Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/lldb/packages/Python/lldbsuite/test/logging/Makefile

@@ -0,0 +1,5 @@
+LEVEL = ../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules

external/llvm-project/lldb/packages/Python/lldbsuite/test/logging/TestLogging.py

@@ -0,0 +1,122 @@
+"""
+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__)
+    append_log_file = "lldb-commands-log-append.txt"
+    truncate_log_file = "lldb-commands-log-truncate.txt"
+
+    @classmethod
+    def classCleanup(cls):
+        """Cleanup the test byproducts."""
+        cls.RemoveTempFile(cls.truncate_log_file)
+        cls.RemoveTempFile(cls.append_log_file)
+
+    def test(self):
+        self.build()
+        if self.debug_info == "dsym":
+            self.command_log_tests("dsym")
+        else:
+            self.command_log_tests("dwarf")
+
+    def command_log_tests(self, type):
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.expect("file " + exe,
+                    patterns=["Current executable set to .*a.out"])
+
+        log_file = os.path.join(
+            os.getcwd(),
+            "lldb-commands-log-%s-%s-%s.txt" %
+            (type,
+             os.path.basename(
+                 self.getCompiler()),
+                self.getArchitecture()))
+
+        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
+    @no_debug_info_test
+    def test_log_truncate(self):
+        if (os.path.exists(self.truncate_log_file)):
+            os.remove(self.truncate_log_file)
+
+        # put something in our log file
+        with open(self.truncate_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.truncate_log_file))
+        self.runCmd("help log")
+        self.runCmd("log disable lldb")
+
+        self.assertTrue(os.path.isfile(self.truncate_log_file))
+        with open(self.truncate_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
+    @no_debug_info_test
+    def test_log_append(self):
+        if (os.path.exists(self.append_log_file)):
+            os.remove(self.append_log_file)
+
+        # put something in our log file
+        with open(self.append_log_file, "w") as f:
+            f.write("bacon\n")
+
+        self.runCmd(
+            "log enable -t -a -f '%s' lldb commands" %
+            (self.append_log_file))
+        self.runCmd("help log")
+        self.runCmd("log disable lldb")
+
+        self.assertTrue(os.path.isfile(self.append_log_file))
+        with open(self.append_log_file, "r") as f:
+            contents = f.read()
+
+        # check that it is still there
+        self.assertEquals(contents.find("bacon"), 0)

external/llvm-project/lldb/packages/Python/lldbsuite/test/logging/main.cpp

@@ -0,0 +1,62 @@
+//===-- main.cpp ------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <cstdlib>
+#include <string>
+#include <fstream>
+#include <iostream>
+
+int
+product (int x, int y)
+{
+    int result = x * y;
+    return result;
+}
+
+int
+sum (int a, int b)
+{
+    int result = a + b;
+    return result;
+}
+
+int
+strange_max (int m, int n)
+{
+    if (m > n)
+        return m;
+    else if (n > m)
+        return n;
+    else
+        return 0;
+}
+
+int
+foo (int i, int j)
+{
+    if (strange_max (i, j) == i)
+        return product (i, j);
+    else if (strange_max  (i, j) == j)
+        return sum (i, j);
+    else
+        return product (sum (i, i), sum (j, j));
+}
+
+int
+main(int argc, char const *argv[])
+{
+
+    int array[3];
+
+    array[0] = foo (1238, 78392);
+    array[1] = foo (379265, 23674);
+    array[2] = foo (872934, 234);
+
+    return 0;
+}