add boundary tests. addresses #121

git-svn-id: file:///svn/tokudb@940 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/test_dup_next.c

@@ -6,6 +6,7 @@
 #include <assert.h>
 #include <unistd.h>
 #include <string.h>
+#include <errno.h>
 #include <sys/stat.h>
 #include <arpa/inet.h>
 #include <db.h>
@@ -78,19 +79,21 @@ void expect_cursor_set(DBC *cursor, int k, int expectv) {
     assert(expectv == vv);
 }
 
-void expect_cursor_get(DBC *cursor, int expectk, int expectv, int op) {
+int expect_cursor_get(DBC *cursor, int expectk, int expectv, int op) {
     DBT key, val;
     int r = cursor->c_get(cursor, dbt_init_zero(&key), dbt_init_zero(&val), op);
-    assert(r == 0);
-    assert(key.size == sizeof expectk);
-    int kk;
-    memcpy(&kk, key.data, key.size);
-    assert(val.size == sizeof expectv);
-    int vv;
-    memcpy(&vv, val.data, val.size);
-    if (kk != expectk || vv != expectv) printf("expect key %d got %d - %d %d\n", htonl(expectk), htonl(kk), htonl(expectv), htonl(vv));
-    assert(kk == expectk);
-    assert(vv == expectv);
+    if (r == 0) {
+        assert(key.size == sizeof expectk);
+        int kk;
+        memcpy(&kk, key.data, key.size);
+        assert(val.size == sizeof expectv);
+        int vv;
+        memcpy(&vv, val.data, val.size);
+        if (kk != expectk || vv != expectv) printf("expect key %d got %d - %d %d\n", htonl(expectk), htonl(kk), htonl(expectv), htonl(vv));
+        assert(kk == expectk);
+        assert(vv == expectv);
+    }
+    return r;
 }
 
 void test_dup_next(int n, int dup_mode) {
@@ -124,12 +127,16 @@ void test_dup_next(int n, int dup_mode) {
     DBC *cursor;
     r = db->cursor(db, null_txn, &cursor, 0); assert(r == 0);
 
+    r = expect_cursor_get(cursor, htonl(1), htonl(0), DB_NEXT_DUP); assert(r == EINVAL);
+
     expect_cursor_set(cursor, htonl(1), htonl(0));
     
     for (i=1; i<n; i++) {
-        expect_cursor_get(cursor, htonl(1), htonl(i), DB_NEXT_DUP);
+        r = expect_cursor_get(cursor, htonl(1), htonl(i), DB_NEXT_DUP); assert(r == 0);
     }
 
+    r = expect_cursor_get(cursor, htonl(1), htonl(i), DB_NEXT_DUP); assert(r == DB_NOTFOUND);
+
     r = cursor->c_close(cursor); assert(r == 0);
 
     r = db->close(db, 0); assert(r == 0);