1 files changed, 31 insertions, 0 deletions
diff --git a/utils/lit/lit/run.py b/utils/lit/lit/run.py
index 8a9f87b201..44666679a6 100644
--- a/utils/lit/lit/run.py
+++ b/utils/lit/lit/run.py
@@ -1,3 +1,8 @@
+import time
+import traceback
+
+import lit.Test
+
 class Run(object):
     """
     This class represents a concrete, configured testing run.
@@ -6,3 +11,29 @@ class Run(object):
     def __init__(self, lit_config, tests):
         self.lit_config = lit_config
         self.tests = tests
+
+    def execute_test(self, test):
+        result = None
+        startTime = time.time()
+        try:
+            result = test.config.test_format.execute(test, self.lit_config)
+
+            # Support deprecated result from execute() which returned the result
+            # code and additional output as a tuple.
+            if isinstance(result, tuple):
+                code, output = result
+                result = lit.Test.Result(code, output)
+            elif not isinstance(result, lit.Test.Result):
+                raise ValueError("unexpected result from test execution")
+        except KeyboardInterrupt:
+            raise
+        except:
+            if self.lit_config.debug:
+                raise
+            output = 'Exception during script execution:\n'
+            output += traceback.format_exc()
+            output += '\n'
+            result = lit.Test.Result(lit.Test.UNRESOLVED, output)
+        result.elapsed = time.time() - startTime
+
+        test.setResult(result)