teak-llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/namespace/TestNamespaceLookup.py
Stella Stamenova 68ddb76807 [lldbsuite] Un-xfail tests on Windows that are now passing (pt.3)
This is a set of tests that were all marked as failing becuse of several different bugs. A couple of the bugs are now resolved as fixed since all the tests that were failing associated with the bug are now passing. It is possible that some of them are false positives, but there's a large number of unexpectedly passing tests on Windows, so I am doing a bulk un-xfail to get the buildbot to green.

llvm-svn: 349711
2018-12-20 00:58:48 +00:00

315 lines
12 KiB
Python

"""
Test the printing of anonymous and named namespace variables.
"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class NamespaceLookupTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Break inside different scopes and evaluate value
self.line_break_global_scope = line_number(
'ns.cpp', '// BP_global_scope')
self.line_break_file_scope = line_number('ns2.cpp', '// BP_file_scope')
self.line_break_ns_scope = line_number('ns2.cpp', '// BP_ns_scope')
self.line_break_nested_ns_scope = line_number(
'ns2.cpp', '// BP_nested_ns_scope')
self.line_break_nested_ns_scope_after_using = line_number(
'ns2.cpp', '// BP_nested_ns_scope_after_using')
self.line_break_before_using_directive = line_number(
'ns3.cpp', '// BP_before_using_directive')
self.line_break_after_using_directive = line_number(
'ns3.cpp', '// BP_after_using_directive')
def runToBkpt(self, command):
self.runCmd(command, RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs=['stopped',
'stop reason = breakpoint'])
@expectedFailureAll(
oslist=["freebsd"],
bugnumber="llvm.org/pr25819")
def test_scope_lookup_with_run_command(self):
"""Test scope lookup of functions in lldb."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"ns.cpp",
self.line_break_global_scope,
num_expected_locations=1,
loc_exact=False)
lldbutil.run_break_set_by_file_and_line(
self,
"ns2.cpp",
self.line_break_ns_scope,
num_expected_locations=1,
loc_exact=False)
lldbutil.run_break_set_by_file_and_line(
self,
"ns2.cpp",
self.line_break_nested_ns_scope,
num_expected_locations=1,
loc_exact=False)
lldbutil.run_break_set_by_file_and_line(
self,
"ns2.cpp",
self.line_break_nested_ns_scope_after_using,
num_expected_locations=1,
loc_exact=False)
lldbutil.run_break_set_by_file_and_line(
self,
"ns3.cpp",
self.line_break_before_using_directive,
num_expected_locations=1,
loc_exact=False)
lldbutil.run_break_set_by_file_and_line(
self,
"ns3.cpp",
self.line_break_after_using_directive,
num_expected_locations=1,
loc_exact=False)
# Run to BP_global_scope at global scope
self.runToBkpt("run")
# Evaluate func() - should call ::func()
self.expect("expr -- func()", startstr="(int) $0 = 1")
# Evaluate A::B::func() - should call A::B::func()
self.expect("expr -- A::B::func()", startstr="(int) $1 = 4")
# Evaluate func(10) - should call ::func(int)
self.expect("expr -- func(10)", startstr="(int) $2 = 11")
# Evaluate ::func() - should call A::func()
self.expect("expr -- ::func()", startstr="(int) $3 = 1")
# Evaluate A::foo() - should call A::foo()
self.expect("expr -- A::foo()", startstr="(int) $4 = 42")
# Continue to BP_ns_scope at ns scope
self.runToBkpt("continue")
# Evaluate func(10) - should call A::func(int)
self.expect("expr -- func(10)", startstr="(int) $5 = 13")
# Evaluate B::func() - should call B::func()
self.expect("expr -- B::func()", startstr="(int) $6 = 4")
# Evaluate func() - should call A::func()
self.expect("expr -- func()", startstr="(int) $7 = 3")
# Continue to BP_nested_ns_scope at nested ns scope
self.runToBkpt("continue")
# Evaluate func() - should call A::B::func()
self.expect("expr -- func()", startstr="(int) $8 = 4")
# Evaluate A::func() - should call A::func()
self.expect("expr -- A::func()", startstr="(int) $9 = 3")
# Evaluate func(10) - should call A::func(10)
# NOTE: Under the rules of C++, this test would normally get an error
# because A::B::func() hides A::func(), but lldb intentionally
# disobeys these rules so that the intended overload can be found
# by only removing duplicates if they have the same type.
self.expect("expr -- func(10)", startstr="(int) $10 = 13")
# Continue to BP_nested_ns_scope_after_using at nested ns scope after
# using declaration
self.runToBkpt("continue")
# Evaluate A::func(10) - should call A::func(int)
self.expect("expr -- A::func(10)", startstr="(int) $11 = 13")
# Continue to BP_before_using_directive at global scope before using
# declaration
self.runToBkpt("continue")
# Evaluate ::func() - should call ::func()
self.expect("expr -- ::func()", startstr="(int) $12 = 1")
# Evaluate B::func() - should call B::func()
self.expect("expr -- B::func()", startstr="(int) $13 = 4")
# Continue to BP_after_using_directive at global scope after using
# declaration
self.runToBkpt("continue")
# Evaluate ::func() - should call ::func()
self.expect("expr -- ::func()", startstr="(int) $14 = 1")
