[lldb] Readd missing functionalities/breakpoint tests

It seems when I restructured the test folders the functionalities/breakpoint
was deleted. This just reverts this change and re-adds the tests.

llvm-svn: 371512

Author: Teemperor

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/address_breakpoints/Makefile

@@ -0,0 +1,6 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+CFLAGS_EXTRAS += -std=c99
+
+include $(LEVEL)/Makefile.rules

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/address_breakpoints/TestAddressBreakpoints.py

@@ -0,0 +1,96 @@
+"""
+Test address breakpoints set with shared library of SBAddress work correctly.
+"""
+
+from __future__ import print_function
+
+
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+
+
+class AddressBreakpointTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    NO_DEBUG_INFO_TESTCASE = True
+
+    def test_address_breakpoints(self):
+        """Test address breakpoints set with shared library of SBAddress work correctly."""
+        self.build()
+        self.address_breakpoints()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+    def address_breakpoints(self):
+        """Test address breakpoints set with shared library of SBAddress work correctly."""
+        exe = self.getBuildArtifact("a.out")
+
+        # Create a target by the debugger.
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Now create a breakpoint on main.c by name 'c'.
+        breakpoint = target.BreakpointCreateBySourceRegex(
+            "Set a breakpoint here", lldb.SBFileSpec("main.c"))
+        self.assertTrue(breakpoint and
+                        breakpoint.GetNumLocations() >= 1,
+                        VALID_BREAKPOINT)
+
+        # Get the breakpoint location from breakpoint after we verified that,
+        # indeed, it has one location.
+        location = breakpoint.GetLocationAtIndex(0)
+        self.assertTrue(location and
+                        location.IsEnabled(),
+                        VALID_BREAKPOINT_LOCATION)
+
+        # Next get the address from the location, and create an address breakpoint using
+        # that address:
+
+        address = location.GetAddress()
+        target.BreakpointDelete(breakpoint.GetID())
+
+        breakpoint = target.BreakpointCreateBySBAddress(address)
+
+        # Disable ASLR.  This will allow us to actually test (on platforms that support this flag)
+        # that the breakpoint was able to track the module.
+
+        launch_info = lldb.SBLaunchInfo(None)
+        flags = launch_info.GetLaunchFlags()
+        flags &= ~lldb.eLaunchFlagDisableASLR
+        launch_info.SetLaunchFlags(flags)
+
+        error = lldb.SBError()
+
+        process = target.Launch(launch_info, error)
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # Did we hit our breakpoint?
+        from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint
+        threads = get_threads_stopped_at_breakpoint(process, breakpoint)
+        self.assertTrue(
+            len(threads) == 1,
+            "There should be a thread stopped at our breakpoint")
+
+        # The hit count for the breakpoint should be 1.
+        self.assertTrue(breakpoint.GetHitCount() == 1)
+
+        process.Kill()
+
+        # Now re-launch and see that we hit the breakpoint again:
+        launch_info.Clear()
+        launch_info.SetLaunchFlags(flags)
+
+        process = target.Launch(launch_info, error)
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        thread = get_threads_stopped_at_breakpoint(process, breakpoint)
+        self.assertTrue(
+            len(threads) == 1,
+            "There should be a thread stopped at our breakpoint")
+
+        # The hit count for the breakpoint should now be 2.
+        self.assertTrue(breakpoint.GetHitCount() == 2)

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/address_breakpoints/TestBadAddressBreakpoints.py

