[lldb][NFC] Modernize lang/cpp/scope test

lldb/test/API/lang/cpp/scope/TestCppScope.py

@@ -1,91 +1,27 @@
-"""
-Test scopes in C++.
-"""
 import lldb
 from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
 from lldbsuite.test import lldbutil
 
-
+class TestCase(TestBase):
-class TestCppScopes(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
     @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
-    def test_all_but_c(self):
+    def test(self):
-        self.do_test(False)
-
-    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
-    def test_c(self):
-        self.do_test(True)
-
-    def do_test(self, test_c):
         self.build()
+        lldbutil.run_to_source_breakpoint(self, "// break here", lldb.SBFileSpec("main.cpp"))
 
-        # Get main source file
+        # Test that global variables contain the right scope operators.
-        src_file = os.path.join(self.getSourceDir(), "main.cpp")
+        global_vars = self.frame().GetVariables(False, False, True, False)
-        src_file_spec = lldb.SBFileSpec(src_file)
+        global_var_names = [v.GetName() for v in global_vars]
-        self.assertTrue(src_file_spec.IsValid(), "Main source file")
+        expected_var_names = ["A::a", "B::a", "C::a", "::a"]
+        self.assertEqual(global_var_names, expected_var_names)
 
-        # Get the path of the executable
+        # Test lookup in scopes.
-        exe_path = self.getBuildArtifact("a.out")
+        self.expect_expr("A::a", result_value="1111")
-
+        self.expect_expr("B::a", result_value="2222")
-        # Load the executable
+        self.expect_expr("C::a", result_value="3333")
-        target = self.dbg.CreateTarget(exe_path)
+        self.expect_expr("::a", result_value="4444")
-        self.assertTrue(target.IsValid(), VALID_TARGET)
+        # Check that lookup without scope returns the same result.
-
+        self.expect_expr("a", result_value="4444")
-        # Break on main function
-        main_breakpoint = target.BreakpointCreateBySourceRegex(
-            "// break here", src_file_spec)
-        self.assertTrue(
-            main_breakpoint.IsValid() and main_breakpoint.GetNumLocations() >= 1,
-            VALID_BREAKPOINT)
-
-        # Launch the process
-        args = None
-        env = None
-        process = target.LaunchSimple(
-            args, env, self.get_process_working_directory())
-        self.assertTrue(process.IsValid(), PROCESS_IS_VALID)
-
-        # Get the thread of the process
-        self.assertTrue(
-            process.GetState() == lldb.eStateStopped,
-            PROCESS_STOPPED)
-        thread = lldbutil.get_stopped_thread(
-            process, lldb.eStopReasonBreakpoint)
-
-        # Get current fream of the thread at the breakpoint
-        frame = thread.GetSelectedFrame()
-
-        # Test result for scopes of variables
-
-        global_variables = frame.GetVariables(True, True, True, False)
-        global_variables_assert = {
-            'A::a': 1111,
-            'B::a': 2222,
-            'C::a': 3333,
-            '::a': 4444,
-            'a': 4444
-        }
-
-        self.assertTrue(
-            global_variables.GetSize() == 4,
-            "target variable returns all variables")
-        for variable in global_variables:
-            name = variable.GetName()
-            self.assertTrue(
-                name in global_variables_assert,
-                "target variable returns wrong variable " + name)
-
-        for name in global_variables_assert:
-            if name is "C::a" and not test_c:
-                continue
-            if name is not "C::a" and test_c:
-                continue
-
-            value = frame.EvaluateExpression(name)
-            assert_value = global_variables_assert[name]
-            self.assertTrue(
-                value.IsValid() and value.GetValueAsSigned() == assert_value,
-                name + " = " + str(assert_value))