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"""
Test expression operations in class constrained protocols
"""
from __future__ import print_function
import os
import time
import re
import lldb
import lldbsuite.test.lldbutil as lldbutil
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
class TestClassConstrainedProtocol(TestBase):
@swiftTest
def test_extension_weak_self(self):
"""Test that we can reconstruct weak self captured in a class constrained protocol."""
self.build()
self.do_self_test("Break here for weak self", needs_dynamic=False)
@swiftTest
def test_extension_self (self):
"""Test that we can reconstruct self in method of a class constrained protocol."""
self.build()
self.do_self_test("Break here in class protocol", needs_dynamic=False)
@swiftTest
def test_method_weak_self(self):
"""Test that we can reconstruct weak self capture in method of a class conforming to a class constrained protocol."""
self.build()
self.do_self_test("Break here for method weak self", needs_dynamic=False)
@swiftTest
def test_method_self(self):
"""Test that we can reconstruct self in method of a class conforming to a class constrained protocol."""
self.build()
self.do_self_test("Break here in method", needs_dynamic=False)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
def check_self(self, bkpt_pattern, needs_dynamic):
opts = lldb.SBExpressionOptions()
if needs_dynamic:
opts.SetFetchDynamicValue(lldb.eNoDynamicValues)
result = self.frame().EvaluateExpression("self", opts)
error = result.GetError()
self.assertTrue("self" in error.GetCString())
self.assertTrue("run-target" in error.GetCString())
opts.SetFetchDynamicValue(lldb.eDynamicCanRunTarget)
result = self.frame().EvaluateExpression("self", opts)
error = result.GetError()
self.assertSuccess(error,
"'self' expression failed at '%s'" % bkpt_pattern)
f_ivar = result.GetChildMemberWithName("f")
self.assertTrue(f_ivar.IsValid(),
"Could not find 'f' in self at '%s'"%(bkpt_pattern))
self.assertTrue(f_ivar.GetValueAsSigned() == 12345,
"Wrong value for f: %d"%(f_ivar.GetValueAsSigned()))
def do_self_test(self, bkpt_pattern, needs_dynamic):
lldbutil.run_to_source_breakpoint(
self, bkpt_pattern, lldb.SBFileSpec('main.swift'))
self.check_self(bkpt_pattern, needs_dynamic)
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