@@ -0,0 +1,47 @@
+"""
+Test that breakpoints set on a bad address say they are bad.
+"""
+
+from __future__ import print_function
+
+
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+
+
+class BadAddressBreakpointTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    NO_DEBUG_INFO_TESTCASE = True
+
+    def test_bad_address_breakpoints(self):
+        """Test that breakpoints set on a bad address say they are bad."""
+        self.build()
+        self.address_breakpoints()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+    def address_breakpoints(self):
+        """Test that breakpoints set on a bad address say they are bad."""
+        target, process, thread, bkpt = \
+            lldbutil.run_to_source_breakpoint(self,
+                                              "Set a breakpoint here",
+                                              lldb.SBFileSpec("main.c"))
+
+        # Now see if we can read from 0.  If I can't do that, I don't
+        # have a good way to know what an illegal address is...
+        error = lldb.SBError()
+
+        ptr = process.ReadPointerFromMemory(0x0, error)
+
+        if not error.Success():
+            bkpt = target.BreakpointCreateByAddress(0x0)
+            for bp_loc in bkpt:
+                self.assertTrue(bp_loc.IsResolved() == False)
+        else:
+            self.fail(
+                "Could not find an illegal address at which to set a bad breakpoint.")

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/address_breakpoints/main.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int
+main()
+{
+    printf ("Set a breakpoint here.\n");
+    return 0;
+}

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/auto_continue/Makefile

@@ -0,0 +1,6 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+CFLAGS_EXTRAS += -std=c99
+
+include $(LEVEL)/Makefile.rules

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/auto_continue/TestBreakpointAutoContinue.py

@@ -0,0 +1,101 @@
+"""
+Test that the breakpoint auto-continue flag works correctly.
+"""
+
+from __future__ import print_function
+
+
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+
+
+class BreakpointAutoContinue(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    NO_DEBUG_INFO_TESTCASE = True
+
+    def test_breakpoint_auto_continue(self):
+        """Make sure the auto continue continues with no other complications"""
+        self.build()
+        self.simple_auto_continue()
+
+    def test_auto_continue_with_command(self):
+        """Add a command, make sure the command gets run"""
+        self.build()
+        self.auto_continue_with_command()
+
+    def test_auto_continue_on_location(self):
+        """Set auto-continue on a location and make sure only that location continues"""
+        self.build()
+        self.auto_continue_location()
+
+    def make_target_and_bkpt(self, additional_options=None, num_expected_loc=1,
+                             pattern="Set a breakpoint here"):
+        exe = self.getBuildArtifact("a.out")
+        self.target = self.dbg.CreateTarget(exe)
+        self.assertTrue(self.target.IsValid(), "Target is not valid")
+
+        extra_options_txt = "--auto-continue 1 "
+        if additional_options:
+            extra_options_txt += additional_options
+        bpno = lldbutil.run_break_set_by_source_regexp(self, pattern,
+                                            extra_options = extra_options_txt,
+                                            num_expected_locations = num_expected_loc)
+        return bpno
+
+    def launch_it (self, expected_state):
+        error = lldb.SBError()
+        launch_info = lldb.SBLaunchInfo(None)
+        launch_info.SetWorkingDirectory(self.get_process_working_directory())
+
+        process = self.target.Launch(launch_info, error)
+        self.assertTrue(error.Success(), "Launch failed.")
+
+        state = process.GetState()
+        self.assertEqual(state, expected_state, "Didn't get expected state")
+
+        return process
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+    def simple_auto_continue(self):
+        bpno = self.make_target_and_bkpt()
+        process = self.launch_it(lldb.eStateExited)
+
+        bkpt = self.target.FindBreakpointByID(bpno)
+        self.assertEqual(bkpt.GetHitCount(), 2, "Should have run through the breakpoint twice")
+
+    def auto_continue_with_command(self):
+        bpno = self.make_target_and_bkpt("-N BKPT -C 'break modify --auto-continue 0 BKPT'")
+        process = self.launch_it(lldb.eStateStopped)
+        state = process.GetState()
+        self.assertEqual(state, lldb.eStateStopped, "Process should be stopped")
+        bkpt = self.target.FindBreakpointByID(bpno)
+        threads = lldbutil.get_threads_stopped_at_breakpoint(process, bkpt)
+        self.assertEqual(len(threads), 1, "There was a thread stopped at our breakpoint")
+        self.assertEqual(bkpt.GetHitCount(), 2, "Should have hit the breakpoint twice")
+
+    def auto_continue_location(self):
+        bpno = self.make_target_and_bkpt(pattern="Set a[^ ]* breakpoint here", num_expected_loc=2)
+        bkpt = self.target.FindBreakpointByID(bpno)
+        bkpt.SetAutoContinue(False)
+
+        loc = lldb.SBBreakpointLocation()
+        for i in range(0,2):
+            func_name = bkpt.location[i].GetAddress().function.name
+            if func_name == "main":
+                loc = bkpt.location[i]
+
+        self.assertTrue(loc.IsValid(), "Didn't find a location in main")
+        loc.SetAutoContinue(True)
+
+        process = self.launch_it(lldb.eStateStopped)
+
+        threads = lldbutil.get_threads_stopped_at_breakpoint(process, bkpt)
+        self.assertEqual(len(threads), 1, "Didn't get one thread stopped at our breakpoint")
+        func_name = threads[0].frame[0].function.name
+        self.assertEqual(func_name, "call_me")

