TestMacros.py
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import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestMacros(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(
compiler="clang",
bugnumber="clang does not emit .debug_macro[.dwo] sections.")
@expectedFailureAll(
debug_info="dwo",
bugnumber="GCC produces multiple .debug_macro.dwo sections and the spec is unclear as to what it means")
@expectedFailureAll(
hostoslist=["windows"],
compiler="gcc",
triple='.*-android')
@expectedFailureAll(
compiler="gcc", compiler_version=['<', '5.1'],
bugnumber=".debug_macro was introduced in DWARF 5, GCC supports it since version 5.1")
def test_expr_with_macros(self):
self.build()
# Get main source file
src_file = "main.cpp"
hdr_file = "macro1.h"
src_file_spec = lldb.SBFileSpec(src_file)
self.assertTrue(src_file_spec.IsValid(), "Main source file")
(target, process, thread, bp1) = lldbutil.run_to_source_breakpoint(
self, "Break here", src_file_spec)
# Get frame for current thread
frame = thread.GetSelectedFrame()
result = frame.EvaluateExpression("MACRO_1")
self.assertTrue(
result.IsValid() and result.GetValue() == "100",
"MACRO_1 = 100")
result = frame.EvaluateExpression("MACRO_2")
self.assertTrue(
result.IsValid() and result.GetValue() == "200",
"MACRO_2 = 200")
result = frame.EvaluateExpression("ONE")
self.assertTrue(
result.IsValid() and result.GetValue() == "1",
"ONE = 1")
result = frame.EvaluateExpression("TWO")
self.assertTrue(
result.IsValid() and result.GetValue() == "2",
"TWO = 2")
result = frame.EvaluateExpression("THREE")
self.assertTrue(
result.IsValid() and result.GetValue() == "3",
"THREE = 3")
result = frame.EvaluateExpression("FOUR")
self.assertTrue(
result.IsValid() and result.GetValue() == "4",
"FOUR = 4")
result = frame.EvaluateExpression("HUNDRED")
self.assertTrue(
result.IsValid() and result.GetValue() == "100",
"HUNDRED = 100")
result = frame.EvaluateExpression("THOUSAND")
self.assertTrue(
result.IsValid() and result.GetValue() == "1000",
"THOUSAND = 1000")
result = frame.EvaluateExpression("MILLION")
self.assertTrue(result.IsValid() and result.GetValue()
== "1000000", "MILLION = 1000000")
result = frame.EvaluateExpression("MAX(ONE, TWO)")
self.assertTrue(
result.IsValid() and result.GetValue() == "2",
"MAX(ONE, TWO) = 2")
result = frame.EvaluateExpression("MAX(THREE, TWO)")
self.assertTrue(
result.IsValid() and result.GetValue() == "3",
"MAX(THREE, TWO) = 3")
# Get the thread of the process
thread.StepOver()
# Get frame for current thread
frame = thread.GetSelectedFrame()
result = frame.EvaluateExpression("MACRO_2")
self.assertTrue(
result.GetError().Fail(),
"Printing MACRO_2 fails in the mail file")
result = frame.EvaluateExpression("FOUR")
self.assertTrue(
result.GetError().Fail(),
"Printing FOUR fails in the main file")
thread.StepInto()
# Get frame for current thread
frame = thread.GetSelectedFrame()
result = frame.EvaluateExpression("ONE")
self.assertTrue(
result.IsValid() and result.GetValue() == "1",
"ONE = 1")
result = frame.EvaluateExpression("MAX(ONE, TWO)")
self.assertTrue(
result.IsValid() and result.GetValue() == "2",
"MAX(ONE, TWO) = 2")
# This time, MACRO_1 and MACRO_2 are not visible.
result = frame.EvaluateExpression("MACRO_1")
self.assertTrue(result.GetError().Fail(),
"Printing MACRO_1 fails in the header file")
result = frame.EvaluateExpression("MACRO_2")
self.assertTrue(result.GetError().Fail(),
"Printing MACRO_2 fails in the header file")