d7dbe2c4a0
It was being used only in some very old tests (which pass even without it) and its implementation is highly questionable. These days we have different mechanisms for requesting a build with a particular kind of c++ library (USE_LIB(STD)CPP in the makefile).
122 lines
4.6 KiB
Python
122 lines
4.6 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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mydir = TestBase.compute_mydir(__file__)
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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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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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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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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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# 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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# 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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self.assertIsNotNone(stopped_thread,
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"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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# 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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self.assertIsNotNone(stopped_thread,
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"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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# 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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self.assertIsNotNone(stopped_thread,
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"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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# 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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self.assertIsNotNone(stopped_thread,
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"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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# 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.assertEqual(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
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