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diff --git a/atf-c++/detail/test_helpers.hpp b/atf-c++/detail/test_helpers.hpp
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+//
+// Automated Testing Framework (atf)
+//
+// Copyright (c) 2009 The NetBSD Foundation, Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#if defined(TESTS_ATF_ATF_CXX_TEST_HELPERS_H)
+#   error "Cannot include test_helpers.hpp more than once."
+#else
+#   define TESTS_ATF_ATF_CXX_TEST_HELPERS_H
+#endif
+
+#include <cstdlib>
+#include <iostream>
+#include <sstream>
+#include <utility>
+
+#include "../macros.hpp"
+#include "../tests.hpp"
+#include "parser.hpp"
+#include "process.hpp"
+#include "text.hpp"
+
+#define HEADER_TC(name, hdrname) \
+    ATF_TEST_CASE(name); \
+    ATF_TEST_CASE_HEAD(name) \
+    { \
+        set_md_var("descr", "Tests that the " hdrname " file can be " \
+            "included on its own, without any prerequisites"); \
+    } \
+    ATF_TEST_CASE_BODY(name) \
+    { \
+        header_check(hdrname); \
+    }
+
+#define BUILD_TC(name, sfile, descr, failmsg) \
+    ATF_TEST_CASE(name); \
+    ATF_TEST_CASE_HEAD(name) \
+    { \
+        set_md_var("descr", descr); \
+    } \
+    ATF_TEST_CASE_BODY(name) \
+    { \
+        build_check_cxx_o(*this, sfile, failmsg, true);      \
+    }
+
+#define BUILD_TC_FAIL(name, sfile, descr, failmsg) \
+    ATF_TEST_CASE(name); \
+    ATF_TEST_CASE_HEAD(name) \
+    { \
+        set_md_var("descr", descr); \
+    } \
+    ATF_TEST_CASE_BODY(name) \
+    { \
+        build_check_cxx_o(*this, sfile, failmsg, false);      \
+    }
+
+namespace atf {
+namespace tests {
+class tc;
+}
+}
+
+void header_check(const char*);
+void build_check_cxx_o(const atf::tests::tc&, const char*, const char*, bool);
+atf::fs::path get_process_helpers_path(const atf::tests::tc&);
+bool grep_file(const char*, const char*);
+bool grep_string(const std::string&, const char*);
+
+struct run_h_tc_data {
+    const atf::tests::vars_map& m_config;
+
+    run_h_tc_data(const atf::tests::vars_map& config) :
+        m_config(config) {}
+};
+
+template< class TestCase >
+void
+run_h_tc_child(void* v)
+{
+    run_h_tc_data* data = static_cast< run_h_tc_data* >(v);
+
+    TestCase tc;
+    tc.init(data->m_config);
+    tc.run("result");
+    std::exit(EXIT_SUCCESS);
+}
+
+template< class TestCase >
+void
+run_h_tc(atf::tests::vars_map config = atf::tests::vars_map())
+{
+    run_h_tc_data data(config);
+    atf::process::child c = atf::process::fork(
+        run_h_tc_child< TestCase >,
+        atf::process::stream_redirect_path(atf::fs::path("stdout")),
+        atf::process::stream_redirect_path(atf::fs::path("stderr")),
+        &data);
+    const atf::process::status s = c.wait();
+    ATF_REQUIRE(s.exited());
+}
+
+namespace test_helpers_detail {
+
+typedef std::vector< std::string > string_vector;
+
+template< class Reader >
+std::pair< string_vector, string_vector >
+do_read(const char* input)
+{
+    string_vector errors;
+
+    std::istringstream is(input);
+    Reader reader(is);
+    try {
+        reader.read();
+    } catch (const atf::parser::parse_errors& pes) {
+        for (std::vector< atf::parser::parse_error >::const_iterator iter =
+             pes.begin(); iter != pes.end(); iter++)
+            errors.push_back(*iter);
+    } catch (const atf::parser::parse_error& pe) {
+        ATF_FAIL("Raised a lonely parse error: " +
+                 atf::text::to_string(pe.first) + ": " + pe.second);
+    }
+
+    return std::make_pair(reader.m_calls, errors);
+}
+
+void check_equal(const char*[], const string_vector&);
+
+} // namespace test_helpers_detail
+
+template< class Reader >
+void
+do_parser_test(const char* input, const char* exp_calls[],
+               const char* exp_errors[])
+{
+    const std::pair< test_helpers_detail::string_vector,
+                     test_helpers_detail::string_vector >
+        actual = test_helpers_detail::do_read< Reader >(input);
+    test_helpers_detail::check_equal(exp_calls, actual.first);
+    test_helpers_detail::check_equal(exp_errors, actual.second);
+}