1 files changed, 68 insertions, 0 deletions
diff --git a/lldb/test/expression_command/call-function/TestCallUserDefinedFunction.py b/lldb/test/expression_command/call-function/TestCallUserDefinedFunction.py
new file mode 100644
index 00000000000..2aa404ee985
--- /dev/null
+++ b/lldb/test/expression_command/call-function/TestCallUserDefinedFunction.py
@@ -0,0 +1,68 @@
+"""
+Test calling user defined functions using expression evaluation.
+
+Note:
+  LLDBs current first choice of evaluating functions is using the IR interpreter,
+  which is only supported on Hexagon. Otherwise JIT is used for the evaluation.
+
+"""
+
+import unittest2
+import lldb
+import lldbutil
+from lldbtest import *
+
+class ExprCommandCallUserDefinedFunction(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break for main.c.
+        self.line = line_number('main.cpp',
+                                '// Please test these expressions while stopped at this line:')
+    @skipUnlessDarwin
+    @dsym_test
+    @expectedFailureDarwin("llvm.org/pr20274") # intermittent failure on MacOSX
+    def test_with_dsym(self):
+        """Test return values of user defined function calls."""
+        self.buildDsym()
+        self.call_function()
+
+    @dwarf_test
+    @expectedFailureFreeBSD("llvm.org/pr20274") # intermittent failure
+    def test_with_dwarf(self):
+        """Test return values of user defined function calls."""
+        self.buildDwarf()
+        self.call_functions()
+
+    def call_functions(self):
+        """Test return values of user defined function calls."""
+
+        # Set breakpoint in main and run exe
+        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)
+
+        # Test recursive function call.
+        self.expect("expr fib(5)", substrs = ['$0 = 5'])
+
+        # Test function with more than one paramter
+        self.expect("expr add(4,8)", substrs = ['$1 = 12'])
+
+        # Test nesting function calls in function paramters
+        self.expect("expr add(add(5,2),add(3,4))", substrs = ['$2 = 14'])
+        self.expect("expr add(add(5,2),fib(5))", substrs = ['$3 = 12'])
+
+        # Test function with pointer paramter
+        self.expect("exp stringCompare((const char*) \"Hello world\")", substrs = ['$4 = true'])
+        self.expect("exp stringCompare((const char*) \"Hellworld\")", substrs = ['$5 = false'])
+
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()