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path: root/lldb/test/lang/cpp/static_members/TestCPPStaticMembers.py
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"""
Tests that C++ member and static variables have correct layout and scope.
"""

from __future__ import print_function

import lldb_shared

import unittest2
import lldb
from lldbtest import *
import lldbutil

class CPPStaticMembersTestCase(TestBase):
    
    mydir = TestBase.compute_mydir(__file__)
    
    @unittest2.expectedFailure # llvm.org/pr15401
    @expectedFailureWindows("llvm.org/pr21765")
    def test_with_run_command(self):
        """Test that member variables have the correct layout, scope and qualifiers when stopped inside and outside C++ methods"""
        self.build()
        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)

        self.set_breakpoint(line_number('main.cpp', '// breakpoint 1'))
        self.set_breakpoint(line_number('main.cpp', '// breakpoint 2'))

        self.runCmd("process launch", RUN_SUCCEEDED)
        self.expect("expression my_a.access()",
                    startstr = "(long) $0 = 10")
        
        self.expect("expression my_a.m_a",
                    startstr = "(short) $1 = 1")
        
        # Note: SymbolFileDWARF::ParseChildMembers doesn't call AddFieldToRecordType, consistent with clang's AST layout.
        self.expect("expression my_a.s_d",
                    startstr = "(int) $2 = 4")
        
        self.expect("expression my_a.s_b",
                    startstr = "(long) $3 = 2")
        
        self.expect("expression A::s_b",
                    startstr = "(long) $4 = 2")

        # should not be available in global scope 
        self.expect("expression s_d",
                    startstr = "error: use of undeclared identifier 's_d'")
        
        self.runCmd("process continue")
        self.expect("expression m_c",
                    startstr = "(char) $5 = \'\\x03\'")
        
        self.expect("expression s_b",
                    startstr = "(long) $6 = 2")

        self.runCmd("process continue")

    def set_breakpoint(self, line):
        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", line, num_expected_locations=1, loc_exact=False)