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"""
Test stepping into std::function
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class LibCxxFunctionSteppingIntoCallableTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
@add_test_categories(["libc++"])
def test(self):
"""Test that std::function as defined by libc++ is correctly printed by LLDB"""
self.build()
self.main_source = "main.cpp"
self.main_source_spec = lldb.SBFileSpec(self.main_source)
self.source_foo_line = line_number(self.main_source, "// Source foo start line")
self.source_lambda_f2_line = line_number(
self.main_source, "// Source lambda used by f2 start line"
)
self.source_lambda_f3_line = line_number(
self.main_source, "// Source lambda used by f3 start line"
)
self.source_bar_operator_line = line_number(
self.main_source, "// Source Bar::operator()() start line"
)
self.source_bar_add_num_line = line_number(
self.main_source, "// Source Bar::add_num start line"
)
self.source_main_invoking_f1 = line_number(
self.main_source, "// Source main invoking f1"
)
(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
self, "// Set break point at this line.", self.main_source_spec
)
thread.StepInto()
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetLine(),
self.source_main_invoking_f1,
)
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(),
self.main_source,
)
thread.StepInto()
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_foo_line
)
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(),
self.main_source,
)
process.Continue()
thread.StepInto()
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetLine(),
self.source_lambda_f2_line,
)
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(),
self.main_source,
)
process.Continue()
thread.StepInto()
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetLine(),
self.source_lambda_f3_line,
)
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(),
self.main_source,
)
process.Continue()
# TODO reenable this case when std::function formatter supports
# general callable object case.
# thread.StepInto()
# self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.source_bar_operator_line ) ;
# self.assertEqual( thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(), self.main_source) ;
# process.Continue()
thread.StepInto()
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetLine(),
self.source_bar_add_num_line,
)
self.assertEqual(
thread.GetFrameAtIndex(0).GetLineEntry().GetFileSpec().GetFilename(),
self.main_source,
)
process.Continue()
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