3 files changed, 76 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/python_api/rdar-12481949/Makefile b/packages/Python/lldbsuite/test/python_api/rdar-12481949/Makefile
new file mode 100644
index 0000000000000..8a7102e347af2
--- /dev/null
+++ b/packages/Python/lldbsuite/test/python_api/rdar-12481949/Makefile
@@ -0,0 +1,5 @@
+LEVEL = ../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
diff --git a/packages/Python/lldbsuite/test/python_api/rdar-12481949/Test-rdar-12481949.py b/packages/Python/lldbsuite/test/python_api/rdar-12481949/Test-rdar-12481949.py
new file mode 100644
index 0000000000000..f56fd96e46650
--- /dev/null
+++ b/packages/Python/lldbsuite/test/python_api/rdar-12481949/Test-rdar-12481949.py
@@ -0,0 +1,54 @@
+"""
+Check that SBValue.GetValueAsSigned() does the right thing for a 32-bit -1.
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+class Radar12481949DataFormatterTestCase(TestBase):
+
+    # test for rdar://problem/12481949
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break at.
+        self.line = line_number('main.cpp', '// Set break point at this line.')
+
+    def test_with_run_command(self):
+        """Check that SBValue.GetValueAsSigned() does the right thing for a 32-bit -1."""
+        self.build()
+        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
+
+        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ['stopped',
+                       'stop reason = breakpoint'])
+
+        # This is the function to remove the custom formats in order to have a
+        # clean slate for the next test case.
+        def cleanup():
+            self.runCmd('type format delete hex', check=False)
+            self.runCmd('type summary clear', check=False)
+
+        # Execute the cleanup function during test case tear down.
+        self.addTearDownHook(cleanup)
+
+        self.assertTrue(self.frame().FindVariable("myvar").GetValueAsSigned() == -1, "GetValueAsSigned() says -1")
+        self.assertTrue(self.frame().FindVariable("myvar").GetValueAsSigned() != 0xFFFFFFFF, "GetValueAsSigned() does not say 0xFFFFFFFF")
+        self.assertTrue(self.frame().FindVariable("myvar").GetValueAsSigned() != 0xFFFFFFFFFFFFFFFF, "GetValueAsSigned() does not say 0xFFFFFFFFFFFFFFFF")
+
+        self.assertTrue(self.frame().FindVariable("myvar").GetValueAsUnsigned() != -1, "GetValueAsUnsigned() does not say -1")
+        self.assertTrue(self.frame().FindVariable("myvar").GetValueAsUnsigned() == 0xFFFFFFFF, "GetValueAsUnsigned() says 0xFFFFFFFF")
+        self.assertTrue(self.frame().FindVariable("myvar").GetValueAsUnsigned() != 0xFFFFFFFFFFFFFFFF, "GetValueAsUnsigned() does not says 0xFFFFFFFFFFFFFFFF")
diff --git a/packages/Python/lldbsuite/test/python_api/rdar-12481949/main.cpp b/packages/Python/lldbsuite/test/python_api/rdar-12481949/main.cpp
new file mode 100644
index 0000000000000..e8ebf36f61901
--- /dev/null
+++ b/packages/Python/lldbsuite/test/python_api/rdar-12481949/main.cpp
@@ -0,0 +1,17 @@
+//===-- 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 <stdio.h>
+#include <stdint.h>
+int main ()
+{
+  int32_t myvar = -1;
+  printf ("%d\n", myvar); // Set break point at this line.
+  return myvar+1;
+}