2238dcc393
This is an ongoing series of commits that are reformatting our Python code. Reformatting is done with `black` (23.1.0). If you end up having problems merging this commit because you have made changes to a python file, the best way to handle that is to run `git checkout --ours <yourfile>` and then reformat it with black. RFC: https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style Differential revision: https://reviews.llvm.org/D151460
128 lines
4.5 KiB
Python
128 lines
4.5 KiB
Python
"""
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Test number of threads.
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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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import lldbsuite.test.lldbutil as lldbutil
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class ThreadExitTestCase(TestBase):
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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 numbers for our breakpoints.
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self.break_1 = line_number("main.cpp", "// Set first breakpoint here")
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self.break_2 = line_number("main.cpp", "// Set second breakpoint here")
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self.break_3 = line_number("main.cpp", "// Set third breakpoint here")
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self.break_4 = line_number("main.cpp", "// Set fourth breakpoint here")
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@skipIfWindows # This is flakey on Windows: llvm.org/pr38373
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def test(self):
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"""Test thread exit handling."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# This should create a breakpoint with 1 location.
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bp1_id = lldbutil.run_break_set_by_file_and_line(
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self, "main.cpp", self.break_1, num_expected_locations=1
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)
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bp2_id = lldbutil.run_break_set_by_file_and_line(
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self, "main.cpp", self.break_2, num_expected_locations=1
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)
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bp3_id = lldbutil.run_break_set_by_file_and_line(
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self, "main.cpp", self.break_3, num_expected_locations=1
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)
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bp4_id = lldbutil.run_break_set_by_file_and_line(
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self, "main.cpp", self.break_4, num_expected_locations=1
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)
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# The breakpoint list should show 1 locations.
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self.expect(
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"breakpoint list -f",
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"Breakpoint location shown correctly",
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substrs=[
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"1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1"
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% self.break_1,
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"2: file = 'main.cpp', line = %d, exact_match = 0, locations = 1"
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% self.break_2,
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"3: file = 'main.cpp', line = %d, exact_match = 0, locations = 1"
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% self.break_3,
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"4: file = 'main.cpp', line = %d, exact_match = 0, locations = 1"
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% self.break_4,
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],
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)
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# Get the target process
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target = self.dbg.GetSelectedTarget()
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process = target.GetProcess()
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stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(
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process, bp1_id
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)
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self.assertIsNotNone(stopped_thread, "Process is not stopped at breakpoint 1")
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# Get the number of threads
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num_threads = process.GetNumThreads()
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self.assertGreaterEqual(
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num_threads,
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2,
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"Number of expected threads and actual threads do not match at breakpoint 1.",
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)
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# Run to the second breakpoint
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self.runCmd("continue")
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stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(
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process, bp2_id
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)
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self.assertIsNotNone(stopped_thread, "Process is not stopped at breakpoint 2")
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# Update the number of threads
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new_num_threads = process.GetNumThreads()
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self.assertEqual(
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new_num_threads,
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num_threads + 1,
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"Number of expected threads did not increase by 1 at bp 2.",
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)
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# Run to the third breakpoint
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self.runCmd("continue")
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stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(
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process, bp3_id
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)
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self.assertIsNotNone(stopped_thread, "Process is not stopped at breakpoint 3")
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# Update the number of threads
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new_num_threads = process.GetNumThreads()
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self.assertEqual(
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new_num_threads,
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num_threads,
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"Number of expected threads is not equal to original number of threads at bp 3.",
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)
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# Run to the fourth breakpoint
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self.runCmd("continue")
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stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(
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process, bp4_id
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)
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self.assertIsNotNone(stopped_thread, "Process is not stopped at breakpoint 4")
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# Update the number of threads
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new_num_threads = process.GetNumThreads()
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self.assertEqual(
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new_num_threads,
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num_threads - 1,
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"Number of expected threads did not decrease by 1 at bp 4.",
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)
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# Run to completion
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self.runCmd("continue")
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# At this point, the inferior process should have exited.
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self.assertState(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
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