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pylibfdt: Add support for fdt_subnode_offset()

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Add this into the class to simplify use of this function.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Simon Glass 2017-08-19 11:18:01 -06:00 • committed by David Gibson
parent 46f31b65b3
commit 5bed86aee9
2 changed files with 29 additions and 0 deletions
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12
tests/pylibfdt_tests.py
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@ -118,6 +118,18 @@ class PyLibfdtTests(unittest.TestCase):
fdt = libfdt.Fdt('a string')
self.assertEquals(e.exception.err, -libfdt.BADMAGIC)
def testSubnodeOffset(self):
"""check that we can locate a subnode by name"""
node1 = self.fdt.path_offset('/subnode@1')
self.assertEquals(self.fdt.subnode_offset(0, 'subnode@1'), node1)
with self.assertRaises(FdtException) as e:
self.fdt.subnode_offset(0, 'missing')
self.assertEquals(e.exception.err, -libfdt.NOTFOUND)
node2 = self.fdt.path_offset('/subnode@1/subsubnode')
self.assertEquals(self.fdt.subnode_offset(node1, 'subsubnode'), node2)
def testPathOffset(self):
"""Check that we can find the offset of a node"""
self.assertEquals(self.fdt.path_offset('/'), 0)