"""
Test calling std::String member functions.
"""

from __future__ import print_function


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


class ExprCommandCallFunctionTestCase(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    def setUp(self):
        # Call super's setUp().
        TestBase.setUp(self)
        # Find the line number to break for main.c.
        self.line = line_number(
            'main.cpp',
            '// Please test these expressions while stopped at this line:')

    @expectedFailureAll(
        compiler="icc",
        bugnumber="llvm.org/pr14437, fails with ICC 13.1")
    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
    def test_with(self):
        """Test calling std::String member function."""
        self.build()
        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)

        # Some versions of GCC encode two locations for the 'return' statement
        # in main.cpp
        lldbutil.run_break_set_by_file_and_line(
            self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True)

        self.runCmd("run", RUN_SUCCEEDED)

        self.expect("print str",
                    substrs=['Hello world'])

        # Calling this function now succeeds, but we follow the typedef return type through to
        # const char *, and thus don't invoke the Summary formatter.

        # clang's libstdc++ on ios arm64 inlines std::string::c_str() always; 
        # skip this part of the test.
        triple = self.dbg.GetSelectedPlatform().GetTriple()
        do_cstr_test = True
        if triple == "arm64-apple-ios" or triple == "arm64-apple-tvos" or triple == "armv7k-apple-watchos" or triple == "arm64-apple-bridgeos":
            do_cstr_test = False
        if do_cstr_test:
            self.expect("print str.c_str()",
                        substrs=['Hello world'])
