| """ |
| Test jumping to different places. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ThreadJumpTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def test(self): |
| """Test thread jump handling.""" |
| self.build(dictionary=self.getBuildFlags()) |
| exe = self.getBuildArtifact("a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Find the line numbers for our breakpoints. |
| self.mark1 = line_number('main.cpp', '// 1st marker') |
| self.mark2 = line_number('main.cpp', '// 2nd marker') |
| self.mark3 = line_number('main.cpp', '// 3rd marker') |
| self.mark4 = line_number('main.cpp', '// 4th marker') |
| self.mark5 = line_number('other.cpp', '// other marker') |
| |
| lldbutil.run_break_set_by_file_and_line( |
| self, "main.cpp", self.mark3, num_expected_locations=1) |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint 1. |
| self.expect( |
| "thread list", |
| STOPPED_DUE_TO_BREAKPOINT + " 1", |
| substrs=[ |
| 'stopped', |
| 'main.cpp:{}'.format( |
| self.mark3), |
| 'stop reason = breakpoint 1']) |
| |
| # Try the int path, force it to return 'a' |
| self.do_min_test(self.mark3, self.mark1, "i", "4") |
| # Try the int path, force it to return 'b' |
| self.do_min_test(self.mark3, self.mark2, "i", "5") |
| # Try the double path, force it to return 'a' |
| self.do_min_test(self.mark4, self.mark1, "j", "7") |
| # Expected to fail on powerpc64le architecture |
| if not self.isPPC64le(): |
| # Try the double path, force it to return 'b' |
| self.do_min_test(self.mark4, self.mark2, "j", "8") |
| |
| # Try jumping to another function in a different file. |
| self.runCmd( |
| "thread jump --file other.cpp --line %i --force" % |
| self.mark5) |
| self.expect("process status", |
| substrs=["at other.cpp:%i" % self.mark5]) |
| |
| # Try jumping to another function (without forcing) |
| self.expect( |
| "j main.cpp:%i" % |
| self.mark1, |
| COMMAND_FAILED_AS_EXPECTED, |
| error=True, |
| substrs=["error"]) |
| |
| def do_min_test(self, start, jump, var, value): |
| # jump to the start marker |
| self.runCmd("j %i" % start) |
| self.runCmd("thread step-in") # step into the min fn |
| # jump to the branch we're interested in |
| self.runCmd("j %i" % jump) |
| self.runCmd("thread step-out") # return out |
| self.runCmd("thread step-over") # assign to the global |
| self.expect("expr %s" % var, substrs=[value]) # check it |
