Fix a few testsuite bugs involving trailing null (or lack thereof) in strstream.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@157832 91177308-0d34-0410-b5e6-96231b3b80d8

test/depr/depr.str.strstreams/depr.ostrstream/depr.ostrstream.cons/cp_size_mode.pass.cpp

@@ -25,7 +25,7 @@ int main()
         int i = 321;
         double d = 5.5;
         std::string s("cat");
-        out << i << ' ' << d << ' ' << s;
+        out << i << ' ' << d << ' ' << s << std::ends;
         assert(out.str() == std::string("321 5.5 cat"));
     }
     {
@@ -35,7 +35,7 @@ int main()
         int i = 321;
         double d = 5.5;
         std::string s("cat");
-        out << i << ' ' << d << ' ' << s;
+        out << i << ' ' << d << ' ' << s << std::ends;
         assert(out.str() == std::string("123 4.5 dog321 5.5 cat"));
     }
 }

test/depr/depr.str.strstreams/depr.ostrstream/depr.ostrstream.cons/default.pass.cpp

@@ -22,6 +22,6 @@ int main()
     int i = 123;
     double d = 4.5;
     std::string s("dog");
-    out << i << ' ' << d << ' ' << s;
+    out << i << ' ' << d << ' ' << s << std::ends;
     assert(out.str() == std::string("123 4.5 dog"));
 }

test/depr/depr.str.strstreams/depr.ostrstream/depr.ostrstream.members/str.pass.cpp

@@ -20,7 +20,7 @@ int main()
 {
     {
         std::ostrstream out;
-        out << 123 << ' ' << 4.5 << ' ' << "dog";
+        out << 123 << ' ' << 4.5 << ' ' << "dog" << std::ends;
         assert(out.str() == std::string("123 4.5 dog"));
     }
 }

test/depr/depr.str.strstreams/depr.strstream/depr.strstream.cons/default.pass.cpp

@@ -22,7 +22,7 @@ int main()
     int i = 123;
     double d = 4.5;
     std::string s("dog");
-    inout << i << ' ' << d << ' ' << s;
+    inout << i << ' ' << d << ' ' << s << std::ends;
     assert(inout.str() == std::string("123 4.5 dog"));
     i = 0;
     d = 0;
@@ -30,5 +30,5 @@ int main()
     inout >> i >> d >> s;
     assert(i == 123);
     assert(d == 4.5);
-    assert(s == "dog");
+    assert(strcmp(s.c_str(), "dog") == 0);
 }

test/depr/depr.str.strstreams/depr.strstream/depr.strstream.oper/str.pass.cpp

@@ -20,7 +20,7 @@ int main()
 {
     {
         std::strstream out;
-        out << 123 << ' ' << 4.5 << ' ' << "dog";
+        out << 123 << ' ' << 4.5 << ' ' << "dog" << std::ends;
         assert(out.str() == std::string("123 4.5 dog"));
     }
 }