1 files changed, 262 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/lang/objc/foundation/TestObjCMethods.py b/packages/Python/lldbsuite/test/lang/objc/foundation/TestObjCMethods.py
new file mode 100644
index 000000000000..8358bd5e923f
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/objc/foundation/TestObjCMethods.py
@@ -0,0 +1,262 @@
+"""
+Set breakpoints on objective-c class and instance methods in foundation.
+Also lookup objective-c data types and evaluate expressions.
+"""
+
+from __future__ import print_function
+
+
+
+import os, os.path, time
+import lldb
+import string
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+file_index = 0
+@skipUnlessDarwin
+class FoundationTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break inside main().
+        self.main_source = "main.m"
+        self.line = line_number(self.main_source, '// Set break point at this line.')
+
+    def test_break(self):
+        """Test setting objc breakpoints using '_regexp-break' and 'breakpoint set'."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # Stop at +[NSString stringWithFormat:].
+        break_results = lldbutil.run_break_set_command(self, "_regexp-break +[NSString stringWithFormat:]")
+        lldbutil.check_breakpoint_result (self, break_results, symbol_name='+[NSString stringWithFormat:]', num_locations=1)
+
+        # Stop at -[MyString initWithNSString:].
+        lldbutil.run_break_set_by_symbol (self, '-[MyString initWithNSString:]', num_expected_locations=1, sym_exact=True)
+
+        # Stop at the "description" selector.
+        lldbutil.run_break_set_by_selector (self, 'description', num_expected_locations=1, module_name='a.out')
+
+        # Stop at -[NSAutoreleasePool release].
+        break_results = lldbutil.run_break_set_command(self, "_regexp-break -[NSAutoreleasePool release]")
+        lldbutil.check_breakpoint_result (self, break_results, symbol_name='-[NSAutoreleasePool release]', num_locations=1)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # First stop is +[NSString stringWithFormat:].
+        self.expect("thread backtrace", "Stop at +[NSString stringWithFormat:]",
+            substrs = ["Foundation`+[NSString stringWithFormat:]"])
+
+        self.runCmd("process continue")
+
+        # Second stop is still +[NSString stringWithFormat:].
+        self.expect("thread backtrace", "Stop at +[NSString stringWithFormat:]",
+            substrs = ["Foundation`+[NSString stringWithFormat:]"])
+
+        self.runCmd("process continue")
+
+        # Followed by a.out`-[MyString initWithNSString:].
+        self.expect("thread backtrace", "Stop at a.out`-[MyString initWithNSString:]",
+            substrs = ["a.out`-[MyString initWithNSString:]"])
+
+        self.runCmd("process continue")
+
+        # Followed by -[MyString description].
+        self.expect("thread backtrace", "Stop at -[MyString description]",
+            substrs = ["a.out`-[MyString description]"])
+
+        self.runCmd("process continue")
+
+        # Followed by the same -[MyString description].
+        self.expect("thread backtrace", "Stop at -[MyString description]",
+            substrs = ["a.out`-[MyString description]"])
+
+        self.runCmd("process continue")
+
+        # Followed by -[NSAutoreleasePool release].
+        self.expect("thread backtrace", "Stop at -[NSAutoreleasePool release]",
+            substrs = ["Foundation`-[NSAutoreleasePool release]"])
+
+    # rdar://problem/8542091
+    # rdar://problem/8492646
+    def test_data_type_and_expr(self):
+        """Lookup objective-c data types and evaluate expressions."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "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.expect("breakpoint set -n '-[MyString description]", BREAKPOINT_CREATED,
+#            startstr = "Breakpoint created: 1: name = '-[MyString description]', locations = 1")
+
+        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]"])
+
+        # Lookup objc data type MyString and evaluate some expressions.
+
+        self.expect("image lookup -t NSString", DATA_TYPES_DISPLAYED_CORRECTLY,
+            substrs = ['name = "NSString"',
+                       'compiler_type = "@interface NSString'])
+
+        self.expect("image lookup -t MyString", DATA_TYPES_DISPLAYED_CORRECTLY,
+            substrs = ['name = "MyString"',
+                       'compiler_type = "@interface MyString',
+                       'NSString * str;',
+                       'NSDate * date;'])
+
+        self.expect("frame variable --show-types --scope", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ["ARG: (MyString *) self"],
+            patterns = ["ARG: \(.*\) _cmd",
+                        "(objc_selector *)|(SEL)"])
+
+        # rdar://problem/8651752
+        # don't crash trying to ask clang how many children an empty record has
+        self.runCmd("frame variable *_cmd")
+
+        # rdar://problem/8492646
+        # test/foundation fails after updating to tot r115023
+        # self->str displays nothing as output
+        self.expect("frame variable --show-types self->str", VARIABLES_DISPLAYED_CORRECTLY,
+            startstr = "(NSString *) self->str")
+
+        # rdar://problem/8447030
+        # 'frame variable self->date' displays the wrong data member
+        self.expect("frame variable --show-types self->date", VARIABLES_DISPLAYED_CORRECTLY,
+            startstr = "(NSDate *) self->date")
+
+        # This should display the str and date member fields as well.
