1 files changed, 45 insertions, 0 deletions
diff --git a/lldb/test/expression_command/persistent_variables/TestPersistentVariables.py b/lldb/test/expression_command/persistent_variables/TestPersistentVariables.py
new file mode 100644
index 00000000000..b1ff042f2d2
--- /dev/null
+++ b/lldb/test/expression_command/persistent_variables/TestPersistentVariables.py
@@ -0,0 +1,45 @@
+"""
+Test that lldb persistent variables works correctly.
+"""
+
+import os, time
+import unittest2
+import lldb
+from lldbtest import *
+
+class PersistentVariablesTestCase(TestBase):
+
+    mydir = os.path.join("expression_command", "persistent_variables")
+
+    def test_persistent_variables(self):
+        """Test that lldb persistent variables works correctly."""
+        self.buildDefault()
+
+        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
+
+        self.runCmd("breakpoint set --name main")
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        self.expect("expression int $i = 5; $i + 1",
+            startstr = "(int) $0 = 6")
+        # (int) $0 = 6
+
+        self.expect("expression $i + 3",
+            startstr = "(int) $1 = 8")
+        # (int) $1 = 8
+
+        self.expect("expression $1 + $0",
+            startstr = "(int) $2 = 14")
+        # (int) $2 = 14
+
+        self.expect("expression $2",
+            startstr = "(int) $3 = 14")
+        # (int) $3 =  14
+
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()