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# TestSwiftErrorBreakpoint.py
#
# This source file is part of the Swift.org open source project
#
# Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
# Licensed under Apache License v2.0 with Runtime Library Exception
#
# See https://swift.org/LICENSE.txt for license information
# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
#
# ------------------------------------------------------------------------------
"""
Tests catching thrown errors in using the language breakpoint
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
import os
import unittest2
class TestSwiftErrorBreakpoint(TestBase):
@decorators.skipIfLinux # <rdar://problem/30909618>
@swiftTest
def test_swift_error_no_typename(self):
"""Tests that swift error throws are correctly caught by the Swift Error breakpoint"""
self.build()
self.do_tests(None, True)
@swiftTest
def test_swift_error_matching_base_typename(self):
"""Tests that swift error throws are correctly caught by the Swift Error breakpoint"""
self.build()
self.do_tests("EnumError", True)
@swiftTest
def test_swift_error_matching_full_typename(self):
"""Tests that swift error throws are correctly caught by the Swift Error breakpoint"""
self.build()
self.do_tests("a.EnumError", True)
@swiftTest
def test_swift_error_bogus_typename(self):
"""Tests that swift error throws are correctly caught by the Swift Error breakpoint"""
self.build()
self.do_tests("NoSuchErrorHere", False)
def setUp(self):
TestBase.setUp(self)
def do_tests(self, typename, should_stop):
self.do_test(typename, should_stop, self.create_breakpoint_with_api)
self.do_test(typename, should_stop, self.create_breakpoint_with_command)
def create_breakpoint_with_api(self, target, typename):
types = lldb.SBStringList()
if typename:
types.AppendString("exception-typename")
types.AppendString(typename)
return target.BreakpointCreateForException(
lldb.eLanguageTypeSwift, False, True, types).GetID()
def create_breakpoint_with_command(self, target, typename):
return lldbutil.run_break_set_by_exception(
self, "swift", exception_typename=typename)
def do_test(self, typename, should_stop, make_breakpoint):
exe_name = "a.out"
exe = self.getBuildArtifact(exe_name)
# Create the target
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Set the breakpoints
swift_error_bkpt_id = make_breakpoint(target, typename)
# Note, I'm not checking locations here because we never know them
# before launch.
# Launch the process, and do not stop at the entry point.
process = target.LaunchSimple(None, None, os.getcwd())
if should_stop:
self.assertTrue(process, PROCESS_IS_VALID)
breakpoint_threads = lldbutil.get_threads_stopped_at_breakpoint_id(
process, swift_error_bkpt_id)
self.assertEqual(len(breakpoint_threads), 1,
"We didn't stop at the error breakpoint")
else:
exit_state = process.GetState()
self.assertEqual(exit_state, lldb.eStateExited,
"We stopped at the error breakpoint when we shouldn't have.")
target.BreakpointDelete(swift_error_bkpt_id)
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