1 files changed, 91 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/commands/expression/options/TestExprOptions.py b/lldb/packages/Python/lldbsuite/test/commands/expression/options/TestExprOptions.py
new file mode 100644
index 00000000000..8af0ea1ba0c
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/commands/expression/options/TestExprOptions.py
@@ -0,0 +1,91 @@
+"""
+Test expression command options.
+
+Test cases:
+
+o test_expr_options:
+  Test expression command options.
+"""
+
+from __future__ import print_function
+
+
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+
+
+class ExprOptionsTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+        self.main_source = "main.cpp"
+        self.main_source_spec = lldb.SBFileSpec(self.main_source)
+        self.line = line_number('main.cpp', '// breakpoint_in_main')
+        self.exe = self.getBuildArtifact("a.out")
+
+    def test_expr_options(self):
+        """These expression command options should work as expected."""
+        self.build()
+
+        # Set debugger into synchronous mode
+        self.dbg.SetAsync(False)
+
+        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
+            self, '// breakpoint_in_main', self.main_source_spec)
+
+        frame = thread.GetFrameAtIndex(0)
+        options = lldb.SBExpressionOptions()
+
+        # test --language on C++ expression using the SB API's
+
+        # Make sure we can evaluate a C++11 expression.
+        val = frame.EvaluateExpression('foo != nullptr')
+        self.assertTrue(val.IsValid())
+        self.assertTrue(val.GetError().Success())
+        self.DebugSBValue(val)
+
+        # Make sure it still works if language is set to C++11:
+        options.SetLanguage(lldb.eLanguageTypeC_plus_plus_11)
+        val = frame.EvaluateExpression('foo != nullptr', options)
+        self.assertTrue(val.IsValid())
+        self.assertTrue(val.GetError().Success())
+        self.DebugSBValue(val)
+
+        # Make sure it fails if language is set to C:
+        options.SetLanguage(lldb.eLanguageTypeC)
+        val = frame.EvaluateExpression('foo != nullptr', options)
+        self.assertTrue(val.IsValid())
+        self.assertFalse(val.GetError().Success())
+
+    @skipIfDarwin
+    def test_expr_options_lang(self):
+        """These expression language options should work as expected."""
+        self.build()
+
+        # Set debugger into synchronous mode
+        self.dbg.SetAsync(False)
+
+        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
+            self, '// breakpoint_in_main', self.main_source_spec)
+
+        frame = thread.GetFrameAtIndex(0)
+        options = lldb.SBExpressionOptions()
+
+        # Make sure we can retrieve `id` variable if language is set to C++11:
+        options.SetLanguage(lldb.eLanguageTypeC_plus_plus_11)
+        val = frame.EvaluateExpression('id == 0', options)
+        self.assertTrue(val.IsValid())
+        self.assertTrue(val.GetError().Success())
+        self.DebugSBValue(val)
+
+        # Make sure we can't retrieve `id` variable if language is set to ObjC:
+        options.SetLanguage(lldb.eLanguageTypeObjC)
+        val = frame.EvaluateExpression('id == 0', options)
+        self.assertTrue(val.IsValid())
+        self.assertFalse(val.GetError().Success())