| """ |
| Test more expression command sequences with objective-c. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class FoundationTestCaseNSError(TestBase): |
| @expectedFailureAll(archs=["i[3-6]86"], bugnumber="<rdar://problem/28814052>") |
| def test_runtime_types(self): |
| """Test commands that require runtime types""" |
| self.build() |
| self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint( |
| self, "// Break here for NSString tests", lldb.SBFileSpec("main.m", False) |
| ) |
| |
| # Test_NSString: |
| self.runCmd("thread backtrace") |
| self.expect("expression [str length]", patterns=[r"\(NSUInteger\) \$.* ="]) |
| self.expect("expression str.length") |
| self.expect('expression str = [NSString stringWithCString: "new"]') |
| self.expect( |
| 'po [NSError errorWithDomain:@"Hello" code:35 userInfo:@{@"NSDescription" : @"be completed."}]', |
| substrs=["Error Domain=Hello", "Code=35", "be completed."], |
| ) |
| self.runCmd("process continue") |
| |
| @expectedFailureAll(archs=["i[3-6]86"], bugnumber="<rdar://problem/28814052>") |
| def test_NSError_p(self): |
| """Test that p of the result of an unknown method does require a cast.""" |
| self.build() |
| self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint( |
| self, "// Set break point at this line", lldb.SBFileSpec("main.m", False) |
| ) |
| self.expect( |
| "expression [NSError thisMethodIsntImplemented:0]", |
| error=True, |
| patterns=[ |
| "no known method", |
| "cast the message send to the method's return type", |
| ], |
| ) |
| self.runCmd("process continue") |
| |
| @skipIfOutOfTreeDebugserver |
| def test_runtime_types_efficient_memreads(self): |
| # Test that we use an efficient reading of memory when reading |
| # Objective-C method descriptions. |
| logfile = os.path.join(self.getBuildDir(), "log.txt") |
| self.runCmd(f"log enable -f {logfile} gdb-remote packets process") |
| self.addTearDownHook(lambda: self.runCmd("log disable gdb-remote packets")) |
| |
| self.build() |
| self.target, process, thread, bkpt = lldbutil.run_to_source_breakpoint( |
| self, "// Break here for NSString tests", lldb.SBFileSpec("main.m", False) |
| ) |
| |
| self.runCmd(f"proc plugin packet send StartTesting", check=False) |
| self.expect('expression str = [NSString stringWithCString: "new"]') |
| self.runCmd(f"proc plugin packet send EndTesting", check=False) |
| |
| self.assertTrue(os.path.exists(logfile)) |
| log_text = open(logfile).read() |
| log_text = log_text.split("StartTesting", 1)[-1].split("EndTesting", 1)[0] |
| |
| # This test is only checking that the packet it used at all (and that |
| # no errors are produced). It doesn't check that the packet is being |
| # used to solve a problem in an optimal way. |
| self.assertIn("MultiMemRead:", log_text) |
| self.assertNotIn("MultiMemRead error", log_text) |
