1 files changed, 74 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/data-formatter/synthupdate/TestSyntheticFilterRecompute.py b/packages/Python/lldbsuite/test/functionalities/data-formatter/synthupdate/TestSyntheticFilterRecompute.py
new file mode 100644
index 000000000000..6b70a88b9f2c
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/data-formatter/synthupdate/TestSyntheticFilterRecompute.py
@@ -0,0 +1,74 @@
+"""
+Test lldb data formatter subsystem.
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+from lldbsuite.test.lldbtest import *
+import datetime
+import lldbsuite.test.lldbutil as lldbutil
+
+class SyntheticFilterRecomputingTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break at.
+        self.line = line_number('main.m', '// Set break point at this line.')
+
+    @skipUnlessDarwin
+    def test_rdar12437442_with_run_command(self):
+        """Test that we update SBValues correctly as dynamic types change."""
+        self.build()
+        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
+
+        lldbutil.run_break_set_by_file_and_line (self, "main.m", self.line, num_expected_locations=1, loc_exact=True)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ['stopped',
+                       'stop reason = breakpoint'])
+
+        # This is the function to remove the custom formats in order to have a
+        # clean slate for the next test case.
+        def cleanup():
+            self.runCmd('type format clear', check=False)
+            self.runCmd('type summary clear', check=False)
+            self.runCmd('type synth clear', check=False)
+
+        # Execute the cleanup function during test case tear down.
+        self.addTearDownHook(cleanup)
+
+        # Now run the bulk of the test
+        id_x = self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread().GetSelectedFrame().FindVariable("x")
+        id_x.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
+        id_x.SetPreferSyntheticValue(True)
+        
+        if self.TraceOn():
+            self.runCmd("expr --dynamic-type run-target --ptr-depth 1 -- x")
+
+        self.assertTrue(id_x.GetSummary() == '@"5 elements"', "array does not get correct summary")
+
+        self.runCmd("next")
+        self.runCmd("frame select 0")
+
+        id_x = self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread().GetSelectedFrame().FindVariable("x")
+        id_x.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
+        id_x.SetPreferSyntheticValue(True)
+
+        if self.TraceOn():
+            self.runCmd("expr --dynamic-type run-target --ptr-depth 1 -- x")
+
+        self.assertTrue(id_x.GetNumChildren() == 7, "dictionary does not have 7 children")
+        id_x.SetPreferSyntheticValue(False)
+        self.assertFalse(id_x.GetNumChildren() == 7, "dictionary still looks synthetic")
+        id_x.SetPreferSyntheticValue(True)
+        self.assertTrue(id_x.GetSummary() == "7 key/value pairs", "dictionary does not get correct summary")