+        self.expect("frame variable --show-types *self", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ["(MyString) *self",
+                       "(NSString *) str",
+                       "(NSDate *) date"])
+        
+        # isa should be accessible.
+        self.expect("expression self->isa", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ["(Class)"])
+
+        # This should fail expectedly.
+        self.expect("expression self->non_existent_member",
+                    COMMAND_FAILED_AS_EXPECTED, error=True,
+            startstr = "error: 'MyString' does not have a member named 'non_existent_member'")
+
+        # Use expression parser.
+        self.runCmd("expression self->str")
+        self.runCmd("expression self->date")
+
+        # (lldb) expression self->str
+        # error: instance variable 'str' is protected
+        # error: 1 errors parsing expression
+        #
+        # (lldb) expression self->date
+        # error: instance variable 'date' is protected
+        # error: 1 errors parsing expression
+        #
+
+        self.runCmd("breakpoint delete 1")
+        lldbutil.run_break_set_by_file_and_line (self, "main.m", self.line, num_expected_locations=1, loc_exact=True)
+
+        self.runCmd("process continue")
+
+        # rdar://problem/8542091
+        # test/foundation: expr -o -- my not working?
+        #
+        # Test new feature with r115115:
+        # Add "-o" option to "expression" which prints the object description if available.
+        self.expect("expression --object-description -- my", "Object description displayed correctly",
+            patterns = ["Hello from.*a.out.*with timestamp: "])
+
+    @add_test_categories(['pyapi'])
+    def test_print_ivars_correctly (self):
+        self.build()
+        # See: <rdar://problem/8717050> lldb needs to use the ObjC runtime symbols for ivar offsets
+        # Only fails for the ObjC 2.0 runtime.
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        break1 = target.BreakpointCreateByLocation(self.main_source, self.line)
+        self.assertTrue(break1, VALID_BREAKPOINT)
+
+        # Now launch the process, and do not stop at entry point.
+        process = target.LaunchSimple (None, None, self.get_process_working_directory())
+
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # The stop reason of the thread should be breakpoint.
+        thread = process.GetThreadAtIndex(0)
+        if thread.GetStopReason() != lldb.eStopReasonBreakpoint:
+            from lldbsuite.test.lldbutil import stop_reason_to_str
+            self.fail(STOPPED_DUE_TO_BREAKPOINT_WITH_STOP_REASON_AS %
+                      stop_reason_to_str(thread.GetStopReason()))
+
+        # Make sure we stopped at the first breakpoint.
+
+        cur_frame = thread.GetFrameAtIndex(0)
+
+        line_number = cur_frame.GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.line, "Hit the first breakpoint.")
+
+        my_var = cur_frame.FindVariable("my")
+        self.assertTrue(my_var, "Made a variable object for my")
+
+        str_var = cur_frame.FindVariable("str")
+        self.assertTrue(str_var, "Made a variable object for str")
+
+        # Now make sure that the my->str == str:
+
+        my_str_var = my_var.GetChildMemberWithName("str")
+        self.assertTrue(my_str_var, "Found a str ivar in my")
+
+        str_value = int(str_var.GetValue(), 0)
+
+        my_str_value = int(my_str_var.GetValue(), 0)
+
+        self.assertTrue(str_value == my_str_value, "Got the correct value for my->str")
+
+    def test_expression_lookups_objc(self):
+        """Test running an expression detect spurious debug info lookups (DWARF)."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # Stop at -[MyString initWithNSString:].
+        lldbutil.run_break_set_by_symbol (self, '-[MyString initWithNSString:]', num_expected_locations=1, sym_exact=True)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        global file_index
+        # Log any DWARF lookups
+        ++file_index
+        logfile = os.path.join(os.getcwd(), "dwarf-lookups-" + self.getArchitecture() + "-" + str(file_index) + ".txt")
+        self.runCmd("log enable -f %s dwarf lookups" % (logfile))
+        self.runCmd("expr self")
+        self.runCmd("log disable dwarf lookups")
+        
+        def cleanup():
+            if os.path.exists (logfile):
+                os.unlink (logfile)
+        
+        self.addTearDownHook(cleanup)
+        
+        if os.path.exists (logfile):
+            f = open(logfile)
+            lines = f.readlines()
+            num_errors = 0
+            for line in lines:
+                if string.find(line, "$__lldb") != -1:
+                    if num_errors == 0:
+                        print("error: found spurious name lookups when evaluating an expression:")
+                    num_errors += 1
+                    print(line, end='')
+            self.assertTrue(num_errors == 0, "Spurious lookups detected")
+            f.close()