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"""
Test lldb data formatter subsystem.
"""
from __future__ import print_function
import os
import time
import re
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class LibcxxListDataFormatterTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number('main.cpp', '// Set break point at this line.')
self.line2 = line_number('main.cpp',
'// Set second break point at this line.')
self.line3 = line_number('main.cpp',
'// Set third break point at this line.')
self.line4 = line_number('main.cpp',
'// Set fourth break point at this line.')
@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 a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=-1)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line2, num_expected_locations=-1)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line3, num_expected_locations=-1)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line4, num_expected_locations=-1)
self.runCmd("run", RUN_SUCCEEDED)
lldbutil.skip_if_library_missing(
self, self.target(), lldbutil.PrintableRegex("libc\+\+"))
# 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 summary add std::int_list std::string_list int_list string_list --summary-string \"list has ${svar%#} items\" -e")
self.runCmd("type format add -f hex int")
self.expect("frame variable numbers_list --raw", matching=False,
substrs=['list has 0 items',
'{}'])
self.expect("frame variable numbers_list",
substrs=['list has 0 items',
'{}'])
self.expect("p numbers_list",
substrs=['list has 0 items',
'{}'])
self.runCmd("n")
self.expect("frame variable numbers_list",
substrs=['list has 1 items',
'[0] = ',
'0x12345678'])
self.runCmd("n")
self.runCmd("n")
self.runCmd("n")
self.expect("frame variable numbers_list",
substrs=['list has 4 items',
'[0] = ',
'0x12345678',
'[1] =',
'0x11223344',
'[2] =',
'0xbeeffeed',
'[3] =',
'0x00abba00'])
self.runCmd("n")
self.runCmd("n")
self.expect("frame variable numbers_list",
substrs=['list has 6 items',
'[0] = ',
'0x12345678',
'0x11223344',
'0xbeeffeed',
'0x00abba00',
'[4] =',
'0x0abcdef0',
'[5] =',
'0x0cab0cab'])
self.expect("p numbers_list",
substrs=['list has 6 items',
'[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'])
self.runCmd("n")
self.expect("frame variable numbers_list",
substrs=['list has 0 items',
'{}'])
self.runCmd("n")
self.runCmd("n")
self.runCmd("n")
self.runCmd("n")
self.expect("frame variable numbers_list",
substrs=['list has 4 items',
'[0] = ', '1',
'[1] = ', '2',
'[2] = ', '3',
'[3] = ', '4'])
# check that MightHaveChildren() gets it right
self.assertTrue(
self.frame().FindVariable("numbers_list").MightHaveChildren(),
"numbers_list.MightHaveChildren() says False for non empty!")
self.runCmd("type format delete int")
self.runCmd("c")
self.expect("frame variable text_list",
substrs=['list has 3 items',
'[0]', 'goofy',
'[1]', 'is',
'[2]', 'smart'])
# check that MightHaveChildren() gets it right
self.assertTrue(
self.frame().FindVariable("text_list").MightHaveChildren(),
"text_list.MightHaveChildren() says False for non empty!")
self.expect("p text_list",
substrs=['list has 3 items',
'\"goofy\"',
'\"is\"',
'\"smart\"'])
self.runCmd("n")
# check access-by-index
self.expect("frame variable text_list[0]",
substrs=['goofy'])
self.expect("frame variable text_list[3]",
substrs=['!!!'])
self.runCmd("continue")
# check that the list provider correctly updates if elements move
countingList = self.frame().FindVariable("countingList")
countingList.SetPreferDynamicValue(True)
countingList.SetPreferSyntheticValue(True)
self.assertTrue(countingList.GetChildAtIndex(
0).GetValueAsUnsigned(0) == 3141, "list[0] == 3141")
self.assertTrue(countingList.GetChildAtIndex(
1).GetValueAsUnsigned(0) == 3141, "list[1] == 3141")
self.runCmd("continue")
self.assertTrue(
countingList.GetChildAtIndex(0).GetValueAsUnsigned(0) == 3141,
"uniqued list[0] == 3141")
self.assertTrue(
countingList.GetChildAtIndex(1).GetValueAsUnsigned(0) == 3142,
"uniqued list[1] == 3142")
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