mirror of https://github.com/KLayout/klayout.git
98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2025 Matthias Koefferlein
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "tlOptional.h"
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#include "tlUnitTest.h"
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namespace
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{
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TEST(1_Basic)
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{
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tl::optional<int> opt;
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// value not set
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EXPECT_EQ (opt.has_value (), false);
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EXPECT_EQ (opt.operator-> (), (int *) 0);
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EXPECT_EQ (((const tl::optional<int> &) opt).operator-> (), (const int *) 0);
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EXPECT_EQ (tl::to_string (opt), "");
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try {
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opt.value (); // asserts
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EXPECT_EQ (true, false);
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} catch (...) {
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}
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// make_optional, assignment
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opt = tl::make_optional (17);
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// value set
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EXPECT_EQ (opt.has_value (), true);
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EXPECT_EQ (opt.value (), 17);
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EXPECT_EQ (tl::to_string (opt), "17");
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EXPECT_EQ (((const tl::optional<int> &) opt).value (), 17);
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EXPECT_EQ (*opt, 17);
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EXPECT_EQ (*((const tl::optional<int> &) opt), 17);
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EXPECT_EQ (*(opt.operator-> ()), 17);
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EXPECT_EQ (*(((const tl::optional<int> &) opt).operator-> ()), 17);
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// compare operators
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EXPECT_EQ (opt == tl::make_optional (-1), false);
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EXPECT_EQ (opt == tl::make_optional (17), true);
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EXPECT_EQ (opt == tl::optional<int> (), false);
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EXPECT_EQ (opt != tl::make_optional (-1), true);
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EXPECT_EQ (opt != tl::make_optional (17), false);
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EXPECT_EQ (opt != tl::optional<int> (), true);
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// copy ctor
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tl::optional<int> opt2 (opt);
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EXPECT_EQ (opt2.has_value (), true);
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EXPECT_EQ (opt2.value (), 17);
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// reset method
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opt = tl::make_optional (17);
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opt.reset ();
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EXPECT_EQ (opt.has_value (), false);
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EXPECT_EQ (opt == tl::optional<int> (), true);
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EXPECT_EQ (opt != tl::optional<int> (), false);
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// tl::nullopt tag
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opt = tl::make_optional (17);
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opt = tl::optional<int> (tl::nullopt);
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EXPECT_EQ (opt.has_value (), false);
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EXPECT_EQ (opt == tl::optional<int> (), true);
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EXPECT_EQ (opt != tl::optional<int> (), false);
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}
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}
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