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import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
class TestCase(TestBase):
@skipUnlessDarwin
def test(self):
self.build()
_, _, thread, _ = lldbutil.run_to_source_breakpoint(
self, "break here", lldb.SBFileSpec("lib.cpp")
)
frame = thread.selected_frame
self.assertEqual(frame.GuessLanguage(), lldb.eLanguageTypeC_plus_plus_11)
self.assertEqual(frame.name, "f()")
# Test `help`.
self.expect(
"help demangle",
substrs=[
"Demangle a C++ mangled name.",
"Syntax: language cplusplus demangle [<mangled-name> ...]",
],
)
# Run a `language cplusplus` command.
self.expect("demangle _Z1fv", startstr="_Z1fv ---> f()")
# Test prefix matching.
self.expect("dem _Z1fv", startstr="_Z1fv ---> f()")
# Select the objc caller.
self.runCmd("up")
frame = thread.selected_frame
self.assertEqual(frame.GuessLanguage(), lldb.eLanguageTypeObjC_plus_plus)
self.assertEqual(frame.name, "main")
# Ensure `demangle` doesn't resolve from the objc frame.
self.expect("help demangle", error=True)
# Run a `language objc` command.
self.expect(
"tagged-pointer",
substrs=[
"Commands for operating on Objective-C tagged pointers.",
"Syntax: tagged-pointer <subcommand> [<subcommand-options>]",
"The following subcommands are supported:",
"info -- Dump information on a tagged pointer.",
],
)
# To ensure compatability with existing scripts, a language specific
# command must not be invoked if another command (such as a python
# command) has the language specific command name as its prefix.
#
# For example, this test loads a `tagged-pointer-collision` command. A
# script could exist that invokes this command using its prefix
# `tagged-pointer`, under the assumption that "tagged-pointer" uniquely
# identifies the python command `tagged-pointer-collision`.
self.runCmd("command script import commands.py")
self.expect("tagged-pointer", startstr="ran tagged-pointer-collision")
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