From d75303581f0cb932024e4e4cda34cab3209927b0 Mon Sep 17 00:00:00 2001
From: Enrico Granata <egranata@apple.com>
Date: Wed, 23 Jul 2014 18:18:38 +0000
Subject: [PATCH] Ensure that if some unspecified person were to pass in an
 invalid architecture when trying to create a target, that it would fail, but
 not cause LLDB to crash.

llvm-svn: 213781
---
 lldb/test/functionalities/nosucharch/Makefile      |  5 +++
 .../functionalities/nosucharch/TestNoSuchArch.py   | 48 ++++++++++++++++++++++
 lldb/test/functionalities/nosucharch/main.cpp      |  3 ++
 3 files changed, 56 insertions(+)
 create mode 100644 lldb/test/functionalities/nosucharch/Makefile
 create mode 100644 lldb/test/functionalities/nosucharch/TestNoSuchArch.py
 create mode 100644 lldb/test/functionalities/nosucharch/main.cpp

diff --git a/lldb/test/functionalities/nosucharch/Makefile b/lldb/test/functionalities/nosucharch/Makefile
new file mode 100644
index 0000000..8a7102e
--- /dev/null
+++ b/lldb/test/functionalities/nosucharch/Makefile
@@ -0,0 +1,5 @@
+LEVEL = ../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
diff --git a/lldb/test/functionalities/nosucharch/TestNoSuchArch.py b/lldb/test/functionalities/nosucharch/TestNoSuchArch.py
new file mode 100644
index 0000000..bba3ab6
--- /dev/null
+++ b/lldb/test/functionalities/nosucharch/TestNoSuchArch.py
@@ -0,0 +1,48 @@
+"""
+Test that using a non-existent architecture name does not crash LLDB.
+"""
+import lldb
+import unittest2
+from lldbtest import *
+import lldbutil
+
+class NoSuchArchTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+        
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    @dsym_test
+    def test_with_dsym (self):
+        self.buildDsym()
+        self.do_test ()
+
+
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    @dwarf_test
+    def test_with_dwarf (self):
+        self.buildDwarf()
+        self.do_test ()
+
+    def do_test (self):
+        exe = os.path.join (os.getcwd(), "a.out")
+        
+        # Check that passing an invalid arch via the command-line fails but doesn't crash
+        self.expect("target crete --arch nothingtoseehere %s" % (exe), error=True)
+        
+        
+        # Check that passing an invalid arch via the SB API fails but doesn't crash
+        target = self.dbg.CreateTargetWithFileAndArch(exe,"nothingtoseehere")
+        
+        self.assertFalse(target.IsValid(), "This target should not be valid")
+        
+        # Now just create the target with the default arch and check it's fine
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target.IsValid(), "This target should now be valid")
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()
+
diff --git a/lldb/test/functionalities/nosucharch/main.cpp b/lldb/test/functionalities/nosucharch/main.cpp
new file mode 100644
index 0000000..4cce7f6
--- /dev/null
+++ b/lldb/test/functionalities/nosucharch/main.cpp
@@ -0,0 +1,3 @@
+int main() {
+  return 0;
+}
-- 
2.7.4