45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
"""
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Test finish out of an empty function (may be one-instruction long)
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"""
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class FinishFromEmptyFunctionTestCase(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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@skipIf(compiler="clang", compiler_version=['<', '17.0'])
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def test_finish_from_empty_function(self):
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"""Test that when stopped at a breakpoint in an empty function, finish leaves it correctly."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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target, process, thread, _ = lldbutil.run_to_name_breakpoint(
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self, "done", exe_name=exe
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)
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if self.TraceOn():
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self.runCmd("bt")
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correct_stepped_out_line = line_number("main.c", "leaving main")
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return_statement_line = line_number("main.c", "return 0")
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safety_bp = target.BreakpointCreateByLocation(
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lldb.SBFileSpec("main.c"), return_statement_line
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)
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self.assertTrue(safety_bp.IsValid())
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error = lldb.SBError()
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thread.StepOut(error)
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self.assertTrue(error.Success())
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if self.TraceOn():
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self.runCmd("bt")
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frame = thread.GetSelectedFrame()
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self.assertEqual(
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frame.line_entry.GetLine(),
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correct_stepped_out_line,
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"Step-out lost control of execution, ran too far",
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)
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