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    mydir = TestBase.compute_mydir(__file__)
15
16    NO_DEBUG_INFO_TESTCASE = True
17
18    def test_bad_address_breakpoints(self):
19        """Test that breakpoints set on a bad address say they are bad."""
20        self.build()
21        self.address_breakpoints()
22
23    def address_breakpoints(self):
24        """Test that breakpoints set on a bad address say they are bad."""
25        target, process, thread, bkpt = \
26            lldbutil.run_to_source_breakpoint(self,
27                                              "Set a breakpoint here",
28                                              lldb.SBFileSpec("main.c"))
29
30
31
32        # illegal_address will hold (optionally) an address that, if
33        # used as a breakpoint, will generate an unresolved breakpoint.
34        illegal_address = None
35
36        # Walk through all the memory regions in the process and
37        # find an address that is invalid.
38        regions = process.GetMemoryRegions()
39        for region_idx in range(regions.GetSize()):
40            region = lldb.SBMemoryRegionInfo()
41            regions.GetMemoryRegionAtIndex(region_idx, region)
42            if illegal_address == None or \
43                region.GetRegionEnd() > illegal_address:
44                illegal_address = region.GetRegionEnd()
45
46        if illegal_address is not None:
47            # Now, set a breakpoint at the address we know is illegal.
48            bkpt = target.BreakpointCreateByAddress(illegal_address)
49            # Verify that breakpoint is not resolved.
50            for bp_loc in bkpt:
51                self.assertEquals(bp_loc.IsResolved(), False)
52        else:
53            self.fail(
54                "Could not find an illegal address at which to set a bad breakpoint.")
55