[Commands] Expose statistics through the SBAPI.

The API is `SBStructuredData GetStatistics()`. This allows
the command to be used in scripts.

<rdar://problem/36555975>

llvm-svn: 330165

1 files changed, 28 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/stats_api/TestStatisticsAPI.py b/lldb/packages/Python/lldbsuite/test/functionalities/stats_api/TestStatisticsAPI.py
new file mode 100644
index 00000000000..e3e1cba3aec
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/stats_api/TestStatisticsAPI.py
@@ -0,0 +1,28 @@
+# Test the SBAPI for GetStatistics()
+
+import json
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestStatsAPI(TestBase):
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        TestBase.setUp(self)
+
+    def test_stats_api(self):
+        self.build()
+        exe = self.getBuildArtifact("a.out")
+        target = self.dbg.CreateTarget(exe)
+        stats = target.GetStatistics()
+        stream = lldb.SBStream()
+        res = stats.GetAsJSON(stream)
+        stats_json = sorted(json.loads(stream.GetData()))
+        self.assertEqual(len(stats_json), 4)
+        self.assertEqual(stats_json[0], "Number of expr evaluation failures")
+        self.assertEqual(stats_json[1], "Number of expr evaluation successes")
+        self.assertEqual(stats_json[2], "Number of frame var failures")
+        self.assertEqual(stats_json[3], "Number of frame var successes")