400b6f2bc5
Some tests are not expected to work with reproducers, for example tests that completely circumvent the reproducers (i.e. using the side_effects Python module) or that rely on changes to the file system.
84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
"""Test lldb reloads the inferior after it was changed during the session."""
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import time
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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 configuration
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from lldbsuite.test import lldbutil
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class ChangedInferiorTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipIf(hostoslist=["windows"])
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@no_debug_info_test
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@skipIfReproducer # VFS is a snapshot.
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def test_inferior_crashing(self):
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"""Test lldb reloads the inferior after it was changed during the session."""
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self.build()
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self.inferior_crashing()
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self.cleanup()
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# lldb needs to recognize the inferior has changed. If lldb needs to check the
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# new module timestamp, make sure it is not the same as the old one, so add a
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# 1 second delay.
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time.sleep(1)
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d = {'C_SOURCES': 'main2.c'}
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self.build(dictionary=d)
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self.setTearDownCleanup(dictionary=d)
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self.inferior_not_crashing()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number of the crash.
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self.line1 = line_number('main.c', '// Crash here.')
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self.line2 = line_number('main2.c', '// Not crash here.')
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def inferior_crashing(self):
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"""Inferior crashes upon launching; lldb should catch the event and stop."""
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self.exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + self.exe, CURRENT_EXECUTABLE_SET)
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self.runCmd("run", RUN_SUCCEEDED)
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# We should have one crashing thread
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self.assertEqual(
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len(lldbutil.get_crashed_threads(self, self.dbg.GetSelectedTarget().GetProcess())),
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1,
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STOPPED_DUE_TO_EXC_BAD_ACCESS)
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# And it should report the correct line number.
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self.expect("thread backtrace all", substrs=['main.c:%d' % self.line1])
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def inferior_not_crashing(self):
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"""Test lldb reloads the inferior after it was changed during the session."""
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self.runCmd("process kill")
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self.runCmd("run", RUN_SUCCEEDED)
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self.runCmd("process status")
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self.assertNotEqual(
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len(lldbutil.get_crashed_threads(self, self.dbg.GetSelectedTarget().GetProcess())),
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1,
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"Inferior changed, but lldb did not perform a reload")
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# Break inside the main.
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lldbutil.run_break_set_by_file_and_line(
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self, "main2.c", self.line2, num_expected_locations=1, loc_exact=True)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs=['stopped',
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'stop reason = breakpoint'])
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self.runCmd("frame variable int_ptr")
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self.expect("frame variable *int_ptr",
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substrs=['= 7'])
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self.expect("expression *int_ptr",
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substrs=['= 7'])
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