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"""
Test lldb data formatter subsystem.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class StdVectorDataFormatterTestCase(TestBase):
mydir = os.path.join("functionalities", "data-formatter", "data-formatter-stl", "libstdcpp", "vector")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@dsym_test
def test_with_dsym_and_run_command(self):
"""Test data formatter commands."""
self.buildDsym()
self.data_formatter_commands()
@dwarf_test
@expectedFailureClang # llvm.org/pr15301 LLDB prints incorrect sizes of STL containers
@expectedFailureIcc # llvm.org/pr15301 LLDB prints incorrect sizes of STL containers
def test_with_dwarf_and_run_command(self):
"""Test data formatter commands."""
if "gcc" in self.getCompiler() and "4.8" in self.getCompilerVersion():
self.skipTest("llvm.org/pr15301 LLDB prints incorrect sizes of STL containers")
self.buildDwarf()
self.data_formatter_commands()
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.')
def data_formatter_commands(self):
"""Test that that file and class static variables display correctly."""
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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)
# empty vectors (and storage pointers SHOULD BOTH BE NULL..)
self.expect("frame variable numbers",
substrs = ['numbers = size=0'])
self.runCmd("c")
# first value added
self.expect("frame variable numbers",
substrs = ['numbers = size=1',
'[0] = 1',
'}'])
# add some more data
self.runCmd("c");
self.expect("frame variable numbers",
substrs = ['numbers = size=4',
'[0] = 1',
'[1] = 12',
'[2] = 123',
'[3] = 1234',
'}'])
self.expect("p numbers",
substrs = ['$', 'size=4',
'[0] = 1',
'[1] = 12',
'[2] = 123',
'[3] = 1234',
'}'])
# check access to synthetic children
self.runCmd("type summary add --summary-string \"item 0 is ${var[0]}\" std::int_vect int_vect")
self.expect('frame variable numbers',
substrs = ['item 0 is 1']);
self.runCmd("type summary add --summary-string \"item 0 is ${svar[0]}\" std::int_vect int_vect")
#import time
#time.sleep(19)
self.expect('frame variable numbers',
substrs = ['item 0 is 1']);
# move on with synths
self.runCmd("type summary delete std::int_vect")
self.runCmd("type summary delete int_vect")
# add some more data
self.runCmd("c");
self.expect("frame variable numbers",
substrs = ['numbers = size=7',
'[0] = 1',
'[1] = 12',
'[2] = 123',
'[3] = 1234',
'[4] = 12345',
'[5] = 123456',
'[6] = 1234567',
'}'])
self.expect("p numbers",
substrs = ['$', 'size=7',
'[0] = 1',
'[1] = 12',
'[2] = 123',
'[3] = 1234',
'[4] = 12345',
'[5] = 123456',
'[6] = 1234567',
'}'])
# check access-by-index
self.expect("frame variable numbers[0]",
substrs = ['1']);
self.expect("frame variable numbers[1]",
substrs = ['12']);
self.expect("frame variable numbers[2]",
substrs = ['123']);
self.expect("frame variable numbers[3]",
substrs = ['1234']);
# but check that expression does not rely on us
# (when expression gets to call into STL code correctly, we will have to find
# another way to check this)
self.expect("expression numbers[6]", matching=False, error=True,
substrs = ['1234567'])
# check that MightHaveChildren() gets it right
self.assertTrue(self.frame().FindVariable("numbers").MightHaveChildren(), "numbers.MightHaveChildren() says False for non empty!")
# clear out the vector and see that we do the right thing once again
self.runCmd("c")
self.expect("frame variable numbers",
substrs = ['numbers = size=0'])
self.runCmd("c")
# first value added
self.expect("frame variable numbers",
substrs = ['numbers = size=1',
'[0] = 7',
'}'])
# check if we can display strings
self.runCmd("c")
self.expect("frame variable strings",
substrs = ['goofy',
'is',
'smart'])
self.expect("p strings",
substrs = ['goofy',
'is',
'smart'])
# test summaries based on synthetic children
self.runCmd("type summary add std::string_vect string_vect --summary-string \"vector has ${svar%#} items\" -e")
self.expect("frame variable strings",
substrs = ['vector has 3 items',
'goofy',
'is',
'smart'])
self.expect("p strings",
substrs = ['vector has 3 items',
'goofy',
'is',
'smart'])
self.runCmd("c");
self.expect("frame variable strings",
substrs = ['vector has 4 items'])
# check access-by-index
self.expect("frame variable strings[0]",
substrs = ['goofy']);
self.expect("frame variable strings[1]",
substrs = ['is']);
# but check that expression does not rely on us
# (when expression gets to call into STL code correctly, we will have to find
# another way to check this)
self.expect("expression strings[0]", matching=False, error=True,
substrs = ['goofy'])
# check that MightHaveChildren() gets it right
self.assertTrue(self.frame().FindVariable("strings").MightHaveChildren(), "strings.MightHaveChildren() says False for non empty!")
self.runCmd("c")
self.expect("frame variable strings",
substrs = ['vector has 0 items'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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