Add test cases for setting condition on a watchpoint for both command and API.

llvm-svn: 142291

4 files changed, 136 insertions, 0 deletions

diff --git a/lldb/test/python_api/default-constructor/sb_watchpoint.py b/lldb/test/python_api/default-constructor/sb_watchpoint.py
index 29d58628e57..a028cb48c4c 100644
--- a/lldb/test/python_api/default-constructor/sb_watchpoint.py
+++ b/lldb/test/python_api/default-constructor/sb_watchpoint.py
@@ -18,3 +18,5 @@ def fuzz_obj(obj):
     obj.GetIgnoreCount()
     obj.SetIgnoreCount(5)
     obj.GetDescription(lldb.SBStream(), lldb.eDescriptionLevelVerbose)
+    obj.SetCondition("shouldWeStop()")
+    obj.GetCondition()
diff --git a/lldb/test/python_api/watchpoint/condition/Makefile b/lldb/test/python_api/watchpoint/condition/Makefile
new file mode 100644
index 00000000000..314f1cb2f07
--- /dev/null
+++ b/lldb/test/python_api/watchpoint/condition/Makefile
@@ -0,0 +1,5 @@
+LEVEL = ../../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
diff --git a/lldb/test/python_api/watchpoint/condition/TestWatchpointConditionAPI.py b/lldb/test/python_api/watchpoint/condition/TestWatchpointConditionAPI.py
new file mode 100644
index 00000000000..bfbbc91e616
--- /dev/null
+++ b/lldb/test/python_api/watchpoint/condition/TestWatchpointConditionAPI.py
@@ -0,0 +1,101 @@
+"""
+Test watchpoint condition API.
+"""
+
+import os, time
+import unittest2
+import lldb
+import lldbutil
+from lldbtest import *
+
+class WatchpointConditionAPITestCase(TestBase):
+
+    mydir = os.path.join("python_api", "watchpoint", "condition")
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Our simple source filename.
+        self.source = 'main.cpp'
+        # Find the line number to break inside main().
+        self.line = line_number(self.source, '// Set break point at this line.')
+        # And the watchpoint variable declaration line number.
+        self.decl = line_number(self.source, '// Watchpoint variable declaration.')
+        # Build dictionary to have unique executable names for each test method.
+        self.exe_name = self.testMethodName
+        self.d = {'CXX_SOURCES': self.source, 'EXE': self.exe_name}
+
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    def test_watchpoint_cond_api_with_dsym(self):
+        """Test watchpoint condition API."""
+        self.buildDsym(dictionary=self.d)
+        self.setTearDownCleanup(dictionary=self.d)
+        self.watchpoint_condition_api()
+
+    def test_watchpoint_cond_api_with_dwarf(self):
+        """Test watchpoint condition API."""
+        self.buildDwarf(dictionary=self.d)
+        self.setTearDownCleanup(dictionary=self.d)
+        self.watchpoint_condition_api()
+
+    def watchpoint_condition_api(self):
+        """Do watchpoint condition API to set condition as 'global==5'."""
+        exe = os.path.join(os.getcwd(), self.exe_name)
+
+        # Create a target by the debugger.
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Now create a breakpoint on main.c.
+        breakpoint = target.BreakpointCreateByLocation(self.source, self.line)
+        self.assertTrue(breakpoint and
+                        breakpoint.GetNumLocations() == 1,
+                        VALID_BREAKPOINT)
+
+        # Now launch the process, and do not stop at the entry point.
+        process = target.LaunchSimple(None, None, os.getcwd())
+
+        # We should be stopped due to the breakpoint.  Get frame #0.
+        process = target.GetProcess()
+        self.assertTrue(process.GetState() == lldb.eStateStopped,
+                        PROCESS_STOPPED)
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
+        frame0 = thread.GetFrameAtIndex(0)
+
+        # Watch 'global' for write.
+        value = frame0.FindValue('global', lldb.eValueTypeVariableGlobal)
+        watchpoint = value.Watch(True, False, True)
+        self.assertTrue(value and watchpoint,
+                        "Successfully found the variable and set a watchpoint")
+        self.DebugSBValue(value)
+
+        # Now set the condition as "global==5".
+        watchpoint.SetCondition('global==5')
+        self.expect(watchpoint.GetCondition(), exe=False,
+            startstr = 'global==5')
+
+        # Hide stdout if not running with '-t' option.
+        if not self.TraceOn():
+            self.HideStdout()
+
+        print watchpoint
+
+        # Continue.  Expect the program to stop due to the variable being written to.
+        process.Continue()
+
+        if (self.TraceOn()):
+            lldbutil.print_stacktraces(process)
+
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonWatchpoint)
+        self.assertTrue(thread, "The thread stopped due to watchpoint")
+        self.DebugSBValue(value)
+
+        # Verify that the condition is met.
+        self.assertTrue(value.GetValueAsUnsigned() == 5)
+
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()
diff --git a/lldb/test/python_api/watchpoint/condition/main.cpp b/lldb/test/python_api/watchpoint/condition/main.cpp
new file mode 100644
index 00000000000..f4c3527f8af
--- /dev/null
+++ b/lldb/test/python_api/watchpoint/condition/main.cpp
@@ -0,0 +1,28 @@
+//===-- 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 = 0; // Watchpoint variable declaration.
+
+static void modify(int32_t &var) {
+    ++var;
+}
+
+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 the condition "global == 5".
+    for (int i = 0; i < 10; ++i)
+        modify(global);
+
+    printf("global=%d\n", global);
+}