lldb/test/API/commands/expression/call-function/TestCallUserDefinedFunction.py

   1 """
   2 Test calling user defined functions using expression evaluation.
   3
   4 Note:
   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
  10 import lldb
  11 from lldbsuite.test.decorators import *
  12 from lldbsuite.test.lldbtest import *
  13 from lldbsuite.test import lldbutil
  14
  15
  16 class ExprCommandCallUserDefinedFunction(TestBase):
  17     def test(self):
  18         """Test return values of user defined function calls."""
  19         self.build()
  20         lldbutil.run_to_source_breakpoint(
  21             self, "// break here", lldb.SBFileSpec("main.cpp")
  22         )
  23
  24         # Test recursive function call.
  25         self.expect_expr("fib(5)", result_type="unsigned int", result_value="5")
  26
  27         # Test function with more than one parameter
  28         self.expect_expr("add(4, 8)", result_type="int", result_value="12")
  29
  30         # Test nesting function calls in function parameters
  31         self.expect_expr("add(add(5,2),add(3,4))", result_type="int", result_value="14")
  32         self.expect_expr("add(add(5,2),fib(5))", result_type="int", result_value="12")
  33
  34         # Test function with pointer parameter
  35         self.expect_expr(
  36             'stringCompare((const char*) "Hello world")',
  37             result_type="bool",
  38             result_value="true",
  39         )
  40         self.expect_expr(
  41             'stringCompare((const char*) "Hellworld")',
  42             result_type="bool",
  43             result_value="false",
  44         )