| """ |
| Test lldb logging. This test just makes sure logging doesn't crash, and produces some output. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import string |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class LogTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| def setUp(self): |
| super(LogTestCase, self).setUp() |
| self.log_file = self.getBuildArtifact("log-file.txt") |
| |
| def test(self): |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| self.expect("file " + exe, |
| patterns=["Current executable set to .*a.out"]) |
| |
| log_file = os.path.join(self.getBuildDir(), "lldb-commands-log.txt") |
| |
| if (os.path.exists(log_file)): |
| os.remove(log_file) |
| |
| # By default, Debugger::EnableLog() will set log options to |
| # PREPEND_THREAD_NAME + OPTION_THREADSAFE. We don't want the |
| # threadnames here, so we enable just threadsafe (-t). |
| self.runCmd("log enable -t -f '%s' lldb commands" % (log_file)) |
| |
| self.runCmd("command alias bp breakpoint") |
| |
| self.runCmd("bp set -n main") |
| |
| self.runCmd("bp l") |
| |
| self.runCmd("log disable lldb") |
| |
| self.assertTrue(os.path.isfile(log_file)) |
| |
| f = open(log_file) |
| log_lines = f.readlines() |
| f.close() |
| os.remove(log_file) |
| |
| self.assertGreater( |
| len(log_lines), |
| 0, |
| "Something was written to the log file.") |
| |
| # Check that lldb truncates its log files |
| def test_log_truncate(self): |
| # put something in our log file |
| with open(self.log_file, "w") as f: |
| for i in range(1, 1000): |
| f.write("bacon\n") |
| |
| self.runCmd("log enable -t -f '%s' lldb commands" % self.log_file) |
| self.runCmd("help log") |
| self.runCmd("log disable lldb") |
| |
| self.assertTrue(os.path.isfile(self.log_file)) |
| with open(self.log_file, "r") as f: |
| contents = f.read() |
| |
| # check that it got removed |
| self.assertEquals(contents.find("bacon"), -1) |
| |
| # Check that lldb can append to a log file |
| def test_log_append(self): |
| # put something in our log file |
| with open(self.log_file, "w") as f: |
| f.write("bacon\n") |
| |
| self.runCmd( "log enable -t -a -f '%s' lldb commands" % self.log_file) |
| self.runCmd("help log") |
| self.runCmd("log disable lldb") |
| |
| self.assertTrue(os.path.isfile(self.log_file)) |
| with open(self.log_file, "r") as f: |
| contents = f.read() |
| |
| # check that it is still there |
| self.assertEquals(contents.find("bacon"), 0) |
