// -*- mode: c++; c-basic-offset:4 -*-

// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.

// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.

#include <cppunit/TextTestRunner.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/extensions/TestFactoryRegistry.h>

#include "parser.h"
#include "run_tests_cppunit.h"
#include "test_config.h"

using namespace CppUnit;
using namespace libdap;
using namespace std;

class parserUtilTest : public TestFixture {
private:
public:
    parserUtilTest() = default;
    ~parserUtilTest() = default;

    CPPUNIT_TEST_SUITE(parserUtilTest);

    CPPUNIT_TEST(check_byte_test);
    CPPUNIT_TEST(check_float32_test);
    CPPUNIT_TEST(check_float64_test);

    CPPUNIT_TEST_SUITE_END();

    // Tests for methods
    void check_byte_test() {
        CPPUNIT_ASSERT(check_byte("255"));
        CPPUNIT_ASSERT(!check_byte("256"));
        CPPUNIT_ASSERT(check_byte("0"));
        CPPUNIT_ASSERT(check_byte("-127"));
        CPPUNIT_ASSERT(check_byte("-128"));
        CPPUNIT_ASSERT(!check_byte("-129"));
        CPPUNIT_ASSERT(!check_byte("-32767"));
        CPPUNIT_ASSERT(!check_byte("32767"));
    }

    void check_float32_test() {
        CPPUNIT_ASSERT(check_float32("1.0"));
        CPPUNIT_ASSERT(check_float32("0.0"));
        CPPUNIT_ASSERT(check_float32("-0.0"));
        CPPUNIT_ASSERT(check_float32("+0.0"));
        CPPUNIT_ASSERT(check_float32(".0"));

        CPPUNIT_ASSERT(!check_float64("3.0.0"));
        CPPUNIT_ASSERT(!check_float64("3..0"));

        CPPUNIT_ASSERT(check_float32("3.402823466E+38"));
        CPPUNIT_ASSERT(check_float32("-3.402823466E+38"));
        CPPUNIT_ASSERT(check_float32("1.175494351E-38"));
        CPPUNIT_ASSERT(check_float32("-1.175494351E-38"));

        CPPUNIT_ASSERT(check_float32("NaN"));
        CPPUNIT_ASSERT(check_float32("nan"));
        CPPUNIT_ASSERT(check_float32("Nan"));

        CPPUNIT_ASSERT(!check_float32("3.502823466E+38"));
        CPPUNIT_ASSERT(!check_float32("-3.502823466E+38"));
        CPPUNIT_ASSERT(!check_float32("1.0E-38"));
        CPPUNIT_ASSERT(!check_float32("-1.0E-38"));

        CPPUNIT_ASSERT(!check_float32("1.7976931348623157E+308"));
        CPPUNIT_ASSERT(!check_float32("-1.7976931348623157E+308"));
        CPPUNIT_ASSERT(!check_float32("2.2250738585072014E-308"));
        CPPUNIT_ASSERT(!check_float32("-2.2250738585072014E-308"));
    }

    void check_float64_test() {
        CPPUNIT_ASSERT(check_float64("1.0"));
        CPPUNIT_ASSERT(check_float64("0.0"));
        CPPUNIT_ASSERT(check_float64("-0.0"));
        CPPUNIT_ASSERT(check_float64("+0.0"));
        CPPUNIT_ASSERT(check_float64(".0"));

        CPPUNIT_ASSERT(!check_float64("3.0.0"));
        CPPUNIT_ASSERT(!check_float64("3..0"));

        CPPUNIT_ASSERT(check_float64("3.402823466E+38"));
        CPPUNIT_ASSERT(check_float64("-3.402823466E+38"));
        CPPUNIT_ASSERT(check_float64("1.175494351E-38"));
        CPPUNIT_ASSERT(check_float64("-1.175494351E-38"));

        CPPUNIT_ASSERT(check_float64("1.7976931348623157E+308"));
        CPPUNIT_ASSERT(check_float64("-1.7976931348623157E+308"));
        CPPUNIT_ASSERT(check_float64("2.2250738585072014E-308"));
        CPPUNIT_ASSERT(check_float64("-2.2250738585072014E-308"));

        CPPUNIT_ASSERT(check_float64("NaN"));
        CPPUNIT_ASSERT(check_float64("nan"));
        CPPUNIT_ASSERT(check_float64("Nan"));

        CPPUNIT_ASSERT(!check_float64("255E400"));
        CPPUNIT_ASSERT(!check_float64("255E-400"));

        CPPUNIT_ASSERT(!check_float64("1.8E+308"));
        CPPUNIT_ASSERT(!check_float64("-1.8E+308"));
        CPPUNIT_ASSERT(!check_float64("2.0E-308"));
        CPPUNIT_ASSERT(!check_float64("-2.0E-308"));
    }
};

CPPUNIT_TEST_SUITE_REGISTRATION(parserUtilTest);

int main(int argc, char *argv[]) { return run_tests<parserUtilTest>(argc, argv) ? 0 : 1; }
