88 lines · python
1"""2Test watchpoint modify command to set condition on a watchpoint.3"""4 5 6import lldb7from lldbsuite.test.decorators import *8from lldbsuite.test.lldbtest import *9from lldbsuite.test import lldbutil10 11 12class WatchpointConditionCmdTestCase(TestBase):13 NO_DEBUG_INFO_TESTCASE = True14 15 def setUp(self):16 # Call super's setUp().17 TestBase.setUp(self)18 # Our simple source filename.19 self.source = "main.cpp"20 # Find the line number to break inside main().21 self.line = line_number(self.source, "// Set break point at this line.")22 # And the watchpoint variable declaration line number.23 self.decl = line_number(self.source, "// Watchpoint variable declaration.")24 # Build dictionary to have unique executable names for each test25 # method.26 self.exe_name = self.testMethodName27 self.d = {"CXX_SOURCES": self.source, "EXE": self.exe_name}28 29 def test_watchpoint_cond(self):30 """Test watchpoint condition."""31 self.build(dictionary=self.d)32 self.setTearDownCleanup(dictionary=self.d)33 34 exe = self.getBuildArtifact(self.exe_name)35 self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)36 37 # Add a breakpoint to set a watchpoint when stopped on the breakpoint.38 lldbutil.run_break_set_by_file_and_line(39 self, None, self.line, num_expected_locations=140 )41 42 # Run the program.43 self.runCmd("run", RUN_SUCCEEDED)44 45 # We should be stopped again due to the breakpoint.46 # The stop reason of the thread should be breakpoint.47 self.expect(48 "thread list",49 STOPPED_DUE_TO_BREAKPOINT,50 substrs=["stopped", "stop reason = breakpoint"],51 )52 53 # Now let's set a write-type watchpoint for 'global'.54 # With a condition of 'global==5'.55 self.expect(56 "watchpoint set variable -w write global",57 WATCHPOINT_CREATED,58 substrs=[59 "Watchpoint created",60 "size = 4",61 "type = w",62 "%s:%d" % (self.source, self.decl),63 ],64 )65 66 self.runCmd("watchpoint modify -c 'global==5'")67 68 # Use the '-v' option to do verbose listing of the watchpoint.69 # The hit count should be 0 initially.70 self.expect("watchpoint list -v", substrs=["global==5", "hit_count = 0"])71 72 self.runCmd("process continue")73 74 # We should be stopped again due to the watchpoint (write type).75 # The stop reason of the thread should be watchpoint.76 self.expect(77 "thread backtrace",78 STOPPED_DUE_TO_WATCHPOINT,79 substrs=["stop reason = watchpoint"],80 )81 self.expect(82 "frame variable --show-globals global", substrs=["(int32_t)", "global = 5"]83 )84 85 # Use the '-v' option to do verbose listing of the watchpoint.86 # The hit count should now be 2.87 self.expect("watchpoint list -v", substrs=["hit_count = 1"])88