Minor test runner improvemenst

- rework the way SBDebugger.SetAsync() is used to avoid side effects (reset original value at TearDownHook)
- refactor expectedFailureClang (and add expectedFailureGcc decorator)
- mark TestChangeValueAPI.py as expectedFailureGcc due to PR-15039

llvm-svn: 175523

2 files changed, 4 insertions, 1 deletions

diff --git a/lldb/test/python_api/process/io/TestProcessIO.py b/lldb/test/python_api/process/io/TestProcessIO.py
index 4d6a0221d3e..1096bce85a5 100644
--- a/lldb/test/python_api/process/io/TestProcessIO.py
+++ b/lldb/test/python_api/process/io/TestProcessIO.py
@@ -35,7 +35,9 @@ class ProcessIOTestCase(TestBase):
 
         target = self.dbg.CreateTarget(self.exe)
 
-        self.dbg.SetAsync(True)
+        # Perform synchronous interaction with the debugger.
+        self.setAsync(True)
+
         process = target.LaunchSimple(None, None, os.getcwd())
         if self.TraceOn():
             print "process launched."
diff --git a/lldb/test/python_api/value/change_values/TestChangeValueAPI.py b/lldb/test/python_api/value/change_values/TestChangeValueAPI.py
index 26f849b6190..fb5c294fe76 100644
--- a/lldb/test/python_api/value/change_values/TestChangeValueAPI.py
+++ b/lldb/test/python_api/value/change_values/TestChangeValueAPI.py
@@ -40,6 +40,7 @@ class ChangeValueAPITestCase(TestBase):
         self.line = line_number('main.c', '// Stop here and set values')
         self.end_line = line_number ('main.c', '// Set a breakpoint here at the end')
 
+    @expectedFailureGcc # PR-15039: If GCC is the test compiler, stdout is not available via lldb.SBProcess.GetSTDOUT()
     def change_value_api(self, exe_name):
         """Exercise some SBValue APIs."""
         exe = os.path.join(os.getcwd(), exe_name)