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"""
Test lldb data formatter subsystem.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class SkipSummaryDataFormatterTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureFreeBSD("llvm.org/pr20548") # fails to build on lab.llvm.org buildbot
@expectedFailureWindows("llvm.org/pr24462") # Data formatters have problems on Windows
def test_with_run_command(self):
"""Test data formatter commands."""
self.build()
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)
#import lldbsuite.test.lldbutil as lldbutil
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
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)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
# Setup the summaries for this scenario
#self.runCmd("type summary add --summary-string \"${var._M_dataplus._M_p}\" std::string")
self.runCmd("type summary add --summary-string \"Level 1\" \"DeepData_1\"")
self.runCmd("type summary add --summary-string \"Level 2\" \"DeepData_2\" -e")
self.runCmd("type summary add --summary-string \"Level 3\" \"DeepData_3\"")
self.runCmd("type summary add --summary-string \"Level 4\" \"DeepData_4\"")
self.runCmd("type summary add --summary-string \"Level 5\" \"DeepData_5\"")
# Default case, just print out summaries
self.expect('frame variable',
substrs = ['(DeepData_1) data1 = Level 1',
'(DeepData_2) data2 = Level 2 {',
'm_child1 = Level 3',
'm_child2 = Level 3',
'm_child3 = Level 3',
'm_child4 = Level 3',
'}'])
# Skip the default (should be 1) levels of summaries
self.expect('frame variable --no-summary-depth',
substrs = ['(DeepData_1) data1 = {',
'm_child1 = 0x',
'}',
'(DeepData_2) data2 = {',
'm_child1 = Level 3',
'm_child2 = Level 3',
'm_child3 = Level 3',
'm_child4 = Level 3',
'}'])
# Now skip 2 levels of summaries
self.expect('frame variable --no-summary-depth=2',
substrs = ['(DeepData_1) data1 = {',
'm_child1 = 0x',
'}',
'(DeepData_2) data2 = {',
'm_child1 = {',
'm_child1 = 0x',
'Level 4',
'm_child2 = {',
'm_child3 = {',
'}'])
# Check that no "Level 3" comes out
self.expect('frame variable data1.m_child1 --no-summary-depth=2', matching=False,
substrs = ['Level 3'])
# Now expand a pointer with 2 level of skipped summaries
self.expect('frame variable data1.m_child1 --no-summary-depth=2',
substrs = ['(DeepData_2 *) data1.m_child1 = 0x'])
# Deref and expand said pointer
self.expect('frame variable *data1.m_child1 --no-summary-depth=2',
substrs = ['(DeepData_2) *data1.m_child1 = {',
'm_child2 = {',
'm_child1 = 0x',
'Level 4',
'}'])
# Expand an expression, skipping 2 layers of summaries
self.expect('frame variable data1.m_child1->m_child2 --no-summary-depth=2',
substrs = ['(DeepData_3) data1.m_child1->m_child2 = {',
'm_child2 = {',
'm_child1 = Level 5',
'm_child2 = Level 5',
'm_child3 = Level 5',
'}'])
# Expand same expression, skipping only 1 layer of summaries
self.expect('frame variable data1.m_child1->m_child2 --no-summary-depth=1',
substrs = ['(DeepData_3) data1.m_child1->m_child2 = {',
'm_child1 = 0x',
'Level 4',
'm_child2 = Level 4',
'}'])
# Bad debugging info on SnowLeopard gcc (Apple Inc. build 5666).
# Skip the following tests if the condition is met.
if self.getCompiler().endswith('gcc') and not self.getCompiler().endswith('llvm-gcc'):
import re
gcc_version_output = system([[lldbutil.which(self.getCompiler()), "-v"]])[1]
#print("my output:", gcc_version_output)
for line in gcc_version_output.split(os.linesep):
m = re.search('\(Apple Inc\. build ([0-9]+)\)', line)
#print("line:", line)
if m:
gcc_build = int(m.group(1))
#print("gcc build:", gcc_build)
if gcc_build >= 5666:
# rdar://problem/9804600"
self.skipTest("rdar://problem/9804600 wrong namespace for std::string in debug info")
# Expand same expression, skipping 3 layers of summaries
self.expect('frame variable data1.m_child1->m_child2 --show-types --no-summary-depth=3',
substrs = ['(DeepData_3) data1.m_child1->m_child2 = {',
'm_some_text = "Just a test"',
'm_child2 = {',
'm_some_text = "Just a test"'])
# Expand within a standard string (might depend on the implementation of the C++ stdlib you use)
self.expect('frame variable data1.m_child1->m_child2.m_child1.m_child2 --no-summary-depth=2',
substrs = ['(DeepData_5) data1.m_child1->m_child2.m_child1.m_child2 = {',
'm_some_text = {',
'_M_dataplus = (_M_p = "Just a test")'])
# Repeat the above, but only skip 1 level of summaries
self.expect('frame variable data1.m_child1->m_child2.m_child1.m_child2 --no-summary-depth=1',
substrs = ['(DeepData_5) data1.m_child1->m_child2.m_child1.m_child2 = {',
'm_some_text = "Just a test"',
'}'])
# Change summary and expand, first without --no-summary-depth then with --no-summary-depth
self.runCmd("type summary add --summary-string \"${var.m_some_text}\" DeepData_5")
self.expect('fr var data2.m_child4.m_child2.m_child2',
substrs = ['(DeepData_5) data2.m_child4.m_child2.m_child2 = "Just a test"'])
self.expect('fr var data2.m_child4.m_child2.m_child2 --no-summary-depth',
substrs = ['(DeepData_5) data2.m_child4.m_child2.m_child2 = {',
'm_some_text = "Just a test"',
'}'])
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