xref: /llvm-project/lldb/test/API/commands/expression/call-function/TestCallUserDefinedFunction.py (revision 4cc8f2a017c76af25234afc7c380550e9c93135c)
1"""
2Test calling user defined functions using expression evaluation.
3
4Note:
5  LLDBs current first choice of evaluating functions is using the IR interpreter,
6  which is only supported on Hexagon. Otherwise JIT is used for the evaluation.
7
8"""
9
10import lldb
11from lldbsuite.test.decorators import *
12from lldbsuite.test.lldbtest import *
13from lldbsuite.test import lldbutil
14
15class ExprCommandCallUserDefinedFunction(TestBase):
16
17    def test(self):
18        """Test return values of user defined function calls."""
19        self.build()
20        lldbutil.run_to_source_breakpoint(self, "// break here", lldb.SBFileSpec("main.cpp"))
21
22        # Test recursive function call.
23        self.expect_expr("fib(5)", result_type="unsigned int", result_value="5")
24
25        # Test function with more than one parameter
26        self.expect_expr("add(4, 8)", result_type="int", result_value="12")
27
28        # Test nesting function calls in function parameters
29        self.expect_expr("add(add(5,2),add(3,4))", result_type="int", result_value="14")
30        self.expect_expr("add(add(5,2),fib(5))", result_type="int", result_value="12")
31
32        # Test function with pointer parameter
33        self.expect_expr('stringCompare((const char*) \"Hello world\")', result_type="bool", result_value="true")
34        self.expect_expr('stringCompare((const char*) \"Hellworld\")', result_type="bool", result_value="false")
35