[Lldb-commits] [lldb] r139847 - in /lldb/trunk/test: functionalities/watchpoint/ functionalities/watchpoint/hello_watchpoint/ functionalities/watchpoint/hello_watchpoint/Makefile functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py functionalities/watchpoint/hello_watchpoint/main.c lldbtest.py
Johnny Chen
johnny.chen at apple.com
Thu Sep 15 14:09:59 PDT 2011
Author: johnny
Date: Thu Sep 15 16:09:59 2011
New Revision: 139847
URL: http://llvm.org/viewvc/llvm-project?rev=139847&view=rev
Log:
Add a simple watchpoint test to exercise watchpoint creation followed by watchpoint hit events.
Added:
lldb/trunk/test/functionalities/watchpoint/
lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/
lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/Makefile
lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py
lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/main.c
Modified:
lldb/trunk/test/lldbtest.py
Added: lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/Makefile
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/Makefile?rev=139847&view=auto
==============================================================================
--- lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/Makefile (added)
+++ lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/Makefile Thu Sep 15 16:09:59 2011
@@ -0,0 +1,5 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+
+include $(LEVEL)/Makefile.rules
Added: lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py?rev=139847&view=auto
==============================================================================
--- lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py (added)
+++ lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/TestMyFirstWatchpoint.py Thu Sep 15 16:09:59 2011
@@ -0,0 +1,81 @@
+"""
+Test my first lldb watchpoint.
+"""
+
+import os, time
+import unittest2
+import lldb
+from lldbtest import *
+
+class HelloWatchpointTestCase(TestBase):
+
+ mydir = os.path.join("functionalities", "watchpoint", "hello_watchpoint")
+
+ @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+ def test_hello_watchpoint_with_dsym(self):
+ """Test a simple sequence of watchpoint creation and watchpoint hit."""
+ self.buildDsym(dictionary=self.d)
+ self.setTearDownCleanup(dictionary=self.d)
+ self.hello_watchpoint()
+
+ def test_hello_watchpoint_with_dwarf(self):
+ """Test a simple sequence of watchpoint creation and watchpoint hit."""
+ self.buildDwarf(dictionary=self.d)
+ self.setTearDownCleanup(dictionary=self.d)
+ self.hello_watchpoint()
+
+ def setUp(self):
+ # Call super's setUp().
+ TestBase.setUp(self)
+ # Our simple source filename.
+ self.source = 'main.c'
+ # Find the line number to break inside main().
+ self.line = line_number(self.source, '// Set break point at this line.')
+ # Build dictionary to have unique executable names for each test method.
+ self.exe_name = self.testMethodName
+ self.d = {'C_SOURCES': self.source, 'EXE': self.exe_name}
+
+ def hello_watchpoint(self):
+ """Test a simple sequence of watchpoint creation and watchpoint hit."""
+ exe = os.path.join(os.getcwd(), self.exe_name)
+ self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+ # Add a breakpoint to set a watchpoint when stopped on the breakpoint.
+ self.expect("breakpoint set -l %d" % self.line, BREAKPOINT_CREATED,
+ startstr = "Breakpoint created: 1: file ='%s', line = %d, locations = 1" %
+ (self.source, self.line))
+
+ # Run the program.
+ self.runCmd("run", RUN_SUCCEEDED)
+
+ # We should be stopped again due to the breakpoint.
+ # The stop reason of the thread should be breakpoint.
+ self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+ substrs = ['stopped',
+ 'stop reason = breakpoint'])
+
+ # Now let's set a write-type watchpoint for 'global'.
+ # There should be only one watchpoint hit (see main.c).
+ self.expect("frame variable -w write -g -L global", WATCHPOINT_CREATED,
+ substrs = ['Watchpoint created', 'size = 4', 'type = w'])
+
+ self.runCmd("process continue")
+
+ # We should be stopped again due to the watchpoint (write type), but
+ # only once. The stop reason of the thread should be watchpoint.
+ self.expect("thread list", STOPPED_DUE_TO_WATCHPOINT,
+ substrs = ['stopped',
+ 'stop reason = watchpoint'])
+
+ self.runCmd("process continue")
+ # Don't expect the read of 'global' to trigger a stop exception.
+ # The process status should be 'exited'.
+ self.expect("process status",
+ substrs = ['exited'])
+
+
+if __name__ == '__main__':
+ import atexit
+ lldb.SBDebugger.Initialize()
+ atexit.register(lambda: lldb.SBDebugger.Terminate())
+ unittest2.main()
Added: lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/main.c
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/main.c?rev=139847&view=auto
==============================================================================
--- lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/main.c (added)
+++ lldb/trunk/test/functionalities/watchpoint/hello_watchpoint/main.c Thu Sep 15 16:09:59 2011
@@ -0,0 +1,24 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#include <stdio.h>
+#include <stdint.h>
+
+int32_t global = 10;
+
+int main(int argc, char** argv) {
+ int local = 0;
+ printf("&global=%p\n", &global);
+ printf("about to write to 'global'...\n"); // Set break point at this line.
+ // When stopped, watch 'global' for write.
+ global = 20;
+ local += argc;
+ ++local;
+ printf("local: %d\n", local);
+ printf("global=%d\n", global);
+}
Modified: lldb/trunk/test/lldbtest.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/lldbtest.py?rev=139847&r1=139846&r2=139847&view=diff
==============================================================================
--- lldb/trunk/test/lldbtest.py (original)
+++ lldb/trunk/test/lldbtest.py Thu Sep 15 16:09:59 2011
@@ -176,6 +176,8 @@
STOPPED_DUE_TO_STEP_IN = "Process state is stopped due to step in"
+STOPPED_DUE_TO_WATCHPOINT = "Process should be stopped due to watchpoint"
+
DATA_TYPES_DISPLAYED_CORRECTLY = "Data type(s) displayed correctly"
VALID_BREAKPOINT = "Got a valid breakpoint"
@@ -198,6 +200,7 @@
VARIABLES_DISPLAYED_CORRECTLY = "Variable(s) displayed correctly"
+WATCHPOINT_CREATED = "Watchpoint created successfully"
def CMD_MSG(str):
'''A generic "Command '%s' returns successfully" message generator.'''
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