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"""
Make sure we don't trap exceptions with SetREPLEnabled(true) or "lldb --repl"
"""
from __future__ import print_function
import os
import time
import re
import subprocess
import lldb
import swift
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
class TestSwiftREPLExceptions(TestBase):
# If your test case doesn't stress debug info, the
# set this to true. That way it won't be run once for
# each debug info format.
NO_DEBUG_INFO_TESTCASE = True
@skipUnlessDarwin
@swiftTest
def DISABLED_test_set_repl_mode_exceptions(self):
""" Test that SetREPLMode turns off trapping exceptions."""
self.build()
self.main_source_file = lldb.SBFileSpec("main.swift")
self.do_repl_mode_test()
@skipUnlessDarwin
@swiftTest
def test_repl_exceptions(self):
""" Test the lldb --repl turns off trapping exceptions."""
self.build()
self.do_repl_test()
@skipIfRemote
def do_repl_test(self):
sdk_root = ""
with open(self.getBuildArtifact("sdkroot.txt"), 'r') as f:
sdk_root = f.readlines()[0]
self.assertGreater(len(sdk_root), 0)
if sdk_root[-1] == '\n':
sdk_root = sdk_root[:-1]
build_dir = self.getBuildDir()
repl_args = [lldbtest_config.lldbExec, "-x", "--repl=-enable-objc-interop -sdk %s -L%s -I%s"%(sdk_root, build_dir, build_dir)]
repl_proc = subprocess.Popen(repl_args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, cwd=build_dir)
input_str = "import Wrapper\ncall_cpp()\n:quit"
(stdoutdata, stderrdata) = repl_proc.communicate(input=input_str.encode())
stdoutdata = stdoutdata.decode("utf-8") if stdoutdata else None
stderrdata = stderrdata.decode("utf-8") if stderrdata else None
self.assertTrue("I called it successfully" in stdoutdata, "Didn't call call_cpp successfully: out: \n%s\nerr: %s"%(stdoutdata, stderrdata))
def do_repl_mode_test(self):
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
self.registerSharedLibrariesWithTarget(target, ['Wrapper'])
if lldb.remote_platform:
wd = lldb.remote_platform.GetWorkingDirectory()
filename = 'libCppLib.dylib'
err = lldb.remote_platform.Put(
lldb.SBFileSpec(self.getBuildArtifact(filename)),
lldb.SBFileSpec(os.path.join(wd, filename)))
self.assertFalse(err.Fail(), 'Failed to copy ' + filename)
(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self,
"Set a breakpoint here", self.main_source_file)
frame = thread.GetFrameAtIndex(0)
options = lldb.SBExpressionOptions()
options.SetREPLMode(True)
val = frame.EvaluateExpression("call_cpp(); 5", options)
self.assertSuccess(val.GetError(), "Got an error evaluating expression")
self.assertEqual(val.GetValueAsUnsigned(), 5,"The expression didn't return the correct result")
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