54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
"""
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Test number of threads.
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"""
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from __future__ import print_function
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import os, time
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import lldb
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from lldbsuite.test.lldbtest import *
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import lldbsuite.test.lldbutil as lldbutil
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class NumberOfThreadsTestCase(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 number to break inside main().
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self.line = line_number('main.cpp', '// Set break point at this line.')
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def test(self):
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"""Test number of threads."""
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self.build()
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exe = os.path.join(os.getcwd(), "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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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1)
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# The breakpoint list should show 3 locations.
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self.expect("breakpoint list -f", "Breakpoint location shown correctly",
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substrs = ["1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" % self.line])
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# Run the program.
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self.runCmd("run", RUN_SUCCEEDED)
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# Stopped once.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ["stop reason = breakpoint 1."])
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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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# Get the number of threads
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num_threads = process.GetNumThreads()
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# Using std::thread may involve extra threads, so we assert that there are
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# at least 4 rather than exactly 4.
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self.assertTrue(num_threads >= 4, 'Number of expected threads and actual threads do not match.')
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