Add more fuzzing bits: partial_sort_copy, partition_copy, unique, unique_copy. No functional change to libc++; this is all test infastructure

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@316951 91177308-0d34-0410-b5e6-96231b3b80d8

test/libcxx/fuzzing/partition_copy.cpp

@@ -0,0 +1,38 @@
+// -*- C++ -*-
+//===------------------------ partition_copy.cpp --------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// XFAIL
+
+#include "fuzzing.h"
+#include <cassert>
+#include <cstring> // for strlen
+
+const char * test_cases[] = {
+	"",
+	"s",
+	"bac",
+	"bacasf"
+	"lkajseravea",
+	"adsfkajdsfjkas;lnc441324513,34535r34525234"
+	};
+
+const size_t k_num_tests = sizeof(test_cases)/sizeof(test_cases[0]);
+
+
+int main ()
+{
+	for (size_t i = 0; i < k_num_tests; ++i)
+		{
+		const size_t   size = std::strlen(test_cases[i]);
+		const uint8_t *data = (const uint8_t *) test_cases[i];
+		assert(0 == fuzzing::partition_copy(data, size));
+		}
+	return 0;
+}