centralized ensure dir

fuzz.ce

@@ -12,6 +12,7 @@
 var fd = use('fd')
 var time = use('time')
 var json = use('json')
+var testlib = use('internal/testlib')
 
 var os_ref = use('internal/os')
 var analyze = os_ref.analyze
@@ -54,48 +55,9 @@ if (!run_ast_noopt_fn) {
 // Ensure failures directory exists
 var failures_dir = "tests/fuzz_failures"
 
-function ensure_dir(path) {
-  if (fd.is_dir(path)) return
-  var parts = array(path, '/')
-  var current = ''
-  var j = 0
-  while (j < length(parts)) {
-    if (parts[j] != '') {
-      current = current + parts[j] + '/'
-      if (!fd.is_dir(current)) {
-        fd.mkdir(current)
-      }
-    }
-    j = j + 1
-  }
-}
-
-// Deep comparison
-function values_equal(a, b) {
-  var j = 0
-  if (a == b) return true
-  if (is_null(a) && is_null(b)) return true
-  if (is_null(a) || is_null(b)) return false
-  if (is_array(a) && is_array(b)) {
-    if (length(a) != length(b)) return false
-    j = 0
-    while (j < length(a)) {
-      if (!values_equal(a[j], b[j])) return false
-      j = j + 1
-    }
-    return true
-  }
-  return false
-}
-
-function describe(val) {
-  if (is_null(val)) return "null"
-  if (is_text(val)) return `"${val}"`
-  if (is_number(val)) return text(val)
-  if (is_logical(val)) return text(val)
-  if (is_function(val)) return "<function>"
-  return "<other>"
-}
+var ensure_dir = fd.ensure_dir
+var values_equal = testlib.values_equal
+var describe = testlib.describe
 
 // Run a single fuzz iteration
 function run_fuzz(seed_val) {