File: TestExprDoesntBlock.py

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (46 lines) | stat: -rw-r--r-- 1,695 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
"""
Test that expr will time out and allow other threads to run if it blocks.
"""

import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class ExprDoesntDeadlockTestCase(TestBase):
    @add_test_categories(["basic_process"])
    def test_with_run_command(self):
        """Test that expr will time out and allow other threads to run if it blocks."""
        self.build()
        target = self.createTestTarget()

        # Now create a breakpoint at source line before call_me_to_get_lock
        # gets called.

        main_file_spec = lldb.SBFileSpec("locking.cpp")
        breakpoint = target.BreakpointCreateBySourceRegex("Break here", main_file_spec)
        if self.TraceOn():
            print("breakpoint:", breakpoint)
        self.assertTrue(
            breakpoint and breakpoint.GetNumLocations() == 1, VALID_BREAKPOINT
        )

        # Now launch the process, and do not stop at entry point.
        process = target.LaunchSimple(None, None, self.get_process_working_directory())
        self.assertTrue(process, PROCESS_IS_VALID)

        # Frame #0 should be on self.line1 and the break condition should hold.
        from lldbsuite.test.lldbutil import get_stopped_thread

        thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
        self.assertTrue(
            thread.IsValid(),
            "There should be a thread stopped due to breakpoint condition",
        )

        frame0 = thread.GetFrameAtIndex(0)

        var = frame0.EvaluateExpression("call_me_to_get_lock(get_int())")
        self.assertTrue(var.IsValid())
        self.assertEqual(var.GetValueAsSigned(0), 567)