Addresses #293

Addresses #307
Write lock tests. Bug fix on borderwrite check. 

git-svn-id: file:///svn/tokudb@2078 c7de825b-a66e-492c-adef-691d508d4ae1

src/lock_tree/locktree.c

@@ -824,12 +824,10 @@ static int __toku_lt_borderwrite_insert(toku_lock_tree* tree,
     int r;
     toku_range_tree* borderwrite = tree->borderwrite;   assert(borderwrite);
     const u_int32_t query_size = 1;
-    toku_range   buffer[query_size];
-    u_int32_t     buflen     = query_size;
-    toku_range*  buf        = &buffer[0];
 
     u_int32_t numfound;
-    r = toku_rt_find(borderwrite, query, query_size, &buf, &buflen, &numfound);
+    r = toku_rt_find(borderwrite, query, query_size, &tree->buf, &tree->buflen,
+                     &numfound);
     if (r!=0) return __toku_lt_panic(tree);
     assert(numfound <= query_size);
 

src/lock_tree/tests/test.h

@@ -9,6 +9,8 @@
 #include <errno.h>
 int verbose=0;
 
+BOOL want_panic = FALSE;
+
 int toku_keycompare (bytevec key1, ITEMLEN key1len, bytevec key2, ITEMLEN key2len) {
     int comparelen = key1len<key2len ? key1len : key2len;
     const unsigned char *k1;
@@ -41,6 +43,7 @@ BOOL panicked = FALSE;
 int dbpanic(DB* db) {
     if (verbose) printf("AHH!!!!  Run away %p!!!\n", db);
     panicked = TRUE;
+    assert(want_panic);
     return EINVAL;
 }