Vendor import of lldb trunk r256945:

https://llvm.org/svn/llvm-project/lldb/trunk@256945

3 files changed, 109 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/driver/batch_mode/Makefile b/packages/Python/lldbsuite/test/driver/batch_mode/Makefile
new file mode 100644
index 0000000..0d70f25
--- /dev/null
+++ b/packages/Python/lldbsuite/test/driver/batch_mode/Makefile
@@ -0,0 +1,5 @@
+LEVEL = ../../make
+
+C_SOURCES := main.c
+
+include $(LEVEL)/Makefile.rules
diff --git a/packages/Python/lldbsuite/test/driver/batch_mode/TestBatchMode.py b/packages/Python/lldbsuite/test/driver/batch_mode/TestBatchMode.py
new file mode 100644
index 0000000..b5ff88c
--- /dev/null
+++ b/packages/Python/lldbsuite/test/driver/batch_mode/TestBatchMode.py
@@ -0,0 +1,89 @@
+"""
+Test that the lldb driver's batch mode works correctly.
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+from lldbsuite.test.lldbtest import *
+
+class DriverBatchModeTest (TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @skipIfRemote # test not remote-ready llvm.org/pr24813
+    @expectedFlakeyFreeBSD("llvm.org/pr25172 fails rarely on the buildbot")
+    @expectedFlakeyLinux("llvm.org/pr25172")
+    @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
+    def test_driver_batch_mode(self):
+        """Test that the lldb driver's batch mode works correctly."""
+        self.build()
+        self.setTearDownCleanup()
+        self.batch_mode()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Our simple source filename.
+        self.source = 'main.c'
+
+    def expect_string (self, string):
+        import pexpect
+        """This expects for "string", with timeout & EOF being test fails."""
+        try:
+            self.child.expect_exact(string)
+        except pexpect.EOF:
+            self.fail ("Got EOF waiting for '%s'"%(string))
+        except pexpect.TIMEOUT:
+            self.fail ("Timed out waiting for '%s'"%(string))
+
+    def batch_mode (self):
+        import pexpect
+        exe = os.path.join(os.getcwd(), "a.out")
+        prompt = "(lldb) "
+
+        # First time through, pass CRASH so the process will crash and stop in batch mode.
+        run_commands = ' -b -o "break set -n main" -o "run" -o "continue" -k "frame var touch_me_not"'
+        self.child = pexpect.spawn('%s %s %s %s -- CRASH' % (lldbtest_config.lldbExec, self.lldbOption, run_commands, exe))
+        child = self.child
+        # Turn on logging for what the child sends back.
+        if self.TraceOn():
+            child.logfile_read = sys.stdout
+
+        # We should see the "run":
+        self.expect_string ("run")
+        # We should have hit the breakpoint & continued:
+        self.expect_string ("continue")
+        # The App should have crashed:
+        self.expect_string("About to crash")
+        # The -k option should have printed the frame variable once:
+        self.expect_string ('(char *) touch_me_not')
+        # Then we should have a live prompt:
+        self.expect_string (prompt)
+        self.child.sendline("frame variable touch_me_not")
+        self.expect_string ('(char *) touch_me_not')
+        
+        self.deletePexpectChild()
+
+        # Now do it again, and see make sure if we don't crash, we quit:
+        run_commands = ' -b -o "break set -n main" -o "run" -o "continue" '
+        self.child = pexpect.spawn('%s %s %s %s -- NOCRASH' % (lldbtest_config.lldbExec, self.lldbOption, run_commands, exe))
+        child = self.child
+        # Turn on logging for what the child sends back.
+        if self.TraceOn():
+            child.logfile_read = sys.stdout
+
+        # We should see the "run":
+        self.expect_string ("run")
+        # We should have hit the breakpoint & continued:
+        self.expect_string ("continue")
+        # The App should have not have crashed:
+        self.expect_string("Got there on time and it did not crash.")
+        # Then we should have a live prompt:
+        self.expect_string ("exited")
+        index = self.child.expect([pexpect.EOF, pexpect.TIMEOUT])
+        self.assertTrue(index == 0, "lldb didn't close on successful batch completion.")
+
diff --git a/packages/Python/lldbsuite/test/driver/batch_mode/main.c b/packages/Python/lldbsuite/test/driver/batch_mode/main.c
new file mode 100644
index 0000000..418160e
--- /dev/null
+++ b/packages/Python/lldbsuite/test/driver/batch_mode/main.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <string.h>
+
+int 
+main (int argc, char **argv)
+{
+    if (argc >= 2 && strcmp (argv[1], "CRASH") == 0)
+    {
+      char *touch_me_not = (char *) 0;
+      printf ("About to crash.\n");
+      touch_me_not[0] = 'a';
+    }
+    printf ("Got there on time and it did not crash.\n");
+    return 0;
+}