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https://github.com/Gericom/teak-llvm.git
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27a14f19c8
This will allow us to write reusable scripted ThreadPlans, since you can use key/value pairs with known keys in the plan to parametrize its behavior. Differential Revision: https://reviews.llvm.org/D68366 llvm-svn: 373675
109 lines
4.5 KiB
Python
109 lines
4.5 KiB
Python
"""
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Tests stepping with scripted thread plans.
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"""
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import lldb
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import lldbsuite.test.lldbutil as lldbutil
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from lldbsuite.test.lldbtest import *
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class StepScriptedTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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NO_DEBUG_INFO_TESTCASE = True
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def setUp(self):
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TestBase.setUp(self)
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self.main_source_file = lldb.SBFileSpec("main.c")
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self.runCmd("command script import Steps.py")
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def test_standard_step_out(self):
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"""Tests stepping with the scripted thread plan laying over a standard
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thread plan for stepping out."""
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self.build()
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self.step_out_with_scripted_plan("Steps.StepOut")
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def test_scripted_step_out(self):
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"""Tests stepping with the scripted thread plan laying over an another
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scripted thread plan for stepping out."""
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self.build()
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self.step_out_with_scripted_plan("Steps.StepScripted")
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def step_out_with_scripted_plan(self, name):
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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"Set a breakpoint here",
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self.main_source_file)
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frame = thread.GetFrameAtIndex(0)
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self.assertEqual("foo", frame.GetFunctionName())
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err = thread.StepUsingScriptedThreadPlan(name)
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self.assertTrue(err.Success(), err.GetCString())
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frame = thread.GetFrameAtIndex(0)
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self.assertEqual("main", frame.GetFunctionName())
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def test_misspelled_plan_name(self):
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"""Test that we get a useful error if we misspell the plan class name"""
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self.build()
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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"Set a breakpoint here",
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self.main_source_file)
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stop_id = process.GetStopID()
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# Pass a non-existent class for the plan class:
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err = thread.StepUsingScriptedThreadPlan("NoSuchModule.NoSuchPlan")
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# Make sure we got a good error:
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self.assertTrue(err.Fail(), "We got a failure state")
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msg = err.GetCString()
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self.assertTrue("NoSuchModule.NoSuchPlan" in msg, "Mentioned missing class")
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# Make sure we didn't let the process run:
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self.assertEqual(stop_id, process.GetStopID(), "Process didn't run")
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def test_checking_variable(self):
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"""Test that we can call SBValue API's from a scripted thread plan - using SBAPI's to step"""
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self.do_test_checking_variable(False)
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def test_checking_variable_cli(self):
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"""Test that we can call SBValue API's from a scripted thread plan - using cli to step"""
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self.do_test_checking_variable(True)
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def do_test_checking_variable(self, use_cli):
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self.build()
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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"Set a breakpoint here",
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self.main_source_file)
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frame = thread.GetFrameAtIndex(0)
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self.assertEqual("foo", frame.GetFunctionName())
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foo_val = frame.FindVariable("foo")
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self.assertTrue(foo_val.GetError().Success(), "Got the foo variable")
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self.assertEqual(foo_val.GetValueAsUnsigned(), 10, "foo starts at 10")
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if use_cli:
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result = lldb.SBCommandReturnObject()
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self.dbg.GetCommandInterpreter().HandleCommand(
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"thread step-scripted -C Steps.StepUntil -k variable_name -v foo",
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result)
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self.assertTrue(result.Succeeded())
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else:
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args_data = lldb.SBStructuredData()
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data = lldb.SBStream()
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data.Print('{"variable_name" : "foo"}')
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error = args_data.SetFromJSON(data)
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self.assertTrue(error.Success(), "Made the args_data correctly")
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err = thread.StepUsingScriptedThreadPlan("Steps.StepUntil", args_data, True)
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self.assertTrue(err.Success(), err.GetCString())
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# We should not have exited:
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self.assertEqual(process.GetState(), lldb.eStateStopped, "We are stopped")
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# We should still be in foo:
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self.assertEqual("foo", frame.GetFunctionName())
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# And foo should have changed:
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self.assertTrue(foo_val.GetValueDidChange(), "Foo changed")
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