test/API/functionalities/breakpoint/inlined_breakpoints/TestInlinedBreakpoints.py

"""
Test that inlined breakpoints (breakpoint set on a file/line included from
another source file) works correctly.
"""


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


class InlinedBreakpointsTestCase(TestBase):
    """Bug fixed: rdar://problem/8464339"""

    def test_with_run_command(self):
        """Test 'b basic_types.cpp:176' does break (where int.cpp includes basic_type.cpp)."""
        self.build()
        self.inlined_breakpoints()

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

    def inlined_breakpoints(self):
        """Test 'b basic_types.cpp:176' does break (where int.cpp includes basic_type.cpp)."""
        exe = self.getBuildArtifact("a.out")
        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)

        # With the inline-breakpoint-strategy, our file+line breakpoint should
        # not resolve to a location.
        self.runCmd("settings set target.inline-breakpoint-strategy headers")

        # Set a breakpoint and fail because it is in an inlined source
        # implemenation file
        lldbutil.run_break_set_by_file_and_line(
            self, "basic_type.cpp", self.line, num_expected_locations=0
        )

        # Now enable breakpoints in implementation files and see the breakpoint
        # set succeed
        self.runCmd("settings set target.inline-breakpoint-strategy always")
        # And add hooks to restore the settings during tearDown().
        self.addTearDownHook(
            lambda: self.runCmd("settings set target.inline-breakpoint-strategy always")
        )

        lldbutil.run_break_set_by_file_and_line(
            self, "basic_type.cpp", self.line, num_expected_locations=1, loc_exact=True
        )

        self.runCmd("run", RUN_SUCCEEDED)

        # The stop reason of the thread should be breakpoint.
        # And it should break at basic_type.cpp:176.
        self.expect(
            "thread list",
            STOPPED_DUE_TO_BREAKPOINT,
            substrs=[
                "stopped",
                "basic_type.cpp:%d" % self.line,
                "stop reason = breakpoint",
            ],
        )