llvm/lldb/test/API/lang/objc/single-entry-dictionary/TestObjCSingleEntryDictionary.py

"""Test that we properly vend children for a single entry NSDictionary"""


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


class ObjCSingleEntryDictionaryTestCase(TestBase):
    def setUp(self):
        # Call super's setUp().
        TestBase.setUp(self)
        # Find the line number to break inside main().
        self.line = line_number("main.m", "// break here")

    @skipUnlessDarwin
    @expectedFailureAll(
        oslist=["watchos"], bugnumber="rdar://problem/34642736"
    )  # bug in NSDictionary formatting on watchos
    def test_single_entry_dict(self):
        self.build()
        self.run_tests()

    @skipUnlessDarwin
    @expectedFailureAll(
        oslist=["watchos"], bugnumber="rdar://problem/34642736"
    )  # bug in NSDictionary formatting on watchos
    def test_single_entry_dict_no_const(self):
        disable_constant_classes = {
            "CFLAGS_EXTRAS": "-fno-constant-nsnumber-literals "
            + "-fno-constant-nsarray-literals "
            + "-fno-constant-nsdictionary-literals",
        }
        # FIXME: Remove compiler when flags are available upstream.
        self.build(dictionary=disable_constant_classes, compiler="xcrun clang")
        self.run_tests()

    def run_tests(self):
        exe = self.getBuildArtifact("a.out")
        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)

        # Break inside the foo function which takes a bar_ptr argument.
        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"],
        )

        # The breakpoint should have a hit count of 1.
        lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)

        d1 = self.frame().FindVariable("d1")
        d1.SetPreferSyntheticValue(True)
        d1.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)

        self.assertEqual(d1.GetNumChildren(), 1, "dictionary has != 1 child elements")
        pair = d1.GetChildAtIndex(0)
        pair.SetPreferSyntheticValue(True)
        pair.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)

        self.assertEqual(pair.GetNumChildren(), 2, "pair has != 2 child elements")

        key = pair.GetChildMemberWithName("key")
        value = pair.GetChildMemberWithName("value")

        key.SetPreferSyntheticValue(True)
        key.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
        value.SetPreferSyntheticValue(True)
        value.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)

        self.assertEqual(key.GetSummary(), '@"key"', "key doesn't contain key")
        self.assertEqual(value.GetSummary(), '@"value"', "value doesn't contain value")