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import lldb
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbtest as lldbtest
import lldbsuite.test.lldbutil as lldbutil
import unittest2
class TestSwiftAsyncUnwind(lldbtest.TestBase):
mydir = lldbtest.TestBase.compute_mydir(__file__)
@swiftTest
@skipIf(oslist=['windows', 'linux'])
def test(self):
"""Test async unwind"""
self.build()
src = lldb.SBFileSpec('main.swift')
target, process, thread, bkpt = lldbutil.run_to_source_breakpoint(
self, 'break here', src)
self.assertTrue("sayolleH" in thread.GetFrameAtIndex(0).GetFunctionName(),
"Redundantly confirm that we're stopped in sayolleH()")
if self.TraceOn():
self.runCmd("bt all")
self.assertTrue("sayHello" in thread.GetFrameAtIndex(1).GetFunctionName())
self.assertTrue("sayGeneric" in thread.GetFrameAtIndex(2).GetFunctionName())
# Check that we can only get a limited number of registers for
# frames that unwound with an AsyncContext, as a sanity check
# to see that this is really the async unwinder.
self.assertIn(thread.GetFrameAtIndex(1).GetRegisters().GetSize(), [2,3,4])
self.assertIn(thread.GetFrameAtIndex(2).GetRegisters().GetSize(), [2,3,4])
# Delete the old breakpoint, otherwise it would be reached again.
target.BreakpointDelete(bkpt.GetID())
lldbutil.continue_to_source_breakpoint(
self, process, "break synchronous hello", src
)
self.assertTrue(
"synchronousSayHelo" in thread.GetFrameAtIndex(0).GetFunctionName(),
)
frame1 = thread.GetFrameAtIndex(1)
self.assertTrue(
"callSyncHello" in frame1.GetFunctionName(),
)
location = frame1.GetLineEntry()
# Check that the callsite location is on the correct line.
self.assertEqual(
location.GetLine(), lldbtest.line_number("main.swift", "frame 1 line")
)
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