Protect std::ios tests under libcpp-no-exceptions

Skip tests that expect an exception be thrown. Also add
some missing asserts in the original test.

Differential Revision: https://reviews.llvm.org/D26512



git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@286823 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/input.output/iostreams.base/ios/basic.ios.members/copyfmt.pass.cpp

@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: libcpp-no-exceptions
 // REQUIRES: locale.en_US.UTF-8
 // REQUIRES: locale.fr_FR.UTF-8
 
@@ -23,6 +22,8 @@
 
 #include "platform_support.h" // locale name macros
 
+#include "test_macros.h"
+
 struct testbuf
     : public std::streambuf
 {
@@ -158,6 +159,7 @@ int main()
     ios1.copyfmt(ios1);
     assert(!f1_called);
 
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         ios1.copyfmt(ios2);
@@ -166,6 +168,9 @@ int main()
     catch (std::ios_base::failure&)
     {
     }
+#else
+    ios1.copyfmt(ios2);
+#endif
     assert(ios1.rdstate() == std::ios::eofbit);
     assert(ios1.rdbuf() == &sb1);
     assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase));

test/std/input.output/iostreams.base/ios/basic.ios.members/set_rdbuf.pass.cpp

@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: libcpp-no-exceptions
 // <ios>
 
 // template <class charT, class traits> class basic_ios
@@ -18,6 +17,8 @@
 #include <streambuf>
 #include <cassert>
 
+#include "test_macros.h"
+
 struct testbuf
     : public std::streambuf
 {
@@ -35,16 +36,20 @@ int main()
     testbuf sb1;
     testbuf sb2;
     testios ios(&sb1);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         ios.setstate(std::ios::badbit);
         ios.exceptions(std::ios::badbit);
+        assert(false);
     }
     catch (...)
     {
     }
+#endif
     ios.set_rdbuf(&sb2);
     assert(ios.rdbuf() == &sb2);
+#ifndef TEST_HAS_NO_EXCEPTIONS
     try
     {
         ios.setstate(std::ios::badbit);
@@ -53,6 +58,7 @@ int main()
     catch (...)
     {
     }
+#endif
     ios.set_rdbuf(0);
     assert(ios.rdbuf() == 0);
 }

test/std/input.output/iostreams.base/ios/iostate.flags/clear.pass.cpp

@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: libcpp-no-exceptions
 // <ios>
 
 // template <class charT, class traits> class basic_ios
@@ -18,6 +17,8 @@
 #include <streambuf>
 #include <cassert>
 
+#include "test_macros.h"
+
 struct testbuf : public std::streambuf {};
 
 int main()
@@ -26,9 +27,11 @@ int main()
         std::ios ios(0);
         ios.clear();
         assert(ios.rdstate() == std::ios::badbit);
+#ifndef TEST_HAS_NO_EXCEPTIONS
         try
         {
             ios.exceptions(std::ios::badbit);
+            assert(false);
         }
         catch (...)
         {
@@ -51,6 +54,7 @@ int main()
         {
             assert(ios.rdstate() == (std::ios::eofbit | std::ios::badbit));
         }
+#endif
     }
     {
         testbuf sb;

test/std/input.output/iostreams.base/ios/iostate.flags/exceptions_iostate.pass.cpp

@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: libcpp-no-exceptions
 // <ios>
 
 // template <class charT, class traits> class basic_ios
@@ -18,6 +17,8 @@
 #include <streambuf>
 #include <cassert>
 
+#include "test_macros.h"
+
 struct testbuf : public std::streambuf {};
 
 int main()
@@ -27,6 +28,7 @@ int main()
         assert(ios.exceptions() == std::ios::goodbit);
         ios.exceptions(std::ios::eofbit);
         assert(ios.exceptions() == std::ios::eofbit);
+#ifndef TEST_HAS_NO_EXCEPTIONS
         try
         {
             ios.exceptions(std::ios::badbit);
@@ -36,6 +38,7 @@ int main()
         {
         }
         assert(ios.exceptions() == std::ios::badbit);
+#endif
     }
     {
         testbuf sb;

test/std/input.output/iostreams.base/ios/iostate.flags/setstate.pass.cpp

@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// XFAIL: libcpp-no-exceptions
 // <ios>
 
 // template <class charT, class traits> class basic_ios
@@ -18,6 +17,8 @@
 #include <streambuf>
 #include <cassert>
 
+#include "test_macros.h"
+
 struct testbuf : public std::streambuf {};
 
 int main()
@@ -26,9 +27,11 @@ int main()
         std::ios ios(0);
         ios.setstate(std::ios::goodbit);
         assert(ios.rdstate() == std::ios::badbit);
+#ifndef TEST_HAS_NO_EXCEPTIONS
         try
         {
             ios.exceptions(std::ios::badbit);
+            assert(false);
         }
         catch (...)
         {
@@ -51,6 +54,7 @@ int main()
         {
             assert(ios.rdstate() == (std::ios::eofbit | std::ios::badbit));
         }
+#endif
     }
     {
         testbuf sb;