"""
Test lldb data formatter subsystem.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
USE_LIBSTDCPP = "USE_LIBSTDCPP"
USE_LIBCPP = "USE_LIBCPP"
class GenericListDataFormatterTestCase(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers to break at for the different tests.
self.line = line_number("main.cpp", "// Set break point at this line.")
self.optional_line = line_number(
"main.cpp", "// Optional break point at this line."
)
self.final_line = line_number(
"main.cpp", "// Set final break point at this line."
)
def do_test_with_run_command(self, stdlib_type):
"""Test that that file and class static variables display correctly."""
self.build(dictionary={stdlib_type: "1"})
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=-1
)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# This is the function to remove the custom formats in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd("type format clear", check=False)
self.runCmd("type summary clear", check=False)
self.runCmd("type filter clear", check=False)
self.runCmd("type synth clear", check=False)
self.runCmd("settings set target.max-children-count 256", check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.runCmd("frame variable numbers_list --show-types")
self.runCmd("type format add -f hex int")
self.expect(
"frame variable numbers_list --raw",
matching=False,
substrs=["size=0", "{}"],
)
if stdlib_type == USE_LIBSTDCPP:
self.expect(
"frame variable &numbers_list._M_impl._M_node --raw",
matching=False,
substrs=["size=0", "{}"],
)
self.expect("frame variable numbers_list", substrs=["size=0", "{}"])
self.expect("expression numbers_list", substrs=["size=0", "{}"])
self.runCmd("n")
self.expect(
"frame variable numbers_list", substrs=["size=1", "[0] = ", "0x12345678"]
)
self.runCmd("n")
self.runCmd("n")
self.runCmd("n")
self.expect(
"frame variable numbers_list",
substrs=[
"size=4",
"[0] = ",
"0x12345678",
"[1] =",
"0x11223344",
"[2] =",
"0xbeeffeed",
"[3] =",
"0x00abba00",
],
)
self.runCmd("n")
self.runCmd("n")
self.expect(
"frame variable numbers_list",
substrs=[
"size=6",
"[0] = ",
"0x12345678",
"0x11223344",
"0xbeeffeed",
"0x00abba00",
"[4] =",
"0x0abcdef0",
"[5] =",
"0x0cab0cab",
],
)
self.expect(
"expression numbers_list",
substrs=[
"size=6",
"[0] = ",
"0x12345678",
"0x11223344",
"0xbeeffeed",
"0x00abba00",
"[4] =",
"0x0abcdef0",
"[5] =",
"0x0cab0cab",
],
)
# check access-by-index
self.expect("frame variable numbers_list[0]", substrs=["0x12345678"])
self.expect("frame variable numbers_list[1]", substrs=["0x11223344"])
# but check that expression does not rely on us
self.expect(
"expression numbers_list[0]",
matching=False,
error=True,
substrs=["0x12345678"],
)
# check that MightHaveChildren() gets it right
self.assertTrue(
self.frame().FindVariable("numbers_list").MightHaveChildren(),
"numbers_list.MightHaveChildren() says False for non empty!",
)
self.runCmd("n")
self.expect("frame variable numbers_list", substrs=["size=0", "{}"])
self.runCmd("n")
self.runCmd("n")
self.runCmd("n")
self.runCmd("n")
self.expect(
"frame variable numbers_list",
substrs=[
"size=4",
"[0] = ",
"1",
"[1] = ",
"2",
"[2] = ",
"3",
"[3] = ",
"4",
],
)
self.runCmd("type format delete int")
lldbutil.run_break_set_by_file_and_line(self, "main.cpp", self.optional_line)
self.runCmd("continue")
self.expect("frame variable text_list", substrs=["size=0", "{}"])
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.final_line, num_expected_locations=-1
)
self.runCmd("c", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
self.expect(
"frame variable text_list",
substrs=[
"size=4",
"[0]",
"goofy",
"[1]",
"is",
"[2]",
"smart",
"[3]",
"!!!",
],
)
self.expect(
"expression text_list",
substrs=["size=4", '"goofy"', '"is"', '"smart"', '"!!!"'],
)
# check access-by-index
self.expect("frame variable text_list[0]", substrs=["goofy"])
self.expect("frame variable text_list[3]", substrs=["!!!"])
# but check that expression does not rely on us
self.expect(
"expression text_list[0]", matching=False, error=True, substrs=["goofy"]
)
# check that MightHaveChildren() gets it right
self.assertTrue(
self.frame().FindVariable("text_list").MightHaveChildren(),
"text_list.MightHaveChildren() says False for non empty!",
)
def do_test_ptr_and_ref(self, stdlib_type):
"""Test that ref and ptr to std::list is displayed correctly"""
self.build(dictionary={stdlib_type: "1"})
(_, process, _, bkpt) = lldbutil.run_to_source_breakpoint(
self, "Check ref and ptr", lldb.SBFileSpec("main.cpp", False)
)
self.expect(
"frame variable ref",
substrs=[
"size=4",
"[0] = ",
"1",
"[1] = ",
"2",
"[2] = ",
"3",
"[3] = ",
"4",
],
)
self.expect(
"frame variable *ptr",
substrs=[
"size=4",
"[0] = ",
"1",
"[1] = ",
"2",
"[2] = ",
"3",
"[3] = ",
"4",
],
)
lldbutil.continue_to_breakpoint(process, bkpt)
self.expect(
"frame variable ref",
substrs=[
"size=4",
"[0]",
"goofy",
"[1]",
"is",
"[2]",
"smart",
"[3]",
"!!!",
],
)
self.expect(
"frame variable *ptr",
substrs=[
"size=4",
"[0]",
"goofy",
"[1]",
"is",
"[2]",
"smart",
"[3]",
"!!!",
],
)
@add_test_categories(["libstdcxx"])
def test_with_run_command_libstdcpp(self):
self.do_test_with_run_command(USE_LIBSTDCPP)
@add_test_categories(["libstdcxx"])
def test_ptr_and_ref_libstdcpp(self):
self.do_test_ptr_and_ref(USE_LIBSTDCPP)
@add_test_categories(["libc++"])
def test_with_run_command_libcpp(self):
self.do_test_with_run_command(USE_LIBCPP)
@add_test_categories(["libc++"])
def test_ptr_and_ref_libcpp(self):
self.do_test_ptr_and_ref(USE_LIBCPP)
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