libcxx initial import

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
3893 changed files with 1209942 additions and 0 deletions
--- a/test/input.output/iostream.format/input.streams/istream.unformatted/get_streambuf.pass.cpp
+++ b/test/input.output/iostream.format/input.streams/istream.unformatted/get_streambuf.pass.cpp
@@ -0,0 +1,88 @@
+//===----------------------------------------------------------------------===//
+//
+// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <istream>
+
+// basic_istream<charT,traits>& get(basic_streambuf<char_type,traits>& sb); 
+
+#include <istream>
+#include <cassert>
+
+template <class CharT>
+class testbuf
+    : public std::basic_streambuf<CharT>
+{
+    typedef std::basic_streambuf<CharT> base;
+    std::basic_string<CharT> str_;
+public:
+    testbuf()
+    {
+    }
+    testbuf(const std::basic_string<CharT>& str)
+        : str_(str)
+    {
+        base::setg(const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data()),
+                   const_cast<CharT*>(str_.data() + str_.size()));
+    }
+
+    std::basic_string<CharT> str() const
+        {return std::basic_string<CharT>(base::pbase(), base::pptr());}
+
+protected:
+
+    virtual typename base::int_type
+        overflow(typename base::int_type __c = base::traits_type::eof())
+        {
+            if (__c != base::traits_type::eof())
+            {
+                int n = str_.size();
+                str_.push_back(__c);
+                str_.resize(str_.capacity());
+                base::setp(const_cast<CharT*>(str_.data()),
+                           const_cast<CharT*>(str_.data() + str_.size()));
+                base::pbump(n+1);
+            }
+            return __c;
+        }
+};
+
+int main()
+{
+    {
+        testbuf<char> sb("testing\n...");
+        std::istream is(&sb);
+        testbuf<char> sb2;
+        is.get(sb2);
+        assert(sb2.str() == "testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == '\n');
+        is.get(sb2);
+        assert(sb2.str() == "testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+    {
+        testbuf<wchar_t> sb(L"testing\n...");
+        std::wistream is(&sb);
+        testbuf<wchar_t> sb2;
+        is.get(sb2);
+        assert(sb2.str() == L"testing");
+        assert(is.good());
+        assert(is.gcount() == 7);
+        assert(is.get() == L'\n');
+        is.get(sb2);
+        assert(sb2.str() == L"testing...");
+        assert(is.eof());
+        assert(!is.fail());
+        assert(is.gcount() == 3);
+    }
+}