1"""
2Test calling a function, stopping in the call, continue and gather the result on stop.
3"""
4
5
6
7import lldb
8from lldbsuite.test.lldbtest import *
9from lldbsuite.test import lldbutil
10
11
12class ExprCommandCallStopContinueTestCase(TestBase):
13
14    mydir = TestBase.compute_mydir(__file__)
15
16    def setUp(self):
17        # Call super's setUp().
18        TestBase.setUp(self)
19        # Find the line number to break for main.c.
20        self.line = line_number(
21            'main.cpp',
22            '// Please test these expressions while stopped at this line:')
23        self.func_line = line_number('main.cpp', '{5, "five"}')
24
25    def test(self):
26        """Test gathering result from interrupted function call."""
27        self.build()
28        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
29
30        # Some versions of GCC encode two locations for the 'return' statement
31        # in main.cpp
32        lldbutil.run_break_set_by_file_and_line(
33            self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True)
34
35        self.runCmd("run", RUN_SUCCEEDED)
36
37        lldbutil.run_break_set_by_file_and_line(
38            self,
39            "main.cpp",
40            self.func_line,
41            num_expected_locations=-1,
42            loc_exact=True)
43
44        self.expect("expr -i false -- returnsFive()", error=True,
45                    substrs=['Execution was interrupted, reason: breakpoint'])
46
47        self.runCmd("continue", "Continue completed")
48        self.expect(
49            "thread list",
50            substrs=[
51                'stop reason = User Expression thread plan',
52                r'Completed expression: (Five) $0 = (number = 5, name = "five")'])
53