""" Testing explicit symbol loading via target symbols add. """
import os
import time
import lldb
import sys
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class TargetSymbolsAddCommand(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    def setUp(self):
        TestBase.setUp(self)
        self.source = 'main.c'

    @no_debug_info_test  # Prevent the genaration of the dwarf version of this test
    @skipUnlessPlatform(['linux'])
    def test_target_symbols_add(self):
        """Test that 'target symbols add' can load the symbols
        even if gnu.build-id and gnu_debuglink are not present in the module.
        Similar to test_add_dsym_mid_execution test for macos."""
        self.build(clean=True)
        exe = os.path.join(os.getcwd(), "stripped.out")

        self.target = self.dbg.CreateTarget(exe)
        self.assertTrue(self.target, VALID_TARGET)

        main_bp = self.target.BreakpointCreateByName("main", "stripped.out")
        self.assertTrue(main_bp, VALID_BREAKPOINT)

        self.process = self.target.LaunchSimple(
            None, None, self.get_process_working_directory())
        self.assertTrue(self.process, PROCESS_IS_VALID)

        # The stop reason of the thread should be breakpoint.
        self.assertTrue(self.process.GetState() == lldb.eStateStopped,
                        STOPPED_DUE_TO_BREAKPOINT)

        exe_module = self.target.GetModuleAtIndex(0)

        # Check that symbols are not loaded and main.c is not know to be
        # the source file.
        self.expect("frame select", substrs=['main.c'], matching=False)

        # Tell LLDB that a.out has symbols for stripped.out
        self.runCmd("target symbols add -s stripped.out a.out")

        # Check that symbols are now loaded and main.c is in the output.
        self.expect("frame select", substrs=['main.c'])