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/auto_continue/main.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+void
+call_me()
+{
+  printf("Set another breakpoint here.\n");
+}
+
+int
+main()
+{
+  int change_me = 0;
+  for (int i = 0; i < 2; i++)
+  {
+    printf ("Set a breakpoint here: %d with: %d.\n", i, change_me);
+  }
+  call_me();
+  return 0;
+}

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_by_line_and_column/Makefile

@@ -0,0 +1,6 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+CFLAGS_EXTRAS += -std=c99 -gcolumn-info
+
+include $(LEVEL)/Makefile.rules

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_by_line_and_column/TestBreakpointByLineAndColumn.py

@@ -0,0 +1,45 @@
+"""
+Test setting a breakpoint by line and column.
+"""
+
+from __future__ import print_function
+
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class BreakpointByLineAndColumnTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    ## Skip gcc version less 7.1 since it doesn't support -gcolumn-info
+    @skipIf(compiler="gcc", compiler_version=['<', '7.1'])
+    def testBreakpointByLineAndColumn(self):
+        self.build()
+        main_c = lldb.SBFileSpec("main.c")
+        _, _, _, breakpoint = lldbutil.run_to_line_breakpoint(self,
+                                                              main_c, 19, 50)
+        self.expect("fr v did_call", substrs='1')
+        in_then = False
+        for i in range(breakpoint.GetNumLocations()):
+            b_loc = breakpoint.GetLocationAtIndex(i).GetAddress().GetLineEntry()
+            self.assertEqual(b_loc.GetLine(), 19)
+            in_then |= b_loc.GetColumn() == 50
+        self.assertTrue(in_then)
+
+    ## Skip gcc version less 7.1 since it doesn't support -gcolumn-info
+    @skipIf(compiler="gcc", compiler_version=['<', '7.1'])
+    def testBreakpointByLine(self):
+        self.build()
+        main_c = lldb.SBFileSpec("main.c")
+        _, _, _, breakpoint = lldbutil.run_to_line_breakpoint(self, main_c, 19)
+        self.expect("fr v did_call", substrs='0')
+        in_condition = False
+        for i in range(breakpoint.GetNumLocations()):
+            b_loc = breakpoint.GetLocationAtIndex(i).GetAddress().GetLineEntry()
+            self.assertEqual(b_loc.GetLine(), 19)
+            in_condition |= b_loc.GetColumn() < 30
+        self.assertTrue(in_condition)

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_by_line_and_column/main.c

@@ -0,0 +1,22 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+int square(int x)
+{
+  return x * x;
+}
+
+int main (int argc, char const *argv[])
+{
+  int did_call = 0;
+
+  // Line 20.                                    v Column 50.
+  if(square(argc+1) != 0) { did_call = 1; return square(argc); }
+  //                                             ^
+  return square(0);
+}

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_command/Makefile

@@ -0,0 +1,5 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c a.c b.c
+
+include $(LEVEL)/Makefile.rules