xref: /llvm-project/lldb/test/API/tools/lldb-dap/stop-hooks/TestDAP_stop_hooks.py (revision fa6377119c0624773cb698935692d46843e9f6ec)
1"""
2Test stop hooks
3"""
4
5
6from lldbsuite.test.decorators import *
7from lldbsuite.test.lldbtest import *
8import lldbdap_testcase
9
10
11class TestDAP_stop_hooks(lldbdap_testcase.DAPTestCaseBase):
12    def test_stop_hooks_before_run(self):
13        """
14        Test that there is no race condition between lldb-dap and
15        stop hooks executor
16        """
17        program = self.getBuildArtifact("a.out")
18        preRunCommands = ["target stop-hook add -o help"]
19        self.build_and_launch(program, stopOnEntry=True, preRunCommands=preRunCommands)
20
21        # The first stop is on entry.
22        self.continue_to_next_stop()
23
24        breakpoint_ids = self.set_function_breakpoints(["main"])
25        # This request hangs if the race happens, because, in that case, the
26        # command interpreter is in synchronous mode while lldb-dap expects
27        # it to be in asynchronous mode, so, the process doesn't send the stop
28        # event to "lldb.Debugger" listener (which is monitored by lldb-dap).
29        self.continue_to_breakpoints(breakpoint_ids)
30
31        self.continue_to_exit()
32