| """ |
| Test lldb data formatter subsystem. |
| """ |
| |
| 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 LibcxxVectorDataFormatterTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def check_numbers(self, var_name): |
| self.expect("frame variable " + var_name, |
| substrs=[var_name + ' = size=7', |
| '[0] = 1', |
| '[1] = 12', |
| '[2] = 123', |
| '[3] = 1234', |
| '[4] = 12345', |
| '[5] = 123456', |
| '[6] = 1234567', |
| '}']) |
| |
| self.expect("p " + var_name, |
| substrs=['$', 'size=7', |
| '[0] = 1', |
| '[1] = 12', |
| '[2] = 123', |
| '[3] = 1234', |
| '[4] = 12345', |
| '[5] = 123456', |
| '[6] = 1234567', |
| '}']) |
| |
| # check access-by-index |
| self.expect("frame variable " + var_name + "[0]", |
| substrs=['1']) |
| self.expect("frame variable " + var_name + "[1]", |
| substrs=['12']) |
| self.expect("frame variable " + var_name + "[2]", |
| substrs=['123']) |
| self.expect("frame variable " + var_name + "[3]", |
| substrs=['1234']) |
| |
| @add_test_categories(["libc++"]) |
| @skipIf(debug_info="gmodules", |
| bugnumber="https://bugs.llvm.org/show_bug.cgi?id=36048") |
| def test_with_run_command(self): |
| """Test that that file and class static variables display correctly.""" |
| self.build() |
| (self.target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint( |
| self, "break here", lldb.SBFileSpec("main.cpp", False)) |
| |
| # This is the function to remove the custom formats in order to have a |
| # clean slate for the next test case. |
| def cleanup(): |
| self.runCmd('type format clear', check=False) |
| self.runCmd('type summary clear', check=False) |
| self.runCmd('type filter clear', check=False) |
| self.runCmd('type synth clear', check=False) |
| self.runCmd( |
| "settings set target.max-children-count 256", |
| check=False) |
| |
| # Execute the cleanup function during test case tear down. |
| self.addTearDownHook(cleanup) |
| |
| # empty vectors (and storage pointers SHOULD BOTH BE NULL..) |
| self.expect("frame variable numbers", |
| substrs=['numbers = size=0']) |
| |
| lldbutil.continue_to_breakpoint(process, bkpt) |
| |
| # first value added |
| self.expect("frame variable numbers", |
| substrs=['numbers = size=1', |
| '[0] = 1', |
| '}']) |
| |
| # add some more data |
| lldbutil.continue_to_breakpoint(process, bkpt) |
| |
| self.expect("frame variable numbers", |
| substrs=['numbers = size=4', |
| '[0] = 1', |
| '[1] = 12', |
| '[2] = 123', |
| '[3] = 1234', |
| '}']) |
| |
| self.expect("p numbers", |
| substrs=['$', 'size=4', |
| '[0] = 1', |
| '[1] = 12', |
| '[2] = 123', |
| '[3] = 1234', |
| '}']) |
| |
| # check access to synthetic children |
| self.runCmd( |
| "type summary add --summary-string \"item 0 is ${var[0]}\" std::int_vect int_vect") |
| self.expect('frame variable numbers', |
| substrs=['item 0 is 1']) |
| |
| self.runCmd( |
| "type summary add --summary-string \"item 0 is ${svar[0]}\" std::int_vect int_vect") |
| self.expect('frame variable numbers', |
| substrs=['item 0 is 1']) |
| # move on with synths |
| self.runCmd("type summary delete std::int_vect") |
| self.runCmd("type summary delete int_vect") |
| |
| # add some more data |
| lldbutil.continue_to_breakpoint(process, bkpt) |
| |
| self.check_numbers("numbers") |
| |
| # clear out the vector and see that we do the right thing once again |
| lldbutil.continue_to_breakpoint(process, bkpt) |
| |
| self.expect("frame variable numbers", |
| substrs=['numbers = size=0']) |
| |
| lldbutil.continue_to_breakpoint(process, bkpt) |
| |
| # first value added |
| self.expect("frame variable numbers", |
| substrs=['numbers = size=1', |
| '[0] = 7', |
| '}']) |
| |
| # check if we can display strings |
| self.expect("frame variable strings", |
| substrs=['goofy', |
| 'is', |
| 'smart']) |
| |
| self.expect("p strings", |
| substrs=['goofy', |
| 'is', |
| 'smart']) |
| |
| # test summaries based on synthetic children |
| self.runCmd( |
| "type summary add std::string_vect string_vect --summary-string \"vector has ${svar%#} items\" -e") |
| self.expect("frame variable strings", |
| substrs=['vector has 3 items', |
| 'goofy', |
| 'is', |
| 'smart']) |
| |
| self.expect("p strings", |
| substrs=['vector has 3 items', |
| 'goofy', |
| 'is', |
| 'smart']) |
| |
| lldbutil.continue_to_breakpoint(process, bkpt) |
| |
| self.expect("frame variable strings", |
| substrs=['vector has 4 items']) |
| |
| # check access-by-index |
| self.expect("frame variable strings[0]", |
| substrs=['goofy']) |
| self.expect("frame variable strings[1]", |
| substrs=['is']) |
| |
| lldbutil.continue_to_breakpoint(process, bkpt) |
| |
| self.expect("frame variable strings", |
| substrs=['vector has 0 items']) |
| |
| @add_test_categories(["libc++"]) |
| @skipIf(debug_info="gmodules", |
| bugnumber="https://bugs.llvm.org/show_bug.cgi?id=36048") |
| def test_ref_and_ptr(self): |
| """Test that that file and class static variables display correctly.""" |
| self.build() |
| (self.target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint( |
| self, "Stop here to check by ref", lldb.SBFileSpec("main.cpp", False)) |
| |
| # The reference should display the same was as the value did |
| self.check_numbers("ref") |
| |
| # The pointer should just show the right number of elements: |
| |
| self.expect("frame variable ptr", substrs=['ptr =', ' size=7']) |
| |
| self.expect("p ptr", substrs=['$', 'size=7']) |
