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"""
Test changing setting for expression memory allocation.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestMemoryAllocSettings(TestBase):
def test(self):
"""Test changing settings for expression memory allocation."""
self.build()
target = self.createTestTarget()
self.log_file = self.getBuildArtifact("log-expr.txt")
self.runCmd("settings set target.expr-alloc-address 0xdead0000")
self.runCmd("settings set target.expr-alloc-size 10000")
self.runCmd("settings set target.expr-alloc-align 0x1000")
self.runCmd("log enable lldb expr -f " + self.log_file)
self.runCmd("expression -- int foo; &foo")
self.assertTrue(os.path.isfile(self.log_file))
with open(self.log_file, 'r') as f:
log = f.read()
alloc0 = re.search('^.*IRMemoryMap::Malloc.+?0xdead0000.*$', log, re.MULTILINE)
# Malloc adds additional bytes to allocation size, hence 10007
alloc1 = re.search('^.*IRMemoryMap::Malloc\s*?\(10007.+?0xdead1000.*$', log, re.MULTILINE)
self.assertTrue(alloc0, "Couldn't find an allocation at a given address.")
self.assertTrue(alloc1, "Couldn't find an allocation of a given size at a given address.")
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