39 lines · python
1"""2Test changing setting for expression memory allocation.3"""4 5import lldb6from lldbsuite.test.decorators import *7from lldbsuite.test.lldbtest import *8from lldbsuite.test import lldbutil9 10 11class TestMemoryAllocSettings(TestBase):12 def test(self):13 """Test changing settings for expression memory allocation."""14 self.build()15 target = self.createTestTarget()16 17 self.log_file = self.getBuildArtifact("log-expr.txt")18 19 self.runCmd("settings set target.expr-alloc-address 0xdead0000")20 self.runCmd("settings set target.expr-alloc-size 10000")21 self.runCmd("settings set target.expr-alloc-align 0x1000")22 23 self.runCmd("log enable lldb expr -f " + self.log_file)24 self.runCmd("expression -- int foo; &foo")25 26 self.assertTrue(os.path.isfile(self.log_file))27 with open(self.log_file, "r") as f:28 log = f.read()29 30 alloc0 = re.search("^.*IRMemoryMap::Malloc.+?0xdead0000.*$", log, re.MULTILINE)31 # Malloc adds additional bytes to allocation size, hence 1000732 alloc1 = re.search(33 r"^.*IRMemoryMap::Malloc\s*?\(10007.+?0xdead1000.*$", log, re.MULTILINE34 )35 self.assertTrue(alloc0, "Couldn't find an allocation at a given address.")36 self.assertTrue(37 alloc1, "Couldn't find an allocation of a given size at a given address."38 )39