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"""
Test that Objective-C methods from the runtime work correctly.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
@skipUnlessDarwin
class RuntimeTypesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(
oslist=["macosx"],
debug_info="gmodules",
bugnumber="llvm.org/pr27862")
def test_break(self):
"""Test setting objc breakpoints using '_regexp-break' and 'breakpoint set'."""
if self.getArchitecture() != 'x86_64':
self.skipTest("This only applies to the v2 runtime")
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Stop at -[MyString description].
lldbutil.run_break_set_by_symbol(
self,
'-[MyString description]',
num_expected_locations=1,
sym_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The backtrace should show we stop at -[MyString description].
self.expect("thread backtrace", "Stop at -[MyString description]",
substrs=["a.out`-[MyString description]"])
# Use runtime information about NSString.
# The length property should be usable.
self.expect("expression str.length", VARIABLES_DISPLAYED_CORRECTLY,
patterns=[r"(\(unsigned long long\))|\(NSUInteger\)"])
# Static methods on NSString should work.
self.expect(
"expr [NSString stringWithCString:\"foo\" encoding:1]",
VALID_TYPE,
substrs=[
"(id)",
"$1"])
self.expect("po $1", VARIABLES_DISPLAYED_CORRECTLY,
substrs=["foo"])
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