dtoc: Add a unit test for BytesToValue()

Add a simple unit test for one of the cases of this function, so that any
fault can be seen directly, rather than appearing through the failure of
another test.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/dtoc/test_fdt.py b/tools/dtoc/test_fdt.py
index a5234ce1e88..32a020bad2e 100755
--- a/tools/dtoc/test_fdt.py
+++ b/tools/dtoc/test_fdt.py
@@ -19,7 +19,7 @@ for dirname in ['../patman', '..']:
 
 import command
 import fdt
-from fdt import TYPE_BYTE, TYPE_INT, TYPE_STRING, TYPE_BOOL
+from fdt import TYPE_BYTE, TYPE_INT, TYPE_STRING, TYPE_BOOL, BytesToValue
 import fdt_util
 from fdt_util import fdt32_to_cpu
 import libfdt
@@ -121,6 +121,10 @@ class TestFdt(unittest.TestCase):
         node = self.dtb.GetNode('/spl-test')
         self.assertEqual(self.dtb, node.GetFdt())
 
+    def testBytesToValue(self):
+        self.assertEqual(BytesToValue(b'this\0is\0'),
+                         (TYPE_STRING, ['this', 'is']))
+
 class TestNode(unittest.TestCase):
     """Test operation of the Node class"""