1 files changed, 223 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/lang/cpp/namespace/TestNamespaceLookup.py b/packages/Python/lldbsuite/test/lang/cpp/namespace/TestNamespaceLookup.py
new file mode 100644
index 0000000..4cad455
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/cpp/namespace/TestNamespaceLookup.py
@@ -0,0 +1,223 @@
+"""
+Test the printing of anonymous and named namespace variables.
+"""
+
+from __future__ import print_function
+
+
+import os, time
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as 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'])
+
+    @expectedFailureFreeBSD("llvm.org/pr25819")
+    @expectedFailureLinux("llvm.org/pr25819")
+    def test_scope_lookup_with_run_command(self):
+        """Test scope lookup of functions in lldb."""
+        self.build()
+        self.runCmd("file 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 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 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")
+
+    @expectedFailureLinux("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 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
+    # emtries in DWARF - may need to add checks for compiler versions here.
+    @expectedFailureFreeBSD("llvm.org/pr25819")
+    @expectedFailureLinux("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 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 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 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")
+
+    @expectedFailureFreeBSD("llvm.org/pr25819")
+    @expectedFailureLinux("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 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")
+