"""
Test lldb data formatter subsystem.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class LibcxxMapDataFormatterTestCase(TestBase):
def setUp(self):
TestBase.setUp(self)
ns = "ndk" if lldbplatformutil.target_is_android() else ""
self.namespace = "std"
def check_pair(self, first_value, second_value):
pair_children = [
ValueCheck(name="first", value=first_value),
ValueCheck(name="second", value=second_value),
]
return ValueCheck(children=pair_children)
@add_test_categories(["libc++"])
def test_with_run_command(self):
"""Test that that file and class static variables display correctly."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
bkpt = self.target().FindBreakpointByID(
lldbutil.run_break_set_by_source_regexp(
self, "Set break point at this line."
)
)
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)
ns = self.namespace
self.expect_expr("ii", result_summary="size=0", result_children=[])
self.expect("frame var ii", substrs=["%s::map" % ns, "size=0", "{}"])
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect_expr(
"ii",
result_summary="size=2",
result_children=[self.check_pair("0", "0"), self.check_pair("1", "1")],
)
self.expect(
"frame variable ii",
substrs=[
"%s::map" % ns,
"size=2",
"[0] = ",
"first = 0",
"second = 0",
"[1] = ",
"first = 1",
"second = 1",
],
)
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect(
"frame variable ii",
substrs=[
"%s::map" % ns,
"size=4",
"[2] = ",
"first = 2",
"second = 0",
"[3] = ",
"first = 3",
"second = 1",
],
)
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect(
"expression ii",
substrs=[
"%s::map" % ns,
"size=8",
"[5] = ",
"first = 5",
"second = 0",
"[7] = ",
"first = 7",
"second = 1",
],
)
self.expect(
"frame var ii",
substrs=[
"%s::map" % ns,
"size=8",
"[5] = ",
"first = 5",
"second = 0",
"[7] = ",
"first = 7",
"second = 1",
],
)
# check access-by-index
self.expect("frame variable ii[0]", substrs=["first = 0", "second = 0"])
self.expect("frame variable ii[3]", substrs=["first =", "second ="])
# (Non-)const key/val iterators
self.expect_expr(
"it",
result_children=[
ValueCheck(name="first", value="0"),
ValueCheck(name="second", value="0"),
],
)
self.expect_expr(
"const_it",
result_children=[
ValueCheck(name="first", value="0"),
ValueCheck(name="second", value="0"),
],
)
# check that MightHaveChildren() gets it right
self.assertTrue(
self.frame().FindVariable("ii").MightHaveChildren(),
"ii.MightHaveChildren() says False for non empty!",
)
# check that the expression parser does not make use of
# synthetic children instead of running code
# TOT clang has a fix for this, which makes the expression command here succeed
# since this would make the test fail or succeed depending on clang version in use
# this is safer commented for the time being
# self.expect("expression ii[8]", matching=False, error=True,
# substrs = ['1234567'])
self.runCmd("continue")
self.expect("frame variable ii", substrs=["%s::map" % ns, "size=0", "{}"])
self.expect("frame variable si", substrs=["%s::map" % ns, "size=0", "{}"])
self.runCmd("continue")
self.expect(
"frame variable si",
substrs=[
"%s::map" % ns,
"size=1",
"[0] = ",
'first = "zero"',
"second = 0",
],
)
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect(
"frame variable si",
substrs=[
"%s::map" % ns,
"size=4",
'[0] = (first = "one", second = 1)',
'[1] = (first = "three", second = 3)',
'[2] = (first = "two", second = 2)',
'[3] = (first = "zero", second = 0)',
],
)
self.expect(
"expression si",
substrs=[
"%s::map" % ns,
"size=4",
'[0] = (first = "one", second = 1)',
'[1] = (first = "three", second = 3)',
'[2] = (first = "two", second = 2)',
'[3] = (first = "zero", second = 0)',
],
)
# check that MightHaveChildren() gets it right
self.assertTrue(
self.frame().FindVariable("si").MightHaveChildren(),
"si.MightHaveChildren() says False for non empty!",
)
# check access-by-index
self.expect("frame variable si[0]", substrs=["first = ", "one", "second = 1"])
# check that the expression parser does not make use of
# synthetic children instead of running code
# TOT clang has a fix for this, which makes the expression command here succeed
# since this would make the test fail or succeed depending on clang version in use
# this is safer commented for the time being
# self.expect("expression si[0]", matching=False, error=True,
# substrs = ['first = ', 'zero'])
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect("frame variable si", substrs=["%s::map" % ns, "size=0", "{}"])
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect("frame variable is", substrs=["%s::map" % ns, "size=0", "{}"])
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect(
"frame variable is",
substrs=[
"%s::map" % ns,
"size=4",
'[0] = (first = 1, second = "is")',
'[1] = (first = 2, second = "smart")',
'[2] = (first = 3, second = "!!!")',
'[3] = (first = 85, second = "goofy")',
],
)
self.expect(
"expression is",
substrs=[
"%s::map" % ns,
"size=4",
'[0] = (first = 1, second = "is")',
'[1] = (first = 2, second = "smart")',
'[2] = (first = 3, second = "!!!")',
'[3] = (first = 85, second = "goofy")',
],
)
# check that MightHaveChildren() gets it right
self.assertTrue(
self.frame().FindVariable("is").MightHaveChildren(),
"is.MightHaveChildren() says False for non empty!",
)
# check access-by-index
self.expect("frame variable is[0]", substrs=["first = ", "second ="])
# check that the expression parser does not make use of
# synthetic children instead of running code
# TOT clang has a fix for this, which makes the expression command here succeed
# since this would make the test fail or succeed depending on clang version in use
# this is safer commented for the time being
# self.expect("expression is[0]", matching=False, error=True,
# substrs = ['first = ', 'goofy'])
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect("frame variable is", substrs=["%s::map" % ns, "size=0", "{}"])
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect("frame variable ss", substrs=["%s::map" % ns, "size=0", "{}"])
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect(
"frame variable ss",
substrs=[
"%s::map" % ns,
"size=3",
'[0] = (first = "casa", second = "house")',
'[1] = (first = "ciao", second = "hello")',
'[2] = (first = "gatto", second = "cat")',
],
)
self.expect(
"expression ss",
substrs=[
"%s::map" % ns,
"size=3",
'[0] = (first = "casa", second = "house")',
'[1] = (first = "ciao", second = "hello")',
'[2] = (first = "gatto", second = "cat")',
],
)
# check that MightHaveChildren() gets it right
self.assertTrue(
self.frame().FindVariable("ss").MightHaveChildren(),
"ss.MightHaveChildren() says False for non empty!",
)
# check access-by-index
self.expect("frame variable ss[2]", substrs=["gatto", "cat"])
# check that the expression parser does not make use of
# synthetic children instead of running code
# TOT clang has a fix for this, which makes the expression command here succeed
# since this would make the test fail or succeed depending on clang version in use
# this is safer commented for the time being
# self.expect("expression ss[3]", matching=False, error=True,
# substrs = ['gatto'])
lldbutil.continue_to_breakpoint(self.process(), bkpt)
self.expect("frame variable ss", substrs=["%s::map" % ns, "size=0", "{}"])
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