| """ |
| Test lldb data formatter subsystem. |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class StdVectorDataFormatterTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| @expectedFailureDarwin("llvm.org/pr20264") |
| def test_with_dsym_and_run_command(self): |
| """Test data formatter commands.""" |
| self.buildDsym() |
| self.data_formatter_commands() |
| |
| @dwarf_test |
| @expectedFailureClang # llvm.org/pr15301 LLDB prints incorrect sizes of STL containers |
| @expectedFailureIcc # llvm.org/pr15301 LLDB prints incorrect sizes of STL containers |
| @expectedFailureGcc # llvm.org/pr17499 The data formatter cannot parse STL containers |
| def test_with_dwarf_and_run_command(self): |
| """Test data formatter commands.""" |
| if "gcc" in self.getCompiler() and "4.8" in self.getCompilerVersion(): |
| self.skipTest("llvm.org/pr15301 LLDB prints incorrect sizes of STL containers") |
| self.buildDwarf() |
| self.data_formatter_commands() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break at. |
| self.line = line_number('main.cpp', '// Set break point at this line.') |
| |
| def data_formatter_commands(self): |
| """Test that that file and class static variables display correctly.""" |
| self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) |
| |
| lldbutil.run_break_set_by_source_regexp (self, "Set break point at this line.") |
| |
| 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']) |
| |
| # 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']) |
| |
| self.runCmd("c") |
| |
| # first value added |
| self.expect("frame variable numbers", |
| substrs = ['numbers = size=1', |
| '[0] = 1', |
| '}']) |
| |
| # add some more data |
| self.runCmd("c"); |
| |
| 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 ${svar[0]}\" std::int_vect int_vect") |
| #import time |
| #time.sleep(19) |
| self.expect('frame variable numbers', |
| substrs = ['item 0 is 1']); |
| # move on with synths |
| self.runCmd("type summary delete std::int_vect") |
| self.runCmd("type summary delete int_vect") |
| |
| # add some more data |
| self.runCmd("c"); |
| |
| self.expect("frame variable numbers", |
| substrs = ['numbers = size=7', |
| '[0] = 1', |
| '[1] = 12', |
| '[2] = 123', |
| '[3] = 1234', |
| '[4] = 12345', |
| '[5] = 123456', |
| '[6] = 1234567', |
| '}']) |
| |
| self.expect("p numbers", |
| substrs = ['$', 'size=7', |
| '[0] = 1', |
| '[1] = 12', |
| '[2] = 123', |
| '[3] = 1234', |
| '[4] = 12345', |
| '[5] = 123456', |
| '[6] = 1234567', |
| '}']) |
| |
| # check access-by-index |
| self.expect("frame variable numbers[0]", |
| substrs = ['1']); |
| self.expect("frame variable numbers[1]", |
| substrs = ['12']); |
| self.expect("frame variable numbers[2]", |
| substrs = ['123']); |
| self.expect("frame variable numbers[3]", |
| substrs = ['1234']); |
| |
| # but check that expression does not rely on us |
| # (when expression gets to call into STL code correctly, we will have to find |
| # another way to check this) |
| self.expect("expression numbers[6]", matching=False, error=True, |
| substrs = ['1234567']) |
| |
| # check that MightHaveChildren() gets it right |
| self.assertTrue(self.frame().FindVariable("numbers").MightHaveChildren(), "numbers.MightHaveChildren() says False for non empty!") |
| |
| # clear out the vector and see that we do the right thing once again |
| self.runCmd("c") |
| |
| self.expect("frame variable numbers", |
| substrs = ['numbers = size=0']) |
| |
| self.runCmd("c") |
| |
| # first value added |
| self.expect("frame variable numbers", |
| substrs = ['numbers = size=1', |
| '[0] = 7', |
| '}']) |
| |
| # check if we can display strings |
| self.runCmd("c") |
| |
| 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']) |
| |
| self.runCmd("c"); |
| |
| 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']); |
| |
| # but check that expression does not rely on us |
| # (when expression gets to call into STL code correctly, we will have to find |
| # another way to check this) |
| self.expect("expression strings[0]", matching=False, error=True, |
| substrs = ['goofy']) |
| |
| # check that MightHaveChildren() gets it right |
| self.assertTrue(self.frame().FindVariable("strings").MightHaveChildren(), "strings.MightHaveChildren() says False for non empty!") |
| |
| self.runCmd("c") |
| |
| self.expect("frame variable strings", |
| substrs = ['vector has 0 items']) |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
