Vendor import of lldb trunk r256945:

https://llvm.org/svn/llvm-project/lldb/trunk@256945

1 files changed, 78 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/functionalities/avoids-fd-leak/TestFdLeak.py b/packages/Python/lldbsuite/test/functionalities/avoids-fd-leak/TestFdLeak.py
new file mode 100644
index 0000000..e4bc087
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/avoids-fd-leak/TestFdLeak.py
@@ -0,0 +1,78 @@
+"""
+Test whether a process started by lldb has no extra file descriptors open.
+"""
+
+from __future__ import print_function
+
+
+
+import os
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+
+def python_leaky_fd_version(test):
+    import sys
+    # Python random module leaks file descriptors on some versions.
+    return sys.version_info >= (2, 7, 8) and sys.version_info < (2, 7, 10)
+
+
+class AvoidsFdLeakTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @expectedFailure(python_leaky_fd_version, "bugs.freebsd.org/197376")
+    @expectedFailureFreeBSD("llvm.org/pr25624 still failing with Python 2.7.10")
+    @skipIfWindows # The check for descriptor leakage needs to be implemented differently here.
+    @skipIfTargetAndroid() # Android have some other file descriptors open by the shell
+    def test_fd_leak_basic (self):
+        self.do_test([])
+
+    @expectedFailure(python_leaky_fd_version, "bugs.freebsd.org/197376")
+    @expectedFailureFreeBSD("llvm.org/pr25624 still failing with Python 2.7.10")
+    @skipIfWindows # The check for descriptor leakage needs to be implemented differently here.
+    @skipIfTargetAndroid() # Android have some other file descriptors open by the shell
+    def test_fd_leak_log (self):
+        self.do_test(["log enable -f '/dev/null' lldb commands"])
+
+    def do_test (self, commands):
+        self.build()
+        exe = os.path.join (os.getcwd(), "a.out")
+
+        for c in commands:
+            self.runCmd(c)
+
+        target = self.dbg.CreateTarget(exe)
+
+        process = target.LaunchSimple (None, None, self.get_process_working_directory())
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        self.assertTrue(process.GetState() == lldb.eStateExited, "Process should have exited.")
+        self.assertTrue(process.GetExitStatus() == 0,
+                "Process returned non-zero status. Were incorrect file descriptors passed?")
+
+    @expectedFailure(python_leaky_fd_version, "bugs.freebsd.org/197376")
+    @expectedFailureFreeBSD("llvm.org/pr25624 still failing with Python 2.7.10")
+    @expectedFlakeyLinux
+    @skipIfWindows # The check for descriptor leakage needs to be implemented differently here.
+    @skipIfTargetAndroid() # Android have some other file descriptors open by the shell
+    def test_fd_leak_multitarget (self):
+        self.build()
+        exe = os.path.join (os.getcwd(), "a.out")
+
+        target = self.dbg.CreateTarget(exe)
+        breakpoint = target.BreakpointCreateBySourceRegex ('Set breakpoint here', lldb.SBFileSpec ("main.c", False))
+        self.assertTrue(breakpoint, VALID_BREAKPOINT)
+
+        process1 = target.LaunchSimple (None, None, self.get_process_working_directory())
+        self.assertTrue(process1, PROCESS_IS_VALID)
+        self.assertTrue(process1.GetState() == lldb.eStateStopped, "Process should have been stopped.")
+
+        target2 = self.dbg.CreateTarget(exe)
+        process2 = target2.LaunchSimple (None, None, self.get_process_working_directory())
+        self.assertTrue(process2, PROCESS_IS_VALID)
+
+        self.assertTrue(process2.GetState() == lldb.eStateExited, "Process should have exited.")
+        self.assertTrue(process2.GetExitStatus() == 0,
+                "Process returned non-zero status. Were incorrect file descriptors passed?")