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"""
Test calling an expression with errors that a FixIt can fix.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ExprCommandWithFixits(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.main_source = "main.cpp"
self.main_source_spec = lldb.SBFileSpec(self.main_source)
@skipUnlessDarwin
def test_with_target(self):
"""Test calling expressions with errors that can be fixed by the FixIts."""
self.build()
self.try_expressions()
def test_with_dummy_target(self):
"""Test calling expressions in the dummy target with errors that can be fixed by the FixIts."""
ret_val = lldb.SBCommandReturnObject()
result = self.dbg.GetCommandInterpreter().HandleCommand("expression ((1 << 16) - 1))", ret_val)
self.assertEqual(result, lldb.eReturnStatusSuccessFinishResult, "The expression was successful.")
self.assertTrue("Fix-it applied" in ret_val.GetError(), "Found the applied FixIt.")
def try_expressions(self):
"""Test calling expressions with errors that can be fixed by the FixIts."""
(target, process, self.thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
'Stop here to evaluate expressions', self.main_source_spec)
options = lldb.SBExpressionOptions()
options.SetAutoApplyFixIts(True)
frame = self.thread.GetFrameAtIndex(0)
# Try with one error:
value = frame.EvaluateExpression("my_pointer.first", options)
self.assertTrue(value.IsValid())
self.assertTrue(value.GetError().Success())
self.assertTrue(value.GetValueAsUnsigned() == 10)
# Try with two errors:
two_error_expression = "my_pointer.second->a"
value = frame.EvaluateExpression(two_error_expression, options)
self.assertTrue(value.IsValid())
self.assertTrue(value.GetError().Success())
self.assertTrue(value.GetValueAsUnsigned() == 20)
# Now turn off the fixits, and the expression should fail:
options.SetAutoApplyFixIts(False)
value = frame.EvaluateExpression(two_error_expression, options)
self.assertTrue(value.IsValid())
self.assertTrue(value.GetError().Fail())
error_string = value.GetError().GetCString()
self.assertTrue(
error_string.find("fixed expression suggested:") != -1,
"Fix was suggested")
self.assertTrue(
error_string.find("my_pointer->second.a") != -1,
"Fix was right")
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