"""
Test _regexp-break command which uses regular expression matching to dispatch to other built in breakpoint commands.
"""

from __future__ import print_function


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


class RegexpBreakCommandTestCase(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    def test(self):
        """Test _regexp-break command."""
        self.build()
        self.regexp_break_command()

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

    def regexp_break_command(self):
        """Test the super consie "b" command, which is analias for _regexp-break."""
        exe = self.getBuildArtifact("a.out")
        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)

        break_results = lldbutil.run_break_set_command(
            self, "b %d" %
            self.line)
        lldbutil.check_breakpoint_result(
            self,
            break_results,
            file_name='main.c',
            line_number=self.line,
            num_locations=1)

        break_results = lldbutil.run_break_set_command(
            self, "b %s:%d" % (self.source, self.line))
        lldbutil.check_breakpoint_result(
            self,
            break_results,
            file_name='main.c',
            line_number=self.line,
            num_locations=1)

        # Check breakpoint with full file path.
        full_path = os.path.join(self.getSourceDir(), self.source)
        break_results = lldbutil.run_break_set_command(
            self, "b %s:%d" % (full_path, self.line))
        lldbutil.check_breakpoint_result(
            self,
            break_results,
            file_name='main.c',
            line_number=self.line,
            num_locations=1)

        self.runCmd("run", RUN_SUCCEEDED)

        # The stop reason of the thread should be breakpoint.
        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
                    substrs=['stopped',
                             'stop reason = breakpoint'])
