[Lldb-commits] [lldb] r219979 - Add a test for the -b (batch mode) option to the lldb driver.
Jim Ingham
jingham at apple.com
Thu Oct 16 16:02:14 PDT 2014
Author: jingham
Date: Thu Oct 16 18:02:14 2014
New Revision: 219979
URL: http://llvm.org/viewvc/llvm-project?rev=219979&view=rev
Log:
Add a test for the -b (batch mode) option to the lldb driver.
Added:
lldb/trunk/test/driver/
lldb/trunk/test/driver/batch_mode/
lldb/trunk/test/driver/batch_mode/Makefile
lldb/trunk/test/driver/batch_mode/TestBatchMode.py
lldb/trunk/test/driver/batch_mode/main.c
Modified:
lldb/trunk/test/lldbtest.py
Added: lldb/trunk/test/driver/batch_mode/Makefile
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/driver/batch_mode/Makefile?rev=219979&view=auto
==============================================================================
--- lldb/trunk/test/driver/batch_mode/Makefile (added)
+++ lldb/trunk/test/driver/batch_mode/Makefile Thu Oct 16 18:02:14 2014
@@ -0,0 +1,28 @@
+CC ?= clang
+ifeq "$(ARCH)" ""
+ ARCH = x86_64
+endif
+
+ifeq "$(OS)" ""
+ OS = $(shell uname -s)
+endif
+
+CFLAGS ?= -g -O0
+CWD := $(shell pwd)
+
+LIB_PREFIX := lib
+
+ifeq "$(OS)" "Darwin"
+ CFLAGS += -arch $(ARCH)
+endif
+
+all: a.out
+
+a.out: main.o
+ $(CC) $(CFLAGS) -o a.out main.o
+
+main.o: main.c
+ $(CC) $(CFLAGS) -c main.c
+
+clean:
+ rm -rf $(wildcard *.o *~ *.dylib *.so a.out *.dSYM)
Added: lldb/trunk/test/driver/batch_mode/TestBatchMode.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/driver/batch_mode/TestBatchMode.py?rev=219979&view=auto
==============================================================================
--- lldb/trunk/test/driver/batch_mode/TestBatchMode.py (added)
+++ lldb/trunk/test/driver/batch_mode/TestBatchMode.py Thu Oct 16 18:02:14 2014
@@ -0,0 +1,99 @@
+"""
+Test that the lldb driver's batch mode works correctly.
+"""
+
+import os, time
+import unittest2
+import lldb
+import pexpect
+from lldbtest import *
+
+class DriverBatchModeTest (TestBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+ @unittest2.expectedFailure("<rdar://problem/18684124>, lldb doesn't reliably print the prompt when run under pexpect")
+ @dsym_test
+ def test_driver_batch_mode_with_dsym(self):
+ """Test that the lldb driver's batch mode works correctly."""
+ self.buildDsym()
+ self.setTearDownCleanup()
+ self.batch_mode ()
+
+ @unittest2.expectedFailure("<rdar://problem/18684124>, lldb doesn't reliably print the prompt when run under pexpect")
+ @dwarf_test
+ def test_driver_batch_mode_with_dwarf(self):
+ """Test that the lldb driver's batch mode works correctly."""
+ self.buildDwarf()
+ 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):
+ """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):
+ 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" '
+ self.child = pexpect.spawn('%s %s %s %s -- CRASH' % (self.lldbHere, 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")
+ # 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' % (self.lldbHere, 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.")
+
+
+
+
+
+
+
+
+
Added: lldb/trunk/test/driver/batch_mode/main.c
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/driver/batch_mode/main.c?rev=219979&view=auto
==============================================================================
--- lldb/trunk/test/driver/batch_mode/main.c (added)
+++ lldb/trunk/test/driver/batch_mode/main.c Thu Oct 16 18:02:14 2014
@@ -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;
+}
Modified: lldb/trunk/test/lldbtest.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/lldbtest.py?rev=219979&r1=219978&r2=219979&view=diff
==============================================================================
--- lldb/trunk/test/lldbtest.py (original)
+++ lldb/trunk/test/lldbtest.py Thu Oct 16 18:02:14 2014
@@ -997,11 +997,7 @@ class Base(unittest2.TestCase):
print >> sbuf, "Adding tearDown hook:", getsource_if_available(hook)
self.hooks.append(hook)
- def tearDown(self):
- """Fixture for unittest test case teardown."""
- #import traceback
- #traceback.print_stack()
-
+ def deletePexpectChild(self):
# This is for the case of directly spawning 'lldb' and interacting with it
# using pexpect.
if self.child and self.child.isalive():
@@ -1022,6 +1018,14 @@ class Base(unittest2.TestCase):
# Give it one final blow to make sure the child is terminated.
self.child.close()
+
+ def tearDown(self):
+ """Fixture for unittest test case teardown."""
+ #import traceback
+ #traceback.print_stack()
+
+ self.deletePexpectChild()
+
# Check and run any hook functions.
for hook in reversed(self.hooks):
with recording(self, traceAlways) as sbuf:
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