83 lines
3.3 KiB
Python
83 lines
3.3 KiB
Python
"""
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Test that --allow-jit=false does disallow JITting:
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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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from lldbsuite.test.decorators import *
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class TestAllowJIT(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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# If your test case doesn't stress debug info, the
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# set this to true. That way it won't be run once for
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# each debug info format.
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NO_DEBUG_INFO_TESTCASE = True
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def test_allow_jit_expr_command(self):
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"""Test the --allow-jit command line flag"""
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self.build()
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self.main_source_file = lldb.SBFileSpec("main.c")
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self.expr_cmd_test()
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def test_allow_jit_options(self):
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"""Test the SetAllowJIT SBExpressionOption setting"""
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self.build()
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self.main_source_file = lldb.SBFileSpec("main.c")
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self.expr_options_test()
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def expr_cmd_test(self):
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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"Set a breakpoint here", self.main_source_file)
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frame = thread.GetFrameAtIndex(0)
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# First make sure we can call the function with
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interp = self.dbg.GetCommandInterpreter()
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self.expect("expr --allow-jit 1 -- call_me(10)",
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substrs = ["(int) $", "= 18"])
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# Now make sure it fails with the "can't IR interpret message" if allow-jit is false:
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self.expect("expr --allow-jit 0 -- call_me(10)",
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error=True,
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substrs = ["Can't evaluate the expression without a running target"])
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def expr_options_test(self):
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(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
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"Set a breakpoint here", self.main_source_file)
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frame = thread.GetFrameAtIndex(0)
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# First make sure we can call the function with the default option set.
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options = lldb.SBExpressionOptions()
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# Check that the default is to allow JIT:
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self.assertEqual(options.GetAllowJIT(), True, "Default is true")
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# Now use the options:
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result = frame.EvaluateExpression("call_me(10)", options)
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self.assertTrue(result.GetError().Success(), "expression succeeded")
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self.assertEqual(result.GetValueAsSigned(), 18, "got the right value.")
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# Now disallow JIT and make sure it fails:
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options.SetAllowJIT(False)
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# Check that we got the right value:
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self.assertEqual(options.GetAllowJIT(), False, "Got False after setting to False")
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# Again use it and ensure we fail:
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result = frame.EvaluateExpression("call_me(10)", options)
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self.assertTrue(result.GetError().Fail(), "expression failed with no JIT")
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self.assertTrue("Can't evaluate the expression without a running target" in result.GetError().GetCString(), "Got right error")
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# Finally set the allow JIT value back to true and make sure that works:
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options.SetAllowJIT(True)
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self.assertEqual(options.GetAllowJIT(), True, "Set back to True correctly")
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# And again, make sure this works:
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result = frame.EvaluateExpression("call_me(10)", options)
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self.assertTrue(result.GetError().Success(), "expression succeeded")
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self.assertEqual(result.GetValueAsSigned(), 18, "got the right value.")
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