Added io test

1 files changed, 71 insertions, 0 deletions

diff --git a/test/io.cpp b/test/io.cpp
new file mode 100644
index 000000000..aa14e76e9
--- /dev/null
+++ b/test/io.cpp
@@ -0,0 +1,71 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2019 Joel Holdsworth <joel.holdsworth@vcatechnology.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <sstream>
+
+#include "main.h"
+
+template<typename Scalar>
+struct check_ostream_impl
+{
+  static void run()
+  {
+    const Array<Scalar,1,1> array(123);
+    std::ostringstream ss;
+    ss << array;
+    VERIFY(ss.str() == "123");
+
+    check_ostream_impl< std::complex<Scalar> >::run();
+  };
+};
+
+template<>
+struct check_ostream_impl<bool>
+{
+  static void run()
+  {
+    const Array<bool,1,2> array(1, 0);
+    std::ostringstream ss;
+    ss << array;
+    VERIFY(ss.str() == "1  0");
+  };
+};
+
+template<typename Scalar>
+struct check_ostream_impl< std::complex<Scalar> >
+{
+  static void run()
+  {
+    const Array<std::complex<Scalar>,1,1> array(std::complex<Scalar>(12, 34));
+    std::ostringstream ss;
+    ss << array;
+    VERIFY(ss.str() == "(12,34)");
+  };
+};
+
+template<typename Scalar>
+static void check_ostream()
+{
+  check_ostream_impl<Scalar>::run();
+}
+
+EIGEN_DECLARE_TEST(rand)
+{
+  CALL_SUBTEST(check_ostream<bool>());
+  CALL_SUBTEST(check_ostream<float>());
+  CALL_SUBTEST(check_ostream<double>());
+  CALL_SUBTEST(check_ostream<Eigen::numext::int8_t>());
+  CALL_SUBTEST(check_ostream<Eigen::numext::uint8_t>());
+  CALL_SUBTEST(check_ostream<Eigen::numext::int16_t>());
+  CALL_SUBTEST(check_ostream<Eigen::numext::uint16_t>());
+  CALL_SUBTEST(check_ostream<Eigen::numext::int32_t>());
+  CALL_SUBTEST(check_ostream<Eigen::numext::uint32_t>());
+  CALL_SUBTEST(check_ostream<Eigen::numext::int64_t>());
+  CALL_SUBTEST(check_ostream<Eigen::numext::uint64_t>());
+}