From 61ef82ec2b2ca396667f92a4e5c6ceb729c42086 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Sun, 15 May 2016 17:11:27 +0300
Subject: Port to MinGW

---
 tests/pager/buildfile  |   7 ++++
 tests/pager/driver.cxx | 111 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 tests/pager/buildfile
 create mode 100644 tests/pager/driver.cxx

(limited to 'tests/pager')

diff --git a/tests/pager/buildfile b/tests/pager/buildfile
new file mode 100644
index 0000000..e42f3b0
--- /dev/null
+++ b/tests/pager/buildfile
@@ -0,0 +1,7 @@
+# file      : tests/pager/buildfile
+# copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+# license   : MIT; see accompanying LICENSE file
+
+exe{driver}: cxx{driver} ../../butl/lib{butl}
+
+include ../../butl/
diff --git a/tests/pager/driver.cxx b/tests/pager/driver.cxx
new file mode 100644
index 0000000..cab3078
--- /dev/null
+++ b/tests/pager/driver.cxx
@@ -0,0 +1,111 @@
+// file      : tests/pager/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <vector>
+#include <string>
+#include <utility>  // move()
+#include <cassert>
+#include <sstream>
+#include <iostream>
+
+#include <butl/pager>
+
+using namespace std;
+using namespace butl;
+
+int
+main (int argc, const char* argv[])
+{
+  bool child (false);
+  bool interactive (false);
+  string pgprog;
+  vector<string> pgopts;
+
+  assert (argc > 0);
+
+  int i (1);
+  for (; i != argc; ++i)
+  {
+    string v (argv[i]);
+    if (pgprog.empty ())
+    {
+      if (v == "-c")
+        child = true;
+      else if (v == "-i")
+        interactive = true;
+      else
+      {
+        pgprog = move (v);
+        interactive = true;
+      }
+    }
+    else
+      pgopts.emplace_back (move (v));
+  }
+
+  if (i != argc)
+  {
+    if (!child)
+      cerr << "usage: " << argv[0] << " [-c] [-i] [<pager> [<options>]]"
+           << endl;
+
+    return 1;
+  }
+
+  const char* s (R"delim(
+class fdstream_base
+{
+protected:
+  fdstream_base () = default;
+  fdstream_base (int fd): buf_ (fd) {}
+
+protected:
+  fdbuf buf_;
+};
+
+class ifdstream: fdstream_base, public std::istream
+{
+public:
+  ifdstream (): std::istream (&buf_) {}
+  ifdstream (int fd): fdstream_base (fd), std::istream (&buf_) {}
+
+  void close () {buf_.close ();}
+  void open (int fd) {buf_.open (fd);}
+  bool is_open () const {return buf_.is_open ();}
+};
+)delim");
+
+  if (child)
+  {
+    string il;
+    string ol;
+    istringstream is (s);
+    do
+    {
+      getline (cin, il);
+      getline (is, ol);
+    }
+    while (cin.good () && is.good () && il == ol);
+    return cin.eof () && !cin.bad () && is.eof () ? 0 : 1;
+  }
+
+  try
+  {
+    string prog (argv[0]);
+    vector<string> opts ({"-c"});
+
+    pager p ("pager test",
+             false,
+             interactive ? (pgprog.empty () ? nullptr : &pgprog) : &prog,
+             interactive ? (pgopts.empty () ? nullptr : &pgopts) : &opts);
+
+    p.stream () << s;
+
+    assert (p.wait ());
+  }
+  catch (const system_error&)
+  {
+    assert (false);
+  }
+}
-- 
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