test/API/functionalities/data-formatter/nsdictionarysynth/TestNSDictionarySynthetic.py

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

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


class NSDictionarySyntheticTestCase(TestBase):
    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_rdar11988289_with_run_command(self):
        """Test that NSDictionary reports its synthetic children properly."""
        self.build()
        self.run_tests()

    @skipUnlessDarwin
    def test_rdar11988289_with_run_command_no_const(self):
        """Test that NSDictionary reports its synthetic children properly."""
        disable_constant_classes = {
            "CFLAGS_EXTRAS": "-fno-constant-nsnumber-literals "
            + "-fno-constant-nsarray-literals "
            + "-fno-constant-nsdictionary-literals",
        }
        # FIXME: Remove when flags are available upstream.
        self.build(dictionary=disable_constant_classes, compiler="xcrun clang")
        self.run_tests()

    def run_tests(self):
        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 dictionary", substrs=["3 key/value pairs"])
        self.expect("frame variable mutabledict", substrs=["4 key/value pairs"])
        self.expect(
            "frame variable dictionary --ptr-depth 1",
            substrs=[
                "3 key/value pairs",
                "[0] = ",
                "key = 0x",
                "value = 0x",
                "[1] = ",
                "[2] = ",
            ],
        )
        self.expect(
            "frame variable mutabledict --ptr-depth 1",
            substrs=[
                "4 key/value pairs",
                "[0] = ",
                "key = 0x",
                "value = 0x",
                "[1] = ",
                "[2] = ",
                "[3] = ",
            ],
        )
        self.expect(
            "frame variable dictionary --ptr-depth 1",
            substrs=[
                "3 key/value pairs",
                '@"bar"',
                '@"2 elements"',
                '@"baz"',
                "2 key/value pairs",
            ],
        )
        self.expect(
            "frame variable mutabledict --ptr-depth 1",
            substrs=[
                "4 key/value pairs",
                "(int)23",
                '@"123"',
                '@"http://www.apple.com"',
                '@"sourceofstuff"',
                "3 key/value pairs",
            ],
        )
        self.expect(
            "frame variable mutabledict --ptr-depth 2",
            substrs=[
                "4 key/value pairs",
                "(int)23",
                '@"123"',
                '@"http://www.apple.com"',
                '@"sourceofstuff"',
                "3 key/value pairs",
                '@"bar"',
                '@"2 elements"',
            ],
        )

        self.runCmd("settings set target.max-children-depth 6")
        self.expect(
            "frame variable mutabledict --ptr-depth 3",
            substrs=[
                "4 key/value pairs",
                "(int)23",
                '@"123"',
                '@"http://www.apple.com"',
                '@"sourceofstuff"',
                "3 key/value pairs",
                '@"bar"',
                '@"2 elements"',
                "(int)1",
                '@"two"',
            ],
        )

        self.assertTrue(
            self.frame().FindVariable("dictionary").MightHaveChildren(),
            "dictionary says it does not have children!",
        )
        self.assertTrue(
            self.frame().FindVariable("mutabledict").MightHaveChildren(),
            "mutable says it does not have children!",
        )