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Test case for "Fix scope-based lookup when more than one function is …
…found." Missed commit in r255439. Differential Revision: http://reviews.llvm.org/D15312 llvm-svn: 255440
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Dawn Perchik
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Dec 12, 2015
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lldb/packages/Python/lldbsuite/test/lang/cpp/namespace/TestNamespaceLookup.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,216 @@ | ||
| """ | ||
| Test the printing of anonymous and named namespace variables. | ||
| """ | ||
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| from __future__ import print_function | ||
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| import os, time | ||
| import lldb | ||
| from lldbsuite.test.lldbtest import * | ||
| import lldbsuite.test.lldbutil as lldbutil | ||
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| class NamespaceLookupTestCase(TestBase): | ||
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| mydir = TestBase.compute_mydir(__file__) | ||
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| 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') | ||
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| 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']) | ||
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| 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) | ||
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| 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) | ||
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| # 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") | ||
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| # 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") | ||
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| # 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") | ||
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| # 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") | ||
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| # 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") | ||
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| # 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") | ||
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| # 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") | ||
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| @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) | ||
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| 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) | ||
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| # 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") | ||
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| # 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") | ||
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| @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) | ||
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| lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_file_scope, num_expected_locations=1, loc_exact=False) | ||
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| # 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") | ||
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| 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) | ||
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| lldbutil.run_break_set_by_file_and_line (self, "ns3.cpp", self.line_break_before_using_directive, num_expected_locations=1, loc_exact=False) | ||
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| # 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") | ||
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| # 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_directive_lookup_with_run_command(self): | ||
| """Test scope lookup after using directive in lldb.""" | ||
| self.build() | ||
| self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) | ||
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| lldbutil.run_break_set_by_file_and_line (self, "ns3.cpp", self.line_break_after_using_directive, num_expected_locations=1, loc_exact=False) | ||
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| # 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") | ||
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| @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) | ||
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| 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) | ||
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| # 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") | ||
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| @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) | ||
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| lldbutil.run_break_set_by_file_and_line (self, "ns3.cpp", self.line_break_after_using_directive, num_expected_locations=1, loc_exact=False) | ||
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| # 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") | ||
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| 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) | ||
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| lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_nested_ns_scope, num_expected_locations=1, loc_exact=False) | ||
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| # 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") | ||
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