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pylibfdt: Add support for fdt_parent_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 11:17:58 -06:00 • committed by David Gibson
parent a198af8034
commit a3ae437236
2 changed files with 28 additions and 0 deletions
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13
tests/pylibfdt_tests.py
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@ -295,5 +295,18 @@ class PyLibfdtTests(unittest.TestCase):
node2 = self.fdt.path_offset('/subnode@2')
self.assertEquals(0x2000, self.fdt.get_phandle(node2))
def testParentOffset(self):
"""Test for the parent_offset() method"""
self.assertEquals(-libfdt.NOTFOUND,
self.fdt.parent_offset(0, QUIET_NOTFOUND))
with self.assertRaises(FdtException) as e:
self.fdt.parent_offset(0)
self.assertEquals(e.exception.err, -libfdt.NOTFOUND)
node1 = self.fdt.path_offset('/subnode@2')
self.assertEquals(0, self.fdt.parent_offset(node1))
node2 = self.fdt.path_offset('/subnode@2/subsubnode@0')
self.assertEquals(node1, self.fdt.parent_offset(node2))
if __name__ == "__main__":
unittest.main()