binman: Update the _testing entry to support shrinkage
Sometimes entries shrink after packing. As a start towards supporting
this, update the _testing entry to handle the test case.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/binman/etype/_testing.py b/tools/binman/etype/_testing.py
index 4a2e4eb..25a6206 100644
--- a/tools/binman/etype/_testing.py
+++ b/tools/binman/etype/_testing.py
@@ -31,8 +31,8 @@
return-invalid-entry: Return an invalid entry from GetOffsets()
return-unknown-contents: Refuse to provide any contents (to cause a
failure)
- bad-update-contents: Implement ProcessContents() incorrectly so as to
- cause a failure
+ bad-update-contents: Return a larger size in ProcessContents
+ bad-shrink-contents: Return a larger size in ProcessContents
never-complete-process-fdt: Refund to process the FDT (to cause a
failure)
require-args: Require that all used args are present (generating an
@@ -51,6 +51,8 @@
'return-unknown-contents')
self.bad_update_contents = fdt_util.GetBool(self._node,
'bad-update-contents')
+ self.bad_shrink_contents = fdt_util.GetBool(self._node,
+ 'bad-shrink-contents')
self.return_contents_once = fdt_util.GetBool(self._node,
'return-contents-once')
self.bad_update_contents_twice = fdt_util.GetBool(self._node,
@@ -76,7 +78,7 @@
if self.force_bad_datatype:
self.GetEntryArgsOrProps([EntryArg('test-bad-datatype-arg', bool)])
self.return_contents = True
- self.contents = b'a'
+ self.contents = b'aa'
def ObtainContents(self):
if self.return_unknown_contents or not self.return_contents:
@@ -93,14 +95,25 @@
return {}
def ProcessContents(self):
+ data = self.contents
if self.bad_update_contents:
# Request to update the contents with something larger, to cause a
# failure.
if self.bad_update_contents_twice:
- self.contents += b'a'
+ data = self.data + b'a'
else:
- self.contents = b'aa'
- return self.ProcessContentsUpdate(self.contents)
+ data = b'aaa'
+ return self.ProcessContentsUpdate(data)
+ if self.bad_shrink_contents:
+ # Request to update the contents with something smaller, to cause a
+ # failure.
+ data = b'a'
+ return self.ProcessContentsUpdate(data)
+ if self.bad_shrink_contents:
+ # Request to update the contents with something smaller, to cause a
+ # failure.
+ data = b'a'
+ return self.ProcessContentsUpdate(data)
return True
def ProcessFdt(self, fdt):
diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py
index 64c6c0a..f8568d7 100644
--- a/tools/binman/ftest.py
+++ b/tools/binman/ftest.py
@@ -1236,7 +1236,7 @@
state.SetAllowEntryExpansion(False)
with self.assertRaises(ValueError) as e:
self._DoReadFile('059_change_size.dts', True)
- self.assertIn("Node '/binman/_testing': Cannot update entry size from 1 to 2",
+ self.assertIn("Node '/binman/_testing': Cannot update entry size from 2 to 3",
str(e.exception))
finally:
state.SetAllowEntryExpansion(True)
@@ -1252,7 +1252,7 @@
'image-pos': 0,
'offset': 0,
'_testing:offset': 32,
- '_testing:size': 1,
+ '_testing:size': 2,
'_testing:image-pos': 32,
'section@0/u-boot:offset': 0,
'section@0/u-boot:size': len(U_BOOT_DATA),
@@ -2135,9 +2135,9 @@
def testEntryExpand(self):
"""Test expanding an entry after it is packed"""
data = self._DoReadFile('121_entry_expand.dts')
- self.assertEqual(b'aa', data[:2])
- self.assertEqual(U_BOOT_DATA, data[2:2 + len(U_BOOT_DATA)])
- self.assertEqual(b'aa', data[-2:])
+ self.assertEqual(b'aaa', data[:3])
+ self.assertEqual(U_BOOT_DATA, data[3:3 + len(U_BOOT_DATA)])
+ self.assertEqual(b'aaa', data[-3:])
def testEntryExpandBad(self):
"""Test expanding an entry after it is packed, twice"""
@@ -2149,9 +2149,9 @@
def testEntryExpandSection(self):
"""Test expanding an entry within a section after it is packed"""
data = self._DoReadFile('123_entry_expand_section.dts')
- self.assertEqual(b'aa', data[:2])
- self.assertEqual(U_BOOT_DATA, data[2:2 + len(U_BOOT_DATA)])
- self.assertEqual(b'aa', data[-2:])
+ self.assertEqual(b'aaa', data[:3])
+ self.assertEqual(U_BOOT_DATA, data[3:3 + len(U_BOOT_DATA)])
+ self.assertEqual(b'aaa', data[-3:])
def testCompressDtb(self):
"""Test that compress of device-tree files is supported"""