dtoc: Add methods for adding and updating properties

Add a few more functions which allow creating and modifying property
values. If only we could do this so easily in the real world.

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

1 files changed, 43 insertions, 0 deletions

diff --git a/tools/dtoc/test_fdt.py b/tools/dtoc/test_fdt.py
index c94e455d12..22a075d6c5 100755
--- a/tools/dtoc/test_fdt.py
+++ b/tools/dtoc/test_fdt.py
@@ -352,6 +352,7 @@ class TestProp(unittest.TestCase):
         with self.assertRaises(libfdt.FdtException) as e:
             self.dtb.Sync(auto_resize=False)
         self.assertIn('FDT_ERR_NOSPACE', str(e.exception))
+        self.dtb.Sync(auto_resize=True)
 
     def testAddNode(self):
         self.fdt.pack()
@@ -364,6 +365,48 @@ class TestProp(unittest.TestCase):
         offset = self.fdt.path_offset('/spl-test/subnode')
         self.assertTrue(offset > 0)
 
+    def testAddMore(self):
+        """Test various other methods for adding and setting properties"""
+        self.node.AddZeroProp('one')
+        self.dtb.Sync(auto_resize=True)
+        data = self.fdt.getprop(self.node.Offset(), 'one')
+        self.assertEqual(0, fdt32_to_cpu(data))
+
+        self.node.SetInt('one', 1)
+        self.dtb.Sync(auto_resize=False)
+        data = self.fdt.getprop(self.node.Offset(), 'one')
+        self.assertEqual(1, fdt32_to_cpu(data))
+
+        val = '123' + chr(0) + '456'
+        self.node.AddString('string', val)
+        self.dtb.Sync(auto_resize=True)
+        data = self.fdt.getprop(self.node.Offset(), 'string')
+        self.assertEqual(val + '\0', data)
+
+        self.fdt.pack()
+        self.node.SetString('string', val + 'x')
+        with self.assertRaises(libfdt.FdtException) as e:
+            self.dtb.Sync(auto_resize=False)
+        self.assertIn('FDT_ERR_NOSPACE', str(e.exception))
+        self.node.SetString('string', val[:-1])
+
+        prop = self.node.props['string']
+        prop.SetData(val)
+        self.dtb.Sync(auto_resize=False)
+        data = self.fdt.getprop(self.node.Offset(), 'string')
+        self.assertEqual(val, data)
+
+        self.node.AddEmptyProp('empty', 5)
+        self.dtb.Sync(auto_resize=True)
+        prop = self.node.props['empty']
+        prop.SetData(val)
+        self.dtb.Sync(auto_resize=False)
+        data = self.fdt.getprop(self.node.Offset(), 'empty')
+        self.assertEqual(val, data)
+
+        self.node.SetData('empty', '123')
+        self.assertEqual('123', prop.bytes)
+
 
 class TestFdtUtil(unittest.TestCase):
     """Tests for the fdt_util module