Fix warnings in test/std/algorithms

llvm-svn: 242626

libcxx/test/libcxx/test/config.py

@@ -570,8 +570,11 @@ class Configuration(object):
     def configure_warnings(self):
         enable_warnings = self.get_lit_bool('enable_warnings', False)
         if enable_warnings:
-            self.cxx.compile_flags += ['-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER',
+            self.cxx.compile_flags += [
-                '-Wall', '-Werror']
+                '-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER',
+                '-Wall', '-Werror'
+            ]
+            self.cxx.addCompileFlagIfSupported('-Wno-c++11-extensions')
             self.cxx.addCompileFlagIfSupported('-Wno-user-defined-literals')
 
     def configure_sanitizer(self):

libcxx/test/std/algorithms/alg.modifying.operations/alg.partitions/stable_partition.pass.cpp

@@ -17,10 +17,9 @@
 
 #include <algorithm>
 #include <cassert>
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 #include <memory>
-#endif
 
+#include "test_macros.h"
 #include "test_iterators.h"
 
 struct is_odd
@@ -283,7 +282,7 @@ test()
     }
 }
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#if TEST_STD_VER >= 11
 
 struct is_null
 {
@@ -298,9 +297,10 @@ test1()
     const unsigned size = 5;
     std::unique_ptr<int> array[size];
     Iter r = std::stable_partition(Iter(array), Iter(array+size), is_null());
+    assert(r == Iter(array+size));
 }
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // TEST_STD_VER >= 11
 
 int main()
 {
@@ -308,7 +308,7 @@ int main()
     test<random_access_iterator<std::pair<int,int>*> >();
     test<std::pair<int,int>*>();
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#if TEST_STD_VER >= 11
     test1<bidirectional_iterator<std::unique_ptr<int>*> >();
 #endif
 }

libcxx/test/std/algorithms/alg.nonmodifying/mismatch/mismatch.pass.cpp

@@ -17,18 +17,16 @@
 #include <algorithm>
 #include <cassert>
 
+#include "test_macros.h"
 #include "test_iterators.h"
 
-#if _LIBCPP_STD_VER > 11
-#define HAS_FOUR_ITERATOR_VERSION
-#endif
 
 int main()
 {
     int ia[] = {0, 1, 2, 2, 0, 1, 2, 3};
     const unsigned sa = sizeof(ia)/sizeof(ia[0]);
     int ib[] = {0, 1, 2, 3, 0, 1, 2, 3};
-    const unsigned sb = sizeof(ib)/sizeof(ib[0]);
+    const unsigned sb = sizeof(ib)/sizeof(ib[0]); ((void)sb); // unused in c++11
 
     typedef input_iterator<const int*> II;
     typedef random_access_iterator<const int*>  RAI;
@@ -39,7 +37,7 @@ int main()
     assert(std::mismatch(RAI(ia), RAI(ia + sa), RAI(ib))
             == (std::pair<RAI, RAI>(RAI(ia+3), RAI(ib+3))));
 
-#ifdef HAS_FOUR_ITERATOR_VERSION
+#if TEST_STD_VER > 11 // We have the four iteration version
     assert(std::mismatch(II(ia), II(ia + sa), II(ib), II(ib+sb))
             == (std::pair<II, II>(II(ia+3), II(ib+3))));
 

libcxx/test/std/algorithms/alg.nonmodifying/mismatch/mismatch_pred.pass.cpp

@@ -19,10 +19,11 @@
 #include <functional>
 #include <cassert>
 
+#include "test_macros.h"
 #include "test_iterators.h"
 #include "counting_predicates.hpp"
 
-#if _LIBCPP_STD_VER > 11
+#if TEST_STD_VER > 11
 #define HAS_FOUR_ITERATOR_VERSION
 #endif
 
@@ -31,7 +32,7 @@ int main()
     int ia[] = {0, 1, 2, 2, 0, 1, 2, 3};
     const unsigned sa = sizeof(ia)/sizeof(ia[0]);
     int ib[] = {0, 1, 2, 3, 0, 1, 2, 3};
-    const unsigned sb = sizeof(ib)/sizeof(ib[0]);
+    const unsigned sb = sizeof(ib)/sizeof(ib[0]); ((void)sb); // unused in c++11
     
     typedef input_iterator<const int*> II;
     typedef random_access_iterator<const int*>  RAI;

libcxx/test/std/algorithms/alg.sorting/alg.set.operations/includes/includes.pass.cpp

@@ -29,9 +29,9 @@ test()
     int ib[] = {2, 4};
     const unsigned sb = sizeof(ib)/sizeof(ib[0]);
     int ic[] = {1, 2};
-    const unsigned sc = sizeof(ic)/sizeof(ic[0]);
+    const unsigned sc = sizeof(ic)/sizeof(ic[0]); ((void)sc);
     int id[] = {3, 3, 3, 3};
-    const unsigned sd = sizeof(id)/sizeof(id[0]);
+    const unsigned sd = sizeof(id)/sizeof(id[0]); ((void)sd);
 
     assert(std::includes(Iter1(ia), Iter1(ia), Iter2(ib), Iter2(ib)));
     assert(!std::includes(Iter1(ia), Iter1(ia), Iter2(ib), Iter2(ib+1)));

libcxx/test/std/algorithms/alg.sorting/alg.set.operations/includes/includes_comp.pass.cpp

@@ -30,9 +30,9 @@ test()
     int ib[] = {2, 4};
     const unsigned sb = sizeof(ib)/sizeof(ib[0]);
     int ic[] = {1, 2};
-    const unsigned sc = sizeof(ic)/sizeof(ic[0]);
+    const unsigned sc = sizeof(ic)/sizeof(ic[0]); ((void)sc);
     int id[] = {3, 3, 3, 3};
-    const unsigned sd = sizeof(id)/sizeof(id[0]);
+    const unsigned sd = sizeof(id)/sizeof(id[0]); ((void)sd);
 
     assert(std::includes(Iter1(ia), Iter1(ia), Iter2(ib), Iter2(ib), std::less<int>()));
     assert(!std::includes(Iter1(ia), Iter1(ia), Iter2(ib), Iter2(ib+1), std::less<int>()));