llvm/lldb/test/API/python_api/sbvalue_persist/TestSBValuePersist.py

"""Test SBValue::Persist"""


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


class SBValuePersistTestCase(TestBase):
    NO_DEBUG_INFO_TESTCASE = True

    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24772")
    def test(self):
        """Test SBValue::Persist"""
        self.build()
        self.setTearDownCleanup()
        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)

        lldbutil.run_break_set_by_source_regexp(self, "break here")

        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 filter clear", check=False)
            self.runCmd("type synthetic clear", check=False)

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

        foo = self.frame().FindVariable("foo")
        bar = self.frame().FindVariable("bar")
        baz = self.frame().FindVariable("baz")

        self.assertTrue(foo.IsValid(), "foo is not valid")
        self.assertTrue(bar.IsValid(), "bar is not valid")
        self.assertTrue(baz.IsValid(), "baz is not valid")

        fooPersist = foo.Persist()
        barPersist = bar.Persist()
        bazPersist = baz.Persist()

        self.assertTrue(fooPersist.IsValid(), "fooPersist is not valid")
        self.assertTrue(barPersist.IsValid(), "barPersist is not valid")
        self.assertTrue(bazPersist.IsValid(), "bazPersist is not valid")

        self.assertEqual(fooPersist.GetValueAsUnsigned(0), 10, "fooPersist != 10")
        self.assertEqual(barPersist.GetPointeeData().sint32[0], 4, "barPersist != 4")
        self.assertEqual(bazPersist.GetSummary(), '"85"', "bazPersist != 85")

        self.runCmd("continue")

        self.assertTrue(fooPersist.IsValid(), "fooPersist is not valid")
        self.assertTrue(barPersist.IsValid(), "barPersist is not valid")
        self.assertTrue(bazPersist.IsValid(), "bazPersist is not valid")

        self.assertEqual(fooPersist.GetValueAsUnsigned(0), 10, "fooPersist != 10")
        self.assertEqual(barPersist.GetPointeeData().sint32[0], 4, "barPersist != 4")
        self.assertEqual(bazPersist.GetSummary(), '"85"', "bazPersist != 85")

        self.expect("expr *(%s)" % (barPersist.GetName()), substrs=["= 4"])