1 files changed, 94 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/commands/expression/top-level/TestTopLevelExprs.py b/lldb/packages/Python/lldbsuite/test/commands/expression/top-level/TestTopLevelExprs.py
new file mode 100644
index 00000000000..e6a632b7f23
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/commands/expression/top-level/TestTopLevelExprs.py
@@ -0,0 +1,94 @@
+"""
+Test top-level expressions.
+"""
+
+from __future__ import print_function
+
+
+import unittest2
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TopLevelExpressionsTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break for main.c.
+        self.line = line_number('main.cpp',
+                                '// Set breakpoint here')
+        self.dummy_line = line_number('dummy.cpp',
+                                      '// Set breakpoint here')
+
+        # Disable confirmation prompt to avoid infinite wait
+        self.runCmd("settings set auto-confirm true")
+        self.addTearDownHook(
+            lambda: self.runCmd("settings clear auto-confirm"))
+
+    def build_and_run(self):
+        """Test top-level expressions."""
+        self.build()
+
+        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
+
+        lldbutil.run_break_set_by_file_and_line(
+            self, "main.cpp", self.line, num_expected_locations=1, loc_exact=False)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+    def run_dummy(self):
+        self.runCmd("file " + self.getBuildArtifact("dummy"),
+                    CURRENT_EXECUTABLE_SET)
+
+        lldbutil.run_break_set_by_file_and_line(
+            self,
+            "dummy.cpp",
+            self.dummy_line,
+            num_expected_locations=1,
+            loc_exact=False)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+    @add_test_categories(['pyapi'])
+    @skipIf(debug_info="gmodules")  # not relevant
+    @skipIf(oslist=["windows"])  # Error in record layout on Windows
+    def test_top_level_expressions(self):
+        self.build_and_run()
+
+        resultFromCode = self.frame().EvaluateExpression("doTest()").GetValueAsUnsigned()
+
+        self.runCmd("kill")
+
+        self.run_dummy()
+
+        codeFile = open('test.cpp', 'r')
+
+        expressions = []
+        current_expression = ""
+
+        for line in codeFile:
+            if line.startswith("// --"):
+                expressions.append(current_expression)
+                current_expression = ""
+            else:
+                current_expression += line
+
+        options = lldb.SBExpressionOptions()
+        options.SetLanguage(lldb.eLanguageTypeC_plus_plus)
+        options.SetTopLevel(True)
+
+        for expression in expressions:
+            self.frame().EvaluateExpression(expression, options)
+
+        resultFromTopLevel = self.frame().EvaluateExpression("doTest()")
+
+        self.assertTrue(resultFromTopLevel.IsValid())
+        self.assertEqual(
+            resultFromCode,
+            resultFromTopLevel.GetValueAsUnsigned())