1 files changed, 113 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/lang/go/expressions/TestExpressions.py b/packages/Python/lldbsuite/test/lang/go/expressions/TestExpressions.py
new file mode 100644
index 000000000000..cbd244a7e056
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/go/expressions/TestExpressions.py
@@ -0,0 +1,113 @@
+"""Test the go expression parser/interpreter."""
+
+import os, time
+import unittest2
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+
+class TestGoUserExpression(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @add_test_categories(['pyapi'])
+    @skipIfRemote # Not remote test suit ready
+    @skipUnlessGoInstalled
+    def test_with_dsym_and_python_api(self):
+        """Test GoASTUserExpress."""
+        self.buildGo()
+        self.launchProcess()
+        self.go_expressions()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line numbers to break inside main().
+        self.main_source = "main.go"
+        self.break_line = line_number(self.main_source, '// Set breakpoint here.')
+
+    def check_builtin(self, name, size=0, typeclass=lldb.eTypeClassBuiltin):
+        tl = self.target().FindTypes(name)
+        self.assertEqual(1, len(tl))
+        t = list(tl)[0]
+        self.assertEqual(name, t.name)
+        self.assertEqual(typeclass, t.type)
+        if size > 0:
+            self.assertEqual(size, t.size)
+
+    def launchProcess(self):
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        bpt = target.BreakpointCreateByLocation(self.main_source, self.break_line)
+        self.assertTrue(bpt, VALID_BREAKPOINT)
+
+        # Now launch the process, and do not stop at entry point.
+        process = target.LaunchSimple (None, None, self.get_process_working_directory())
+
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # The stop reason of the thread should be breakpoint.
+        thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, bpt)
+
+        # Make sure we stopped at the first breakpoint.
+        self.assertTrue (len(thread_list) != 0, "No thread stopped at our breakpoint.")
+        self.assertTrue (len(thread_list) == 1, "More than one thread stopped at our breakpoint.")
+
+        frame = thread_list[0].GetFrameAtIndex(0)
+        self.assertTrue (frame, "Got a valid frame 0 frame.")
+
+    def go_expressions(self):
+        frame = self.frame()
+        v = frame.EvaluateExpression("1")
+        self.assertEqual(1, v.GetValueAsSigned())
+        x = frame.EvaluateExpression("x")
+        self.assertEqual(22, x.GetValueAsSigned())
+        
+        a = frame.EvaluateExpression("a")
+        self.assertEqual(3, a.GetNumChildren())
+        a0 = a.GetChildAtIndex(0)
+        self.assertEqual(8, a0.GetValueAsSigned())
+
+        # Array indexing
+        a0 = frame.EvaluateExpression("a[0]")
+        self.assertEqual(8, a0.GetValueAsSigned())
+        
+        # Slice indexing
+        b1 = frame.EvaluateExpression("b[1]")
+        self.assertEqual(9, b1.GetValueAsSigned())
+        
+        # Test global in this package
+        g = frame.EvaluateExpression("myGlobal")
+        self.assertEqual(17, g.GetValueAsSigned(), str(g))
+        
+        # Global with package name
+        g = frame.EvaluateExpression("main.myGlobal")
+        self.assertEqual(17, g.GetValueAsSigned(), str(g))
+        
+        # Global with quoted package name
+        g = frame.EvaluateExpression('"main".myGlobal')
+        self.assertEqual(17, g.GetValueAsSigned(), str(g))
+                
+        # Casting with package local type
+        s = frame.EvaluateExpression("*(*myStruct)(i.data)")
+        sb = s.GetChildMemberWithName("a")
+        self.assertEqual(2, sb.GetValueAsSigned())
+
+        # casting with explicit package
+        s = frame.EvaluateExpression("*(*main.myStruct)(i.data)")
+        sb = s.GetChildMemberWithName("a")
+        self.assertEqual(2, sb.GetValueAsSigned())
+
+        # Casting quoted package
+        s = frame.EvaluateExpression('*(*"main".myStruct)(i.data)')
+        sb = s.GetChildMemberWithName("b")
+        self.assertEqual(-1, sb.GetValueAsSigned())
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()