"""
Test lldb data formatter subsystem.
"""

from __future__ import print_function


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


class NSArraySyntheticTestCase(TestBase):

    mydir = TestBase.compute_mydir(__file__)

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

    @skipUnlessDarwin
    def test_rdar11086338_with_run_command(self):
        """Test that NSArray reports its synthetic children properly."""
        self.build()
        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)

        lldbutil.run_break_set_by_file_and_line(
            self, "main.m", self.line, num_expected_locations=1, loc_exact=True)

        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'])

        # This is the function to remove the custom formats in order to have a
        # clean slate for the next test case.
        def cleanup():
            self.runCmd('type format clear', check=False)
            self.runCmd('type summary clear', check=False)
            self.runCmd('type synth clear', check=False)

        # Execute the cleanup function during test case tear down.
        self.addTearDownHook(cleanup)

        # Now check that we are displaying Cocoa classes correctly
        self.expect('frame variable arr',
                    substrs=['@"6 elements"'])
        self.expect('frame variable other_arr',
                    substrs=['@"4 elements"'])
        self.expect(
            'frame variable arr --ptr-depth 1',
            substrs=[
                '@"6 elements"',
                '[0] = 0x',
                '[1] = 0x',
                '[2] = 0x',
                '[3] = 0x',
                '[4] = 0x',
                '[5] = 0x'])
        self.expect(
            'frame variable other_arr --ptr-depth 1',
            substrs=[
                '@"4 elements"',
                '[0] = 0x',
                '[1] = 0x',
                '[2] = 0x',
                '[3] = 0x'])
        self.expect(
            'frame variable arr --ptr-depth 1 -d no-run-target',
            substrs=[
                '@"6 elements"',
                '@"hello"',
                '@"world"',
                '@"this"',
                '@"is"',
                '@"me"',
                '@"http://www.apple.com'])
        self.expect(
            'frame variable other_arr --ptr-depth 1 -d no-run-target',
            substrs=[
                '@"4 elements"',
                '(int)5',
                '@"a string"',
                '@"6 elements"'])
        self.expect(
            'frame variable other_arr --ptr-depth 2 -d no-run-target',
            substrs=[
                '@"4 elements"',
                '@"6 elements" {',
                '@"hello"',
                '@"world"',
                '@"this"',
                '@"is"',
                '@"me"',
                '@"http://www.apple.com'])

        self.assertTrue(
            self.frame().FindVariable("arr").MightHaveChildren(),
            "arr says it does not have children!")
        self.assertTrue(
            self.frame().FindVariable("other_arr").MightHaveChildren(),
            "arr says it does not have children!")
