| """ |
| 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=["windows", "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") |
| |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr25819") |
| 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=["windows", "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=["windows", "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") |
