1"""
2Test that breakpoints set on a bad address say they are bad.
3"""
4
5
6
7import lldb
8import lldbsuite.test.lldbutil as lldbutil
9from lldbsuite.test.lldbtest import *
10
11
12class BadAddressBreakpointTestCase(TestBase):
13
14    NO_DEBUG_INFO_TESTCASE = True
15
16    def test_bad_address_breakpoints(self):
17        """Test that breakpoints set on a bad address say they are bad."""
18        self.build()
19        self.address_breakpoints()
20
21    def address_breakpoints(self):
22        """Test that breakpoints set on a bad address say they are bad."""
23        target, process, thread, bkpt = \
24            lldbutil.run_to_source_breakpoint(self,
25                                              "Set a breakpoint here",
26                                              lldb.SBFileSpec("main.c"))
27
28
29
30        # illegal_address will hold (optionally) an address that, if
31        # used as a breakpoint, will generate an unresolved breakpoint.
32        illegal_address = None
33
34        # Walk through all the memory regions in the process and
35        # find an address that is invalid.
36        regions = process.GetMemoryRegions()
37        for region_idx in range(regions.GetSize()):
38            region = lldb.SBMemoryRegionInfo()
39            regions.GetMemoryRegionAtIndex(region_idx, region)
40            if illegal_address == None or \
41                region.GetRegionEnd() > illegal_address:
42                illegal_address = region.GetRegionEnd()
43
44        if illegal_address is not None:
45            # Now, set a breakpoint at the address we know is illegal.
46            bkpt = target.BreakpointCreateByAddress(illegal_address)
47            # Verify that breakpoint is not resolved.
48            for bp_loc in bkpt:
49                self.assertEquals(bp_loc.IsResolved(), False)
50        else:
51            self.fail(
52                "Could not find an illegal address at which to set a bad breakpoint.")
53