teak-llvm/lldb/packages/Python/lldbsuite/test/lang/objc/objc-optimized/TestObjcOptimized.py
Raphael Isemann a52a11139c [lldb][NFC] Remove 'from __future__ import print_function' from all tests that don't actually call 'print()'
Summary:
A lot of tests do this trick but the vast majority of them don't even call `print()`.

Most of this patch was generated by a script that just looks at all the files and deletes the line if there is no `print (` or `print(` anywhere else in the file.
I checked the remaining tests manually and deleted the import if we never call print (but instead do stuff like `expr print(...)` and similar false-positives).
I also corrected the additional empty lines after the import in the files that I manually edited.

Reviewers: JDevlieghere, labath, jfb

Reviewed By: labath

Subscribers: dexonsmith, wuzish, nemanjai, kbarton, christof, arphaman, abidh, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D71452
2019-12-13 12:23:04 +01:00

73 lines
2.0 KiB
Python

"""
Test that objective-c expression parser continues to work for optimized build.
Fixed a bug in the expression parser where the 'this'
or 'self' variable was not properly read if the compiler
optimized it into a register.
"""
import lldb
import re
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
# rdar://problem/9087739
# test failure: objc_optimized does not work for "-C clang -A i386"
@skipUnlessDarwin
class ObjcOptimizedTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
myclass = "MyClass"
mymethod = "description"
method_spec = "-[%s %s]" % (myclass, mymethod)
def test_break(self):
"""Test 'expr member' continues to work for optimized build."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_symbol(
self,
self.method_spec,
num_expected_locations=1,
sym_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
self.expect(
"thread backtrace",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stop reason = breakpoint"],
patterns=[
"frame.*0:.*%s %s" %
(self.myclass,
self.mymethod)])
self.expect('expression member',
startstr="(int) $0 = 5")
# <rdar://problem/12693963>
interp = self.dbg.GetCommandInterpreter()
result = lldb.SBCommandReturnObject()
interp.HandleCommand('frame variable self', result)
output = result.GetOutput()
desired_pointer = "0x0"
mo = re.search("0x[0-9a-f]+", output)
if mo:
desired_pointer = mo.group(0)
self.expect('expression (self)',
substrs=[("(%s *) $1 = " % self.myclass), desired_pointer])
self.expect('expression self->non_member', error=True,
substrs=["does not have a member named 'non_member'"])