"""
Tests expressions evaluation when the breakpoint on module's entry is set.
"""

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


class ExprEntryBPTestCase(TestBase):
    NO_DEBUG_INFO_TESTCASE = True

    def test_expr_entry_bp(self):
        """Tests expressions evaluation when the breakpoint on module's entry is set."""
        self.build()
        self.main_source_file = lldb.SBFileSpec("main.c")

        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
            self, "Set a breakpoint here", self.main_source_file
        )

        self.assertEqual(1, bkpt.GetNumLocations())
        entry = (
            bkpt.GetLocationAtIndex(0)
            .GetAddress()
            .GetModule()
            .GetObjectFileEntryPointAddress()
        )
        self.assertTrue(entry.IsValid(), "Can't get a module entry point")

        entry_bp = target.BreakpointCreateBySBAddress(entry)
        self.assertTrue(
            entry_bp.IsValid(), "Can't set a breakpoint on the module entry point"
        )

        self.expect_expr("sum(7, 1)", result_type="int", result_value="8")