1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208
|
"""
Test lldb process launch flags.
"""
import os
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ProcessLaunchTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.runCmd("settings set auto-confirm true")
def tearDown(self):
self.runCmd("settings clear auto-confirm")
TestBase.tearDown(self)
@skipIfRemote
def test_io(self):
"""Test that process launch I/O redirection flags work properly."""
self.build()
exe = self.getBuildArtifact("a.out")
self.expect("file " + exe, patterns=["Current executable set to .*a.out"])
in_file = os.path.join(self.getSourceDir(), "input-file.txt")
out_file = lldbutil.append_to_process_working_directory(self, "output-test.out")
err_file = lldbutil.append_to_process_working_directory(self, "output-test.err")
# Make sure the output files do not exist before launching the process
try:
os.remove(out_file)
except OSError:
pass
try:
os.remove(err_file)
except OSError:
pass
launch_command = "process launch -i '{0}' -o '{1}' -e '{2}' -w '{3}'".format(
in_file, out_file, err_file, self.get_process_working_directory()
)
if lldb.remote_platform:
self.runCmd(
'platform put-file "{local}" "{remote}"'.format(
local=in_file, remote=in_file
)
)
self.expect(launch_command, patterns=["Process .* launched: .*a.out"])
success = True
err_msg = ""
out = lldbutil.read_file_on_target(self, out_file)
if out != "This should go to stdout.\n":
success = False
err_msg = (
err_msg + " ERROR: stdout file does not contain correct output.\n"
)
err = lldbutil.read_file_on_target(self, err_file)
if err != "This should go to stderr.\n":
success = False
err_msg = (
err_msg + " ERROR: stderr file does not contain correct output.\n"
)
if not success:
self.fail(err_msg)
# rdar://problem/9056462
# The process launch flag '-w' for setting the current working directory
# not working?
@skipIfRemote
@expectedFailureAll(oslist=["freebsd", "linux"], bugnumber="llvm.org/pr20265")
@expectedFailureNetBSD
def test_set_working_dir_nonexisting(self):
"""Test that '-w dir' fails to set the working dir when running the inferior with a dir which doesn't exist."""
d = {"CXX_SOURCES": "print_cwd.cpp"}
self.build(dictionary=d)
self.setTearDownCleanup(d)
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe)
mywd = "my_working_dir"
out_file_name = "my_working_dir_test.out"
err_file_name = "my_working_dir_test.err"
my_working_dir_path = self.getBuildArtifact(mywd)
out_file_path = os.path.join(my_working_dir_path, out_file_name)
err_file_path = os.path.join(my_working_dir_path, err_file_name)
# Check that we get an error when we have a nonexisting path
invalid_dir_path = mywd + "z"
launch_command = "process launch -w %s -o %s -e %s" % (
invalid_dir_path,
out_file_path,
err_file_path,
)
self.expect(
launch_command,
error=True,
patterns=["error:.* No such file or directory: %s" % invalid_dir_path],
)
@skipIfRemote
def test_set_working_dir_existing(self):
"""Test that '-w dir' sets the working dir when running the inferior."""
d = {"CXX_SOURCES": "print_cwd.cpp"}
self.build(dictionary=d)
self.setTearDownCleanup(d)
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe)
mywd = "my_working_dir"
out_file_name = "my_working_dir_test.out"
err_file_name = "my_working_dir_test.err"
my_working_dir_path = self.getBuildArtifact(mywd)
lldbutil.mkdir_p(my_working_dir_path)
out_file_path = os.path.join(my_working_dir_path, out_file_name)
err_file_path = os.path.join(my_working_dir_path, err_file_name)
# Make sure the output files do not exist before launching the process
try:
os.remove(out_file_path)
os.remove(err_file_path)
except OSError:
pass
launch_command = "process launch -w %s -o %s -e %s" % (
my_working_dir_path,
out_file_path,
err_file_path,
)
self.expect(launch_command, patterns=["Process .* launched: .*a.out"])
success = True
err_msg = ""
# Check to see if the 'stdout' file was created
try:
out_f = open(out_file_path)
except IOError:
success = False
err_msg = err_msg + "ERROR: stdout file was not created.\n"
else:
# Check to see if the 'stdout' file contains the right output
line = out_f.readline()
if self.TraceOn():
print("line:", line)
if not re.search(mywd, line):
success = False
err_msg = (
err_msg + "The current working directory was not set correctly.\n"
)
out_f.close()
# Try to delete the 'stdout' and 'stderr' files
try:
os.remove(out_file_path)
os.remove(err_file_path)
except OSError:
pass
if not success:
self.fail(err_msg)
def test_environment_with_special_char(self):
"""Test that environment variables containing '*' and '}' are handled correctly by the inferior."""
source = "print_env.cpp"
d = {"CXX_SOURCES": source}
self.build(dictionary=d)
self.setTearDownCleanup(d)
evil_var = "INIT*MIDDLE}TAIL"
target = self.createTestTarget()
main_source_spec = lldb.SBFileSpec(source)
breakpoint = target.BreakpointCreateBySourceRegex(
"// Set breakpoint here.", main_source_spec
)
process = target.LaunchSimple(
None, ["EVIL=" + evil_var], self.get_process_working_directory()
)
self.assertEqual(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
threads = lldbutil.get_threads_stopped_at_breakpoint(process, breakpoint)
self.assertEqual(len(threads), 1)
frame = threads[0].GetFrameAtIndex(0)
sbvalue = frame.EvaluateExpression("evil")
value = sbvalue.GetSummary().strip('"')
self.assertEqual(value, evil_var)
process.Continue()
self.assertState(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
|