Skip C++ API/Multithreaded tests that are unsupported with Clang/libstdc++

- older versions of clang are unable to include <chrono> from libstdc++
- skipping tests until buildbots are updated

llvm-svn: 181829

lldb/test/api/multithreaded/TestMultithreaded.py

@@ -20,12 +20,14 @@ class SBBreakpointCallbackCase(TestBase):
 
     @unittest2.expectedFailure # llvm.org/pr-1600: SBBreakpoint.SetCallback() does nothing
     @skipIfi386
+    @skipIfLinuxClang # buildbot clang version unable to use libstdc++ with c++11
     def test_breakpoint_callback(self):
         """Test the that SBBreakpoint callback is invoked when a breakpoint is hit. """
         self.build_and_test('driver.cpp test_breakpoint_callback.cpp',
                             'test_breakpoint_callback')
 
     @skipIfi386
+    @skipIfLinuxClang # buildbot clang version unable to use libstdc++ with c++11
     def test_sb_api_listener_event_description(self):
         """ Test the description of an SBListener breakpoint event is valid."""
         self.build_and_test('driver.cpp listener_test.cpp test_listener_event_description.cpp',
@@ -33,6 +35,7 @@ class SBBreakpointCallbackCase(TestBase):
         pass
 
     @skipIfi386
+    @skipIfLinuxClang # buildbot clang version unable to use libstdc++ with c++11
     def test_sb_api_listener_event_process_state(self):
         """ Test that a registered SBListener receives events when a process
             changes state.
@@ -43,6 +46,7 @@ class SBBreakpointCallbackCase(TestBase):
 
 
     @skipIfi386
+    @skipIfLinuxClang # buildbot clang version unable to use libstdc++ with c++11
     def test_sb_api_listener_resume(self):
         """ Test that a process can be resumed from a non-main thread. """
         self.build_and_test('driver.cpp listener_test.cpp test_listener_resume.cpp',

lldb/test/lldbtest.py

@@ -600,6 +600,24 @@ def skipOnLinux(func):
             func(*args, **kwargs)
     return wrapper
 
+def skipIfLinuxClang(func):
+    """Decorate the item to skip tests that should be skipped if building on 
+       Linux with clang.
+    """
+    if isinstance(func, type) and issubclass(func, unittest2.TestCase):
+        raise Exception("@skipIfLinuxClang can only be used to decorate a test method")
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        from unittest2 import case
+        self = args[0]
+        compiler = self.getCompiler()
+        platform = sys.platform
+        if "clang" in compiler and "linux" in platform:
+            self.skipTest("skipping because Clang is used on Linux")
+        else:
+            func(*args, **kwargs)
+    return wrapper
+
 def skipIfGcc(func):
     """Decorate the item to skip tests that should be skipped if building with gcc ."""
     if isinstance(func, type) and issubclass(func, unittest2.TestCase):