From e251f1489df5468d3f30e5c3fd7a66aa303d5087 Mon Sep 17 00:00:00 2001
From: James Shaw <jshaw@netsurf-browser.org>
Date: Sat, 22 Sep 2007 12:18:28 +0000
Subject: Implement list_contains_all()

svn path=/trunk/dom/; revision=3560
---
 test/list.c | 10 ++++++++++
 test/list.h |  5 +++++
 2 files changed, 15 insertions(+)

(limited to 'test')

diff --git a/test/list.c b/test/list.c
index c2d098f..18b7d01 100644
--- a/test/list.c
+++ b/test/list.c
@@ -62,3 +62,13 @@ bool list_contains(struct list* list, void* data, int (*comparator)(const void*
 	return false;
 }
 
+bool list_contains_all(struct list* superList, struct list* subList, int (*comparator)(const void* a, const void* b)) {
+	struct list_elt* elt = subList->head;
+	while (elt != NULL) {
+		if (!list_contains(superList, elt->data, comparator)) {
+			return false;
+		}
+		elt = elt->next;
+	}
+	return true;
+}
diff --git a/test/list.h b/test/list.h
index 444f5c8..5732032 100644
--- a/test/list.h
+++ b/test/list.h
@@ -32,4 +32,9 @@ void list_add(struct list* list, void* data);
  */
 bool list_contains(struct list* list, void* data, int (*comparator)(const void* a, const void* b));
 
+/**
+ * Tests if superlist contains all elements in sublist.  Order is not important.
+ */
+bool list_contains_all(struct list* superList, struct list* subList, int (*comparator)(const void* a, const void* b));
+
 #endif
-- 
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