test/API/lang/cpp/inlines/TestInlines.py

"""Test variable lookup when stopped in inline functions."""


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


class InlinesTestCase(TestBase):
    def setUp(self):
        # Call super's setUp().
        TestBase.setUp(self)
        # Find the line number to break inside main().
        self.line = line_number("inlines.cpp", "// Set break point at this line.")

    def test(self):
        """Test that local variables are visible in expressions."""
        self.build()
        self.runToBreakpoint()

        # Check that 'frame variable' finds a variable
        self.expect(
            "frame variable inner_input",
            VARIABLES_DISPLAYED_CORRECTLY,
            startstr="(int) inner_input =",
        )

        # Check that 'expr' finds a variable
        self.expect(
            "expr inner_input", VARIABLES_DISPLAYED_CORRECTLY, startstr="(int) $0 ="
        )

    def runToBreakpoint(self):
        exe = self.getBuildArtifact("a.out")
        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)

        # Break inside the main.
        lldbutil.run_break_set_by_file_and_line(
            self, "inlines.cpp", self.line, num_expected_locations=2, loc_exact=True
        )

        self.runCmd("run", RUN_SUCCEEDED)

        # The stop reason of the thread should be breakpoint.
        self.expect(
            "thread list",
            STOPPED_DUE_TO_BREAKPOINT,
            substrs=["stopped", "stop reason = breakpoint"],
        )

        # The breakpoint should have a hit count of 1.
        lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)