| """Test variable with function ptr type and that break on the function works.""" |
| |
| 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 FunctionTypesTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break inside main(). |
| self.line = line_number('main.c', '// Set break point at this line.') |
| |
| def test(self): |
| """Test 'callback' has function ptr type, then break on the function.""" |
| self.build() |
| self.runToBreakpoint() |
| |
| # Check that the 'callback' variable display properly. |
| self.expect( |
| "frame variable --show-types callback", |
| VARIABLES_DISPLAYED_CORRECTLY, |
| startstr='(int (*)(const char *)) callback =') |
| |
| # And that we can break on the callback function. |
| lldbutil.run_break_set_by_symbol( |
| self, |
| "string_not_empty", |
| num_expected_locations=1, |
| sym_exact=True) |
| self.runCmd("continue") |
| |
| # Check that we do indeed stop on the string_not_empty function. |
| self.expect("process status", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['a.out`string_not_empty', |
| 'stop reason = breakpoint']) |
| |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765") |
| def test_pointers(self): |
| """Test that a function pointer to 'printf' works and can be called.""" |
| self.build() |
| self.runToBreakpoint() |
| |
| self.expect("expr string_not_empty", |
| substrs=['(int (*)(const char *)) $0 = ', '(a.out`']) |
| |
| if self.platformIsDarwin(): |
| regexps = ['lib.*\.dylib`printf'] |
| else: |
| regexps = ['printf'] |
| self.expect("expr (int (*)(const char*, ...))printf", |
| substrs=['(int (*)(const char *, ...)) $1 = '], |
| patterns=regexps) |
| |
| self.expect("expr $1(\"Hello world\\n\")", |
| startstr='(int) $2 = 12') |
| |
| def runToBreakpoint(self): |
| exe = self.getBuildArtifact("a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Break inside the main. |
| lldbutil.run_break_set_by_file_and_line( |
| self, "main.c", self.line, num_expected_locations=1, loc_exact=True) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs=['stopped', |
| 'stop reason = breakpoint']) |
| |
| # The breakpoint should have a hit count of 1. |
| self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, |
| substrs=[' resolved, hit count = 1']) |