# Evaluate B::func() - should call B::func()
self.expect("expr -- B::func()", startstr="(int) $15 = 4")
@unittest2.expectedFailure("lldb scope lookup of functions bugs")
def test_function_scope_lookup_with_run_command(self):
"""Test scope lookup of functions in lldb."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"ns.cpp",
self.line_break_global_scope,
num_expected_locations=1,
loc_exact=False)
lldbutil.run_break_set_by_file_and_line(
self,
"ns2.cpp",
self.line_break_ns_scope,
num_expected_locations=1,
loc_exact=False)
# Run to BP_global_scope at global scope
self.runToBkpt("run")
# Evaluate foo() - should call ::foo()
# FIXME: lldb finds Y::foo because lookup for variables is done
# before functions.
self.expect("expr -- foo()", startstr="(int) $0 = 42")
# Evaluate ::foo() - should call ::foo()
# FIXME: lldb finds Y::foo because lookup for variables is done
# before functions and :: is ignored.
self.expect("expr -- ::foo()", startstr="(int) $1 = 42")
# Continue to BP_ns_scope at ns scope
self.runToBkpt("continue")
# Evaluate foo() - should call A::foo()
# FIXME: lldb finds Y::foo because lookup for variables is done
# before functions.
self.expect("expr -- foo()", startstr="(int) $2 = 42")
@unittest2.expectedFailure("lldb file scope lookup bugs")
def test_file_scope_lookup_with_run_command(self):
"""Test file scope lookup in lldb."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"ns2.cpp",
self.line_break_file_scope,
num_expected_locations=1,
loc_exact=False)
# Run to BP_file_scope at file scope
self.runToBkpt("run")
# Evaluate func() - should call static ns2.cpp:func()
# FIXME: This test fails because lldb doesn't know about file scopes so
# finds the global ::func().
self.expect("expr -- func()", startstr="(int) $0 = 2")
def test_scope_lookup_before_using_with_run_command(self):
"""Test scope lookup before using in lldb."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"ns3.cpp",
self.line_break_before_using_directive,
num_expected_locations=1,
loc_exact=False)
# Run to BP_before_using_directive at global scope before using
# declaration
self.runToBkpt("run")
# Evaluate func() - should call ::func()
self.expect("expr -- func()", startstr="(int) $0 = 1")
# NOTE: this test may fail on older systems that don't emit import
# entries in DWARF - may need to add checks for compiler versions here.
@skipIf(
compiler="gcc",
oslist=["linux"],
debug_info=["dwo"]) # Skip to avoid crash
@expectedFailureAll(
oslist=["freebsd"],
bugnumber="llvm.org/pr25819")
def test_scope_after_using_directive_lookup_with_run_command(self):
"""Test scope lookup after using directive in lldb."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"ns3.cpp",
self.line_break_after_using_directive,
num_expected_locations=1,
loc_exact=False)
# Run to BP_after_using_directive at global scope after using
# declaration
self.runToBkpt("run")
# Evaluate func2() - should call A::func2()
self.expect("expr -- func2()", startstr="(int) $0 = 3")
@unittest2.expectedFailure(
"lldb scope lookup after using declaration bugs")
# NOTE: this test may fail on older systems that don't emit import
# emtries in DWARF - may need to add checks for compiler versions here.
def test_scope_after_using_declaration_lookup_with_run_command(self):
"""Test scope lookup after using declaration in lldb."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"ns2.cpp",
self.line_break_nested_ns_scope_after_using,
num_expected_locations=1,
loc_exact=False)
# Run to BP_nested_ns_scope_after_using at nested ns scope after using
# declaration
self.runToBkpt("run")
# Evaluate func() - should call A::func()
self.expect("expr -- func()", startstr="(int) $0 = 3")
@unittest2.expectedFailure("lldb scope lookup ambiguity after using bugs")
def test_scope_ambiguity_after_using_lookup_with_run_command(self):
"""Test scope lookup ambiguity after using in lldb."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"ns3.cpp",
self.line_break_after_using_directive,
num_expected_locations=1,
loc_exact=False)
# Run to BP_after_using_directive at global scope after using
# declaration
self.runToBkpt("run")
# Evaluate func() - should get error: ambiguous
# FIXME: This test fails because lldb removes duplicates if they have
# the same type.
self.expect("expr -- func()", startstr="error")
@expectedFailureAll(
oslist=["freebsd"],
bugnumber="llvm.org/pr25819")
def test_scope_lookup_shadowed_by_using_with_run_command(self):
"""Test scope lookup shadowed by using in lldb."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"ns2.cpp",
self.line_break_nested_ns_scope,
num_expected_locations=1,
loc_exact=False)
# Run to BP_nested_ns_scope at nested ns scope
self.runToBkpt("run")
# Evaluate func(10) - should call A::func(10)
# NOTE: Under the rules of C++, this test would normally get an error
# because A::B::func() shadows A::func(), but lldb intentionally
# disobeys these rules so that the intended overload can be found
# by only removing duplicates if they have the same type.
self.expect("expr -- func(10)", startstr="(int) $0 = 13")