1 files changed, 57 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/backtrace_all/TestBacktraceAll.py b/packages/Python/lldbsuite/test/functionalities/thread/backtrace_all/TestBacktraceAll.py
new file mode 100644
index 000000000000..91bc68577a43
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/thread/backtrace_all/TestBacktraceAll.py
@@ -0,0 +1,57 @@
+"""
+Test regression for Bug 25251.
+"""
+
+import os, time
+import unittest2
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+class BreakpointAfterJoinTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number for our breakpoint.
+        self.breakpoint = line_number('ParallelTask.cpp', '// Set breakpoint here')
+    
+    @skipIfTargetAndroid(archs=["arm"]) # The android-arm compiler can't compile the inferior
+                                        # because of an issue around std::future.
+                                        # TODO: Change the test to don't depend on std::future<T>
+    def test(self):
+        """Test breakpoint handling after a thread join."""
+        self.build(dictionary=self.getBuildFlags())
+
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # This should create a breakpoint
+        lldbutil.run_break_set_by_file_and_line (self, "ParallelTask.cpp", self.breakpoint, num_expected_locations=-1)
+
+        # The breakpoint list should show 1 location.
+        self.expect("breakpoint list -f", "Breakpoint location shown correctly",
+            substrs = ["1: file = 'ParallelTask.cpp', line = %d, exact_match = 0" % self.breakpoint])
+
+        # Run the program.
+        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 should not result in a segmentation fault
+        self.expect("thread backtrace all", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ["stop reason = breakpoint 1."])
+
+        # Run to completion
+        self.runCmd("continue")
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()