TestObjcOptimized.py [plain text]
"""
Test that objective-c expression parser continues to work for optimized build.
http://llvm.org/viewvc/llvm-project?rev=126973&view=rev
Fixed a bug in the expression parser where the 'this'
or 'self' variable was not properly read if the compiler
optimized it into a register.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
class ObjcOptimizedTestCase(TestBase):
mydir = os.path.join("lang", "objc", "objc-optimized")
myclass = "MyClass"
mymethod = "description"
method_spec = "-[%s %s]" % (myclass, mymethod)
@dsym_test
def test_break_with_dsym(self):
"""Test 'expr member' continues to work for optimized build."""
self.buildDsym()
self.objc_optimized()
@dwarf_test
def test_break_with_dwarf(self):
"""Test 'expr member' continues to work for optimized build."""
self.buildDwarf()
self.objc_optimized()
def objc_optimized(self):
"""Test 'expr member' continues to work for optimized build."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_symbol (self, self.method_spec, num_expected_locations=1, sym_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
substrs = ["stop reason = breakpoint"],
patterns = ["frame.*0:.*%s %s" % (self.myclass, self.mymethod)])
self.expect('expression member',
startstr = "(int) $0 = 5")
self.expect('expression self',
startstr = "(%s *) $1 = " % self.myclass)
self.expect('expression self->non_member', error=True,
substrs = ["does not have a member named 'non_member'"])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()