@ -934,10 +946,27 @@ render_elseif(struct TMPL_templates* t, struct TMPL_tagnode* node, struct TMPL_v
 }
 
 int
+resolve_name(struct TMPL_varlist* varlist, char* name,struct TMPL_varitem** item){
+	return hashmap_get(varlist->map,name,(void*)item);
+	/*
+	struct TMPL_varlist* cursor = varlist;
+	int err;
+	do{
+		err = hashmap_get(cursor->map,name,(void*)item);
+		cursor = cursor->parent;
+	}while(cursor != NULL && err == MAP_MISSING);
+	if(err == MAP_MISSING){
+		return MAP_MISSING;
+	}
+	return MAP_OK;
+	*/
+}
+
+int
 render_loop(struct TMPL_templates* t, struct TMPL_tagnode* node, struct TMPL_varlist* varlist){
 	char* loopname = node->TMPL_tag.loop.loopname;
 	struct TMPL_varitem* loop;
-	int err = hashmap_get(varlist->map,loopname,(void*)&loop);
+	int err = resolve_name(varlist,loopname,&loop);
 	if(err != MAP_OK){
 		return -1;
 	}
@@ -946,7 +975,8 @@ render_loop(struct TMPL_templates* t, struct TMPL_tagnode* node, struct TMPL_var
 	nt->errout = t->errout;
 	nt->roottag = node->TMPL_tag.loop.body;
 	struct TMPL_loop* cursor;
-	for(cursor = loop->item.l; cursor != NULL; cursor = cursor->next){
+	/*If the loop has no items, it's varlist will be null*/
+	for(cursor = loop->item.l; cursor != NULL && cursor->varlist != NULL; cursor = cursor->next){
 		if(err != 0){
 		}
 		TMPL_render_helper(nt,cursor->varlist);