Add Installability CI test.

1 files changed, 60 insertions, 0 deletions

diff --git a/test-packaging/example.cpp b/test-packaging/example.cpp
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+/* Examples of LLFIO use
+(C) 2018 Niall Douglas <http://www.nedproductions.biz/> (2 commits)
+File Created: Aug 2018
+
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License in the accompanying file
+Licence.txt or at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+
+Distributed under the Boost Software License, Version 1.0.
+    (See accompanying file Licence.txt or copy at
+          http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+#include <llfio.hpp>
+
+#include <vector>
+
+int main()
+{
+  //! [file_entire_file1]
+  namespace llfio = LLFIO_V2_NAMESPACE;
+
+  // Open the file for read
+  llfio::file_handle fh = llfio::file(  //
+    {},       // path_handle to base directory
+    "foo"     // path_view to path fragment relative to base directory
+              // default mode is read only
+              // default creation is open existing
+              // default caching is all
+              // default flags is none
+  ).value();  // If failed, throw a filesystem_error exception
+
+  // Make a vector sized the current maximum extent of the file
+  std::vector<llfio::byte> buffer(fh.maximum_extent().value());
+
+  // Synchronous scatter read from file
+  llfio::file_handle::size_type bytesread = llfio::read(
+    fh,                                 // handle to read from
+    0,                                  // offset
+    {{ buffer.data(), buffer.size() }}  // Single scatter buffer of the vector 
+                                        // default deadline is infinite
+  ).value();                            // If failed, throw a filesystem_error exception
+
+  // In case of racy truncation of file by third party to new length, adjust buffer to
+  // bytes actually read
+  buffer.resize(bytesread);
+  //! [file_entire_file1]
+  return 0;
+}