1 files changed, 16 insertions, 19 deletions

diff --git a/page.c b/page.c
index 864623e..dd3d29a 100644
--- a/page.c
+++ b/page.c
@@ -1,6 +1,7 @@
 #include <stdint.h>
 #include <string.h>
 #include <stdlib.h>
+#include <assert.h>
 
 #ifndef PAGE_SIZE
 #define PAGE_SIZE 4096
@@ -65,32 +66,28 @@ void free_page(struct page *page) {
 }
 
 void move_gap_forward(struct page *page) {
-	if (page->gap_end < PAGE_SIZE) {
-		page->elements[page->gap_start] = page->elements[page->gap_end];
-		page->gap_start++;
-		page->gap_end++;
-	}
+	assert(page->gap_end < PAGE_SIZE);
+	page->elements[page->gap_start] = page->elements[page->gap_end];
+	page->gap_start++;
+	page->gap_end++;
 }
 
 void move_gap_backward(struct page *page) {
-	if (page->gap_start > 0) {
-		page->gap_end--;
-		page->gap_start--;
-		page->elements[page->gap_end] = page->elements[page->gap_start];
-	}
+	assert(page->gap_start > 0);
+	page->gap_end--;
+	page->gap_start--;
+	page->elements[page->gap_end] = page->elements[page->gap_start];
 }
 
 void insert_at_gap(struct page *page, uint8_t c) {
-	if (page->element_count < PAGE_SIZE) {
-		page->elements[page->gap_start] = c;
-		page->gap_start++;
-		page->element_count++;
-	}
+	assert(page->element_count < PAGE_SIZE);
+	page->elements[page->gap_start] = c;
+	page->gap_start++;
+	page->element_count++;
 }
 
 void delete_at_gap(struct page *page) {
-	if (page->gap_start > 0) {
-		page->gap_start--;
-		page->element_count--;
-	}
+	assert(page->gap_start > 0);
+	page->gap_start--;
+	page->element_count--;
 }