[Lldb-commits] [lldb] r121457 - in /lldb/trunk/test/objc-stepping: Makefile TestObjCStepping.py stepping-tests.m

Jim Ingham jingham at apple.com
Thu Dec 9 18:33:02 PST 2010


Author: jingham
Date: Thu Dec  9 20:33:02 2010
New Revision: 121457

URL: http://llvm.org/viewvc/llvm-project?rev=121457&view=rev
Log:
Added some tests for ObjC stepping, step into ordinary and stret methods, and stepping 
through a KVO swizzled object's method calls.

Added:
    lldb/trunk/test/objc-stepping/Makefile
    lldb/trunk/test/objc-stepping/TestObjCStepping.py
Modified:
    lldb/trunk/test/objc-stepping/stepping-tests.m

Added: lldb/trunk/test/objc-stepping/Makefile
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/objc-stepping/Makefile?rev=121457&view=auto
==============================================================================
--- lldb/trunk/test/objc-stepping/Makefile (added)
+++ lldb/trunk/test/objc-stepping/Makefile Thu Dec  9 20:33:02 2010
@@ -0,0 +1,6 @@
+LEVEL = ../make
+
+OBJC_SOURCES := stepping-tests.m
+LDFLAGS = $(CFLAGS) -lobjc -framework Foundation
+
+include $(LEVEL)/Makefile.rules

Added: lldb/trunk/test/objc-stepping/TestObjCStepping.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/objc-stepping/TestObjCStepping.py?rev=121457&view=auto
==============================================================================
--- lldb/trunk/test/objc-stepping/TestObjCStepping.py (added)
+++ lldb/trunk/test/objc-stepping/TestObjCStepping.py Thu Dec  9 20:33:02 2010
@@ -0,0 +1,160 @@
+"""Test stepping through ObjC method dispatch in various forms."""
+
+import os, time
+import unittest2
+import lldb
+from lldbtest import *
+
+class TestObjCStepping(TestBase):
+
+    mydir = "objc-stepping"
+
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    def test_with_dsym_and_run_command(self):
+        """Test 'frame variable var_name' on some variables with array types."""
+        self.buildDsym()
+        self.objc_stepping()
+
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    def test_with_dsym_and_python_api(self):
+        """Use Python APIs to inspect variables with array types."""
+        self.buildDsym()
+        self.objc_stepping()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line numbers to break inside main().
+        self.main_source = "stepping-tests.m"
+        self.line1 = line_number(self.main_source, '// Set first breakpoint here.')
+        self.line2 = line_number(self.main_source, '// Set second breakpoint here.')
+        self.line3 = line_number(self.main_source, '// Set third breakpoint here.')
+        self.line4 = line_number(self.main_source, '// Set fourth breakpoint here.')
+        self.line5 = line_number(self.main_source, '// Set fifth breakpoint here.')
+        self.source_randomMethod_line = line_number (self.main_source, '// Source randomMethod start line.')
+        self.sourceBase_randomMethod_line = line_number (self.main_source, '// SourceBase randomMethod start line.')
+        self.source_returnsStruct_start_line = line_number (self.main_source, '// Source returnsStruct start line.')
+        self.source_returnsStruct_call_line = line_number (self.main_source, '// Source returnsStruct call line.')
+        self.sourceBase_returnsStruct_start_line = line_number (self.main_source, '// SourceBase returnsStruct start line.')
+
+    def objc_stepping(self):
+        """Use Python APIs to test stepping into ObjC methods."""
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target.IsValid(), VALID_TARGET)
+
+        break1 = target.BreakpointCreateByLocation(self.main_source, self.line1)
+        self.assertTrue(break1.IsValid(), VALID_BREAKPOINT)
+
+        break2 = target.BreakpointCreateByLocation(self.main_source, self.line2)
+        self.assertTrue(break2.IsValid(), VALID_BREAKPOINT)
+
+        break3 = target.BreakpointCreateByLocation(self.main_source, self.line3)
+        self.assertTrue(break3.IsValid(), VALID_BREAKPOINT)
+
+        break4 = target.BreakpointCreateByLocation(self.main_source, self.line4)
+        self.assertTrue(break4.IsValid(), VALID_BREAKPOINT)
+
+        break5 = target.BreakpointCreateByLocation(self.main_source, self.line5)
+        self.assertTrue(break5.IsValid(), VALID_BREAKPOINT)
+
+        break_returnStruct_call_super = target.BreakpointCreateByLocation(self.main_source, self.source_returnsStruct_call_line)
+        self.assertTrue(break_returnStruct_call_super.IsValid(), VALID_BREAKPOINT)
+
+        # Now launch the process, and do not stop at entry point.
+        self.process = target.LaunchProcess([], [], os.ctermid(), 0, False)
+
+        self.assertTrue(self.process.IsValid(), PROCESS_IS_VALID)
+
+        # The stop reason of the thread should be breakpoint.
+        thread = self.process.GetThreadAtIndex(0)
+        if thread.GetStopReason() != lldb.eStopReasonBreakpoint:
+            from lldbutil import StopReasonString
+            self.fail(STOPPED_DUE_TO_BREAKPOINT_WITH_STOP_REASON_AS %
+                      StopReasonString(thread.GetStopReason()))
+
+        # Make sure we stopped at the first breakpoint.
+
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.line1, "Hit the first breakpoint.")
+
+        mySource = thread.GetFrameAtIndex(0).LookupVar("mySource")
+        self.assertTrue(mySource.IsValid(), "Found mySource local variable.")
+        mySource_isa = mySource.GetChildMemberWithName ("isa")
+        self.assertTrue(mySource_isa.IsValid(), "Found mySource->isa local variable.")
+        mySource_isa.GetValue (thread.GetFrameAtIndex(0))
+
+        # Now step in, that should leave us in the Source randomMethod:
+        thread.StepInto()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.source_randomMethod_line, "Stepped into Source randomMethod.")
+
+        # Now step in again, through the super call, and that should leave us in the SourceBase randomMethod:
+        thread.StepInto()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.sourceBase_randomMethod_line, "Stepped through super into SourceBase randomMethod.")
+
+        self.process.Continue()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.line2, "Continued to second breakpoint in main.")
+
+        # Again, step in twice gets us to a stret method and a stret super call:
+        thread.StepInto()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.source_returnsStruct_start_line, "Stepped into Source returnsStruct.")
+
+        self.process.Continue()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.source_returnsStruct_call_line, "Stepped to the call super line in Source returnsStruct.")
+
+        thread.StepInto()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.sourceBase_returnsStruct_start_line, "Stepped through super into SourceBase returnsStruct.")
+
+        # Cool now continue to get past the call that intializes the Observer, and then do our steps in again to see that 
+        # we can find our way when we're stepping through a KVO swizzled object.
+
+        self.process.Continue()
+        frame = thread.GetFrameAtIndex(0)
+        line_number = frame.GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.line3, "Continued to third breakpoint in main, our object should now be swizzled.")
+        
+        mySource_isa.GetValue (frame)
+        did_change = mySource_isa.GetValueDidChange (frame)
+
+        self.assertTrue (did_change, "The isa did indeed change, swizzled!")
+
+        # Now step in, that should leave us in the Source randomMethod:
+        thread.StepInto()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.source_randomMethod_line, "Stepped into Source randomMethod in swizzled object.")
+
+        # Now step in again, through the super call, and that should leave us in the SourceBase randomMethod:
+        thread.StepInto()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.sourceBase_randomMethod_line, "Stepped through super into SourceBase randomMethod in swizzled object.")
+
+        self.process.Continue()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.line4, "Continued to fourth breakpoint in main.")
+
+        # Again, step in twice gets us to a stret method and a stret super call:
+        thread.StepInto()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.source_returnsStruct_start_line, "Stepped into Source returnsStruct in swizzled object.")
+
+        self.process.Continue()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.source_returnsStruct_call_line, "Stepped to the call super line in Source returnsStruct - second time.")
+
+        thread.StepInto()
+        line_number = thread.GetFrameAtIndex(0).GetLineEntry().GetLine()
+        self.assertTrue (line_number == self.sourceBase_returnsStruct_start_line, "Stepped through super into SourceBase returnsStruct in swizzled object.")
+
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()

