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ce8f56727e
* Better include path support in the VSProject scons tool. * Various manual fixes to include paths.
143 lines
3.4 KiB
C++
143 lines
3.4 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2014, Nikolaos D. Bougalis <nikb@bougalis.net>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <beast/utility/Zero.h>
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#include <beast/unit_test/suite.h>
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namespace beast {
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struct adl_tester {};
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int signum (adl_tester)
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{
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return 0;
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}
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namespace detail {
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struct adl_tester2 {};
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int signum (adl_tester2)
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{
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return 0;
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}
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} // detail
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class Zero_test : public beast::unit_test::suite
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{
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private:
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struct IntegerWrapper
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{
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int value;
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IntegerWrapper (int v)
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: value (v)
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{
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}
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int signum() const
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{
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return value;
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}
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};
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public:
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void expect_same(bool result, bool correct, char const* message)
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{
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expect(result == correct, message);
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}
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void
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test_lhs_zero (IntegerWrapper x)
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{
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expect_same (x >= zero, x.signum () >= 0,
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"lhs greater-than-or-equal-to");
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expect_same (x > zero, x.signum () > 0,
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"lhs greater than");
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expect_same (x == zero, x.signum () == 0,
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"lhs equal to");
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expect_same (x != zero, x.signum () != 0,
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"lhs not equal to");
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expect_same (x < zero, x.signum () < 0,
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"lhs less than");
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expect_same (x <= zero, x.signum () <= 0,
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"lhs less-than-or-equal-to");
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}
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void
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test_lhs_zero ()
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{
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testcase ("lhs zero");
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test_lhs_zero(-7);
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test_lhs_zero(0);
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test_lhs_zero(32);
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}
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void
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test_rhs_zero (IntegerWrapper x)
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{
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expect_same (zero >= x, 0 >= x.signum (),
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"rhs greater-than-or-equal-to");
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expect_same (zero > x, 0 > x.signum (),
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"rhs greater than");
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expect_same (zero == x, 0 == x.signum (),
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"rhs equal to");
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expect_same (zero != x, 0 != x.signum (),
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"rhs not equal to");
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expect_same (zero < x, 0 < x.signum (),
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"rhs less than");
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expect_same (zero <= x, 0 <= x.signum (),
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"rhs less-than-or-equal-to");
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}
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void
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test_rhs_zero ()
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{
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testcase ("rhs zero");
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test_rhs_zero(-4);
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test_rhs_zero(0);
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test_rhs_zero(64);
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}
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void
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test_adl ()
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{
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expect (adl_tester{} == zero, "ADL failure!");
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expect (detail::adl_tester2{} == zero, "ADL failure!");
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}
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void
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run()
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{
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test_lhs_zero ();
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test_rhs_zero ();
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test_adl ();
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}
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};
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BEAST_DEFINE_TESTSUITE(Zero, types, beast);
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}
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