"""
Test breakpoint command for different options.
"""

from __future__ import print_function


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


class BreakpointOptionsTestCase(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    def test(self):
        """Test breakpoint command for different options."""
        self.build()
        self.breakpoint_options_test()

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

    def breakpoint_options_test(self):
        """Test breakpoint command for different options."""
        exe = os.path.join(os.getcwd(), "a.out")
        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)

        # This should create a breakpoint with 1 locations.
        lldbutil.run_break_set_by_file_and_line(
            self,
            "main.cpp",
            self.line,
            extra_options="-K 1",
            num_expected_locations=1)
        lldbutil.run_break_set_by_file_and_line(
            self,
            "main.cpp",
            self.line,
            extra_options="-K 0",
            num_expected_locations=1)

        # This should create a breakpoint 0 locations.
        lldbutil.run_break_set_by_file_and_line(
            self,
            "main.cpp",
            self.line,
            extra_options="-m 0",
            num_expected_locations=0)

        # Run the program.
        self.runCmd("run", RUN_SUCCEEDED)

        # Stopped once.
        self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
                    substrs=["stop reason = breakpoint 2."])

        # Check the list of breakpoint.
        self.expect(
            "breakpoint list -f",
            "Breakpoint locations shown correctly",
            substrs=[
                "1: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" %
                self.line,
                "2: file = 'main.cpp', line = %d, exact_match = 0, locations = 1" %
                self.line,
                "3: file = 'main.cpp', line = %d, exact_match = 1, locations = 0" %
                self.line])

        # Continue the program, there should be another stop.
        self.runCmd("process continue")

        # Stopped again.
        self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
                    substrs=["stop reason = breakpoint 1."])

        # Continue the program, we should exit.
        self.runCmd("process continue")

        # We should exit.
        self.expect("process status", "Process exited successfully",
                    patterns=["^Process [0-9]+ exited with status = 0"])

    def breakpoint_options_language_test(self):
        """Test breakpoint command for language option."""
        exe = os.path.join(os.getcwd(), "a.out")
        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)

        # This should create a breakpoint with 1 locations.
        lldbutil.run_break_set_by_symbol(
            self,
            'ns::func',
            sym_exact=False,
            extra_options="-L c++",
            num_expected_locations=1)

        # This should create a breakpoint with 0 locations.
        lldbutil.run_break_set_by_symbol(
            self,
            'ns::func',
            sym_exact=False,
            extra_options="-L c",
            num_expected_locations=0)
        self.runCmd("settings set target.language c")
        lldbutil.run_break_set_by_symbol(
            self, 'ns::func', sym_exact=False, num_expected_locations=0)

        # Run the program.
        self.runCmd("run", RUN_SUCCEEDED)

        # Stopped once.
        self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT,
                    substrs=["stop reason = breakpoint 1."])

        # Continue the program, we should exit.
        self.runCmd("process continue")

        # We should exit.
        self.expect("process status", "Process exited successfully",
                    patterns=["^Process [0-9]+ exited with status = 0"])