Modified: lldb/trunk/test/objc-stepping/stepping-tests.m
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/objc-stepping/stepping-tests.m?rev=121457&r1=121456&r2=121457&view=diff
==============================================================================
--- lldb/trunk/test/objc-stepping/stepping-tests.m (original)
+++ lldb/trunk/test/objc-stepping/stepping-tests.m Thu Dec  9 20:33:02 2010
@@ -19,12 +19,12 @@
 @implementation SourceBase
 - (void) randomMethod
 {
-    printf ("Called in SourceBase version of randomMethod.\n");
+  printf ("Called in SourceBase version of randomMethod.\n"); // SourceBase randomMethod start line.
 }
 
 - (struct return_me) returnsStruct
 {
-  return my_return;
+  return my_return; // SourceBase returnsStruct start line.
 }
 
 - (SourceBase *) initWithFirst: (int) first andSecond: (int) second
@@ -53,14 +53,14 @@
 
 - (void) randomMethod
 {
-    [super randomMethod];
+  [super randomMethod];  // Source randomMethod start line.
     printf ("Called in Source version of random method.");
 }
 
 - (struct return_me) returnsStruct
 {
-  printf ("Called in Source version of returnsStruct.\n");
-  return [super returnsStruct];
+  printf ("Called in Source version of returnsStruct.\n");  // Source returnsStruct start line.
+  return [super returnsStruct];                             // Source returnsStruct call line.  
 }
 
 @